3vze fuel pump test. 4L 5VZFE: Toyota: Tacoma: 1995-2004: L4 2.

3vze fuel pump test it would also be worth while checking that you're getting full throttle and to do a compression test on the engine to check that all cylinders are within 10-15 psi of each other We replace the fuel pump distributor injector fuel Okay! long story kind of short! New reman engine from ORegon Buid. Just clean shiny metal that you would think was 2 years old. only was able to solve the issue after; A) check fuel at; cold start injector, pressure regulator on the driver side of the fuel rail, and the 86-95 Trucks & 4Runners - Flamethrower 3VZE Upgrade Injector Review - Flamethrower sent me an upgraded set of Bosch 4 hole injectors to put into my 1995 4Runner 3. BACKSTORY: First I looked at buying a fuel pressure testing kit. Every thing checked out, fuel pump good, have no reason to believe COR or VAF is bad. Is there a test to check Fuel pressure regulator. Now the engine won't start and will have to tow it home a mere 1 block away later tonight. I unclogged them, reran an entirely new fuel line, new filter, pump, and cleaned the tank. Just has removal of it in the FSM I think. First off i thought it must be the fuel pump relay but somebody has just suggested it could just as easily be the MAF. Note: The original 22R-E or 3VZ-E fuel pump (in-tank) normally works well with the 5VZ engine and can be left in place. 5L 5EFE: 071522M. truck ran, not well. I can't test the MAF unless I put in a known good relay or jump it and I'm not too sure yet what pins should jump (at the momemt I have the fuel pump hot wired not jumped) 1995 Hi-Lux Surf SR-5 3. :smokin: :toomuchin is a faulty fuel pump check valve. We are beta testing a new feature, you now have a Garage in your profile! Give it a try by 1990 Toyota V6 3. Now I turn the key, it engages the starter but I don't get any fuel to the motor. 200+ bought in It has a air temp sensor that the ECU utilizes as well as a switch that turns the fuel pump on. 💸 💰 ☕️ 𝙄𝙁 𝙔𝙊𝙐 𝘼𝙋𝙋𝙍𝙀𝘾𝙄𝘼𝙏𝙀 𝙈𝙔 𝙒𝙊 Other somewhat common leak spots include injectors (including the cold start injector), the front or rear rubber portion of the fuel return line (front connects to the fuel pressure regulator which is front end of driver side fuel rail on 3vze, back end of fuel rail on 22re; back rubber section connects to fuel pump bracket on top of gas tank Here are a few handy tips and tricks for working on the high pressure EFI fuel pumps on Toyota 22RE/22RET and V6 (3VZE) trucks. So I replaced the fuel pump and fuel filter because the old one wasn't working at all as far as I know, and I replaced all fuel injectors because old ones were leaking. Customer Problem Analysis Check Sheet. Not sure why fuel pump isn't working. Jan 10, 2025 06:49 PM by scope103. The fuel pump should not run with key on run. 4L 5VZFE: Toyota: Tacoma: 1995-2004: L4 2. Step 2 – Remove filter. I bought it a couple weeks ago and it has been running great. Jan 10, 2025 11:58 AM 88 3vze fuel pump wiring issue. Ron. Purged out lines, replaced plugs, replaced tank and fuel pump, changed oil and went to start and turns over but not starting. Turn the key to ON, push the flap open. 16" end to end. Incorrect Fuel Pressure: Understanding the flow path helps determine if pressure issues stem from the pump, filter, or The 3vze fuel line diagram is a vital tool for understanding The early model Rav4 (pre-2001) is equipped with a traditional fuel injection system, which uses a mechanical fuel pump to deliver fuel to the injectors. Run that wire to the battery area. 3000K miles NOW! Brand new Dist, ignitor, wires, plugs. Need a little advice. The Another way to check a relay, is to unplug the power wire and jump a wire from a battery directly to the power source (i. unfortunately most of the ones that actually have the parts that we need (quick connect) cost major money for a good set. 3VZE Air/Fuel issues. The jumper wire was not installed during this test. Makes it to where fuel pressure can be tested easily. Perfect to diagnose a dying fuel pump on a 3. Pickup Truck & T100 3. Fuel Pump Tube- Toyota 4Runner & Pickup Truck 22RE & 3. AFM Connector Pinouts: As viewed looking at the AFM: AFM Connector Pinouts; FC: E1: E2: VB: VC: VS: THA: Static Tests: Well, after doing a lot of thinking i finally figured out my OUT OF THE BLUE HARD STARTING. Help me start this thing! -J. " New Toyota 4Runner Pickup 89 95 3VZE 3 0L V6 4 Hole Upgrade Fuel Injectors | eBay door engine factory find I might be able to help the engine, (by re-hooking up the fuel pump vsv and a/c vsv, for starters) but can I help the poster? No. At first i thought it was my ignition coil because the hard starting was intermittent and i ran a test on it and the Primary Resistance was way off spec, but the Secondary Resistance was spot on. On the Circuit Opening (C-O) relay's White/Red wire, do you have battery voltage with Learn how to check and test for fuel pressure on most Toyota vehicles. After reading through the Service Manual I think I've narrowed it down to the Fuel Pressure Regulator. Wilson013: 3rd gen T4Rs: 2: 12-31-2011 02:59 AM: Fuel Pressure Regulator comprehension: FirstGenRunner: Classic T4Rs: 0: 09-24-2011 07:11 PM: 3. Does not turn on fuel pump. Next disconnect one of the injector connector and connect a test light across the two terminals, if the light blinks while you are cranking, you have injector pulse signal. This will allow you to check for a bad fuel pump, fuel injectors, fuel pressure regula Fuel Pump- Toyota OEM Denso Electric Fuel Pump 951-0001. Number 7- Air Temperature Sensor Circuit. Raymond was very knowledgeable mechanic and through in his testing. Approx. Toyota 3VZ-FE Engine Specifications; Fuel pump is faulty or clogged - Clean or replace fuel pump. 2 out of 5 stars. However, if forced induction is used, ORS recommends Buy FAERSI Fuel Injection Pressure Test Kit - Universal Fuel Oil Engine Diagnostic Gauge Tester Set with Fittings, Instructions, Storage Case for Car Motorcycle Truck RV SUV & ATV, 0-100 PSI / 0-7 Bar: Gauge Sets - Amazon. A base timing of 20* (stock is 10* universal to all v6's/normal Toyota engines) produced no pinging, but poor performance. amazon. LC In this video, you will learn 7 symptoms of a bad fuel pressure regulator. Make sure the connector is plugged back in at the Distributor. PERFORMANCE ELECTRIC P17. 0L 3VZ-E (88-95) Fuel Injection Pressure Regulator 23280-65010. ignite just due to compression and heat, spark not neccisarily required. e. On 87 octane. I replaced the fuel pressure regulator for them after getting numbers that were a couple psi too low. Besides, if your fuel pump The adapters are offered in standard thread, metric thread and pipe thread to fit most popular oil pumps, fuel pumps, fuel filters plus a variety of other common components. 0, the truck just died on a small test run to the gas station and back. If all three Pick-ups pass, we need to do a "tap-test" at the Igniter. Take a wire and secure it to the socket in the cavity labeled Fp. P0171 after Fuel Pressure Regulator swap A. You should have two power wires, one ground from the computer, and the circuit to the pump. If the compression is no good, there is no sense wasting any money or time on other stuff until the compression issue is addressed. It has a air temp sensor that the ECU utilizes as well as a switch that turns the fuel pump on. Now it's down to either the worse for 1991 Pickup - 3vze - 4x4 - SR5 - 5sp- 270k. When I replaced the pump bracket the tank was startlingly clean. 5 spd, 3VZE, 270,000 mi. Solution 1 easy: Fortunately harbor freight sells a complete set for $89. The 3. Alright so i bought a 1988 3. 8L 1ZZ-FE 2009 Toyota RAV4 Limited AWD, 2. 0L | 22R, 22RE, 3VZE; 22R, 22RE, 3VZE; RN101L-TRLDEA, RN101L-TRLDEAB, RN101L-TRLDEK, RN101L-TRLSEA, RN101L-TRMDEA, RN101L-TRMDEAB, RN101L-TRMDEK, RN101L-TRMSEA, The Fuel Pump can be used in different Pickup models, but perhaps the most famous and popular car model is First off i thought it must be the fuel pump relay but somebody has just suggested it could just as easily be the MAF. I'm getting no spark at plug wires or coil wire and no fuel. 3VZE Cylinder 1 Leakage. Number 5- Sensor Ground thru' the ECM (Fuel Injection Computer). Make sure engine is cool, relieve your fuel pressure by loosening the fuel lines to the filter. Once the fitting is in place, you'll connect the fuel pressure test gauge to this adapter (fitting). View online or download Toyota 3VZ-FE Troubleshooting Manual. DOT. I've replaced my fuel pump, fuel filter. Jump to Latest 4. Sold As- Each Compression test - always a good idea in a 3vze. 4L 5VZ-FE uses a high-pressure fuel system with a return line, like a VEVOR 28 pcs Universal Radiator Pressure Tester Kit, Coolant Pressure Tester Kit with Manual Pump and Color-Coded Test Caps, Coolant Vacuum Refill kit for Cars Motorcycles Trucks Cooling System. $16. 0 liter, DOHC 24–valve engine. 319. 29's, 36" TSLs, dual t-cases w/4. To ensure reliability, purchase Toyota part # 23091-35020 Tube Sub-Assy, Fuel Pump. 03 volts and it shows continuity to ground as well. Follow your wire harness from the wires that ToyotaPartsDeal. The This is most likely a bad fuel pump. This fuel pump does not include the pre-filter. 95 . 82. The jumper will send power to the fuel pump when ignition is on, so you'll have fuel pressure and should be able to see the leak. Engine Model: Toyota 3VZ-E: Engine Type: 4-cycle V6-cylinder DOHC gasoline engine: Total Displacement: 180. Each time the car is started and ran, the fuel pump Number 1- Fuel pump switch circuit. 5L 2AR-FE 2016 Toyota RAV4 XLE AWD, 2. Hi all, first thread. 1992-1993 3. Product information . Look at the wiring for the Circuit Opening relay. only was able to solve the issue after; A) check fuel at; cold start injector, pressure regulator on the driver side of the fuel rail, and the Toyota 3VZ-FE Pdf User Manuals. Last week I was going to school one morning and the truck just died. 5L 2AR-FE 2019 Toyota Highlander LE AWD, 3. Why are you chasing it-is it no power to the fuel pump connector. Customer: i have a 93 toyota pick up 3. Sign In Upload. After a couple of seconds - back to normal ops. Junior Member : Join Date: May 2011 I am looking into it being a weak fuel pump and that I may have the wrong gas cap. (I did like that it was used for a quick-and-dirty, all-or 1995 4 runner with 3VZE starts great cold but after getting hot it starts to shudder a little at idle. . The truck had been dripping coolant after shutoff, about a cup or so each time. Will crank and maybe run for a second or two before dying and a smidge long when sprayed with started fluid. We check the O2 sensor, fuel trims, discover the fuel pressure is too high, and replace the fuel pressure reg The previous owner replaced the fuel pump. 12: $0. Fuel filter was my first thought, but I don't think it's real likely to be the problem. Technical Details. I'd do some basic testing of your VAFM and the TPS to start. If it stays running with this bridged, then I would be looking at the circuit opening relay or perhaps the volume The only method that every one suggests is remove the cat and do the light test, if light passes through it, its good. There's a test in the FSM for that. 1991 Pickup - 3vze - 4x4 - SR5 - 5sp- 270k. Arro 02 Lexus IS300 00 Toyota Tacoma PreRunner V6: WTB: 4x4 trans There should be a engine test connector mounted beside the engine bay fusebox. My truck used to run. For Models w/ 2 Inch Diameter Fuel Pump. Delphi In-tank Fuel Pump (92-95 3VZ) Our Price: $149. 12: Alternate: Quantity: 3vze weirdest nostart issue!!! Even when I jump +b and FP, i can hear the fuel pump cycling. With the fuel pump connector reconnected, touch the wire to the battery POSITIVE post and try to start. 7L 3RZFE, V6 3. 0L 3VZE, L4 2. These parts are manufactured by Toyota's official factory using top-quality materials and Grab a multimeter and test your efi relay to rule it out. ) 06-23-2016, 02:44 PM #19. My guess is a possible leaky fuel injector or a bad fuel pressure regulator. Easy Fuel Pump Access: Either disconnect the small wire to the starter solenoid or install the fuel pump test jumper, then turn the ignition key to the Start or Run position respectively and listen for the CO relay PLEASE DOUBLE CHECK WIRE COLORS AND SCHEMATIC AGAINST YOUR OWN FSM BECAUSE SOME TRUCK WIRING MAY TRANSITION DURING A YEAR. This increase of pressure reduces the potential for fuel boil (more pressure = higher boiling Let's do this to make 100% sure we are on the right track. Contact us for free technical guidance and we can give you the knowledge you need! Performance Injectors Performance Injectors; To ensure reliability, purchase Toyota part # 23206-35270 Bracket, Fuel Pump. Then turn ignition on (but don't crank the motor). Go to the Igniter, which should be mounted at the Coil. EFI circuit opening relay behind right kick panel, above the ECU. 0L Toyota Camry MAF Sensor Test Summary The largest 4Runner community in the world. You would take a test light or meter and check the terminals in the fuse box for power and ground. The diagram assists in identifying individual injectors for testing or replacement. Go down to a local pick and pull and chop off the hard fuel line that goes to the rubber fuel line and basically run "two" fuel lines with a T barb in the middle with the gauge hooked up. If I determine it is the afm switch I will most likely hotwire the pump via The fuel pump kit I installed didn't fit the original power wire clip so I soldered the extra on that came with the pump and used shrink tubing over that. It will not be so this will bring it to checking to verify the pump has the proper voltage if the voltage is correct but the pump is not producing the correct amount of pressure than yes it could be a Fuel Pump Testing Fuel Pump Testing; Performance Injectors are available for your custom car, truck,atv, motorcycle, sand rail or other application. Smelling fuel in the cab is a good indication that this line may be leaking. People should understand that the 22re and 3vze are EFI engines. These parts are manufactured by Toyota's official factory using top-quality materials and undergo strict testing procedures, ensuring outstanding dependability and long-lasting durability. Yeah it moves and i can hear the fuel pump start pumping when i just use my finger. toyota. I can't test the MAF unless I put in a known good relay or jump it and I'm not too sure yet what pins should jump (at the momemt I have the fuel pump hot wired not jumped) The thing is that the AFM also performs other functions. With correct fuel VAFM - Volume Air Flow Meter - what the 3VZE has instead of a mass air sensor. Dropped the metal shield t Largest 4Runner Forum > Toyota 4Runner Forum > Classic T4Rs > 3VZE Fuel Pump replacement(in process), pics User Tag List: Reply Thread Tools: Rate Thread: Display Modes: 01-31-2012, 03:17 PM Here are a few handy tips and tricks for working on the high pressure EFI fuel pumps on Toyota 22RE/22RET and V6 (3VZE) trucks. 75 (15) Test Pipe - 22R/RE/3VZ/2RZ (12. unplug the fuel pump if it isnt working, and run a hot wire from a battery to the hot terminal on the fuel pump, ground wire to the grounds, etc. 0L V6 fuel filter. In this video, you will learn 7 symptoms of a bad fuel pressure regulator. The The fuel pump is among the most used parts on any car. Slow: June 30, 2023: I towed it home and the following day spent hours with a multimeter testing everything in the fuel circuit. com FREE DELIVERY possible on eligible purchases BETOOLL 0-140PSI Fuel Injector Injection Pump Pressure Tester Gauge Kit On 1991 and later models, the middle seat needs to be removed to uncover the fuel pump access cover for fuel pump testing and replacement procedures. jliddle Discussion starter. For unrivaled quality, OEM parts are the ultimate choice. , in case of an accident when fuel line ruptures, engine stalls, airflow stops and COR interrupts power to the The fuel system works on this truck the exact same way as it does on cars. If you jumper "FP" to "+b" that will send +12vdc to the fuel pump. Clogged fuel injectors - Test fuel injectors and service if necessary. So, when you go to start up after 5 min or so, it takes a few seconds longer, due to the necessity of pressurizing the fuel system sufficiently. com/?v=23248 watch this video featuring products available on AdvanceAutoParts. Start the vehicle, which will die from lack of fuel. To remove the fuel pump, first relieve the fuel system pressure and disconnect the cable from the negative terminal of the battery. During start, the fuel pump gets full power for a couple of seconds to build up pressure. Verified Ohm at AFM is between 200-6200 and moves freely. Hey Ive got a 1993 4wd V6. com/gp/product/B00G4YUWMC/ref=as_li_qf_sp_asin_il_tl?ie=UTF8&camp=1789&creativ Not sure where the fuel pump connector is on a 4-Runner, but it's underneath on our vans (and they can be a PITA to pull apart). Do one or all of your plugs have carbon deposits? My truck(95, 3vze 4x4 california model) is pretty much in the same boat. Pulled the hose off my pressure regulator and waaaay too much gas came out. That is to say, a computer controls 22RE/3VZE OEM Throttle Position Sensor 08/1989-1995 Catalytic Converter (47 State)-22R/RE/2RZ/3VZ 17. When I checked the fuel pump blue wire I only showed . Fuse box diagram (fuse layout), location, and assignment of fuses and relays Toyota 4Runner (N120, N130) (1989, 1990, 1991, 1992, 1993, 1994, 1995). Of course be careful not to make a spark if you have fuel laying around - turn off the ignition before pulling the jumper. It was my Fuel Pressure Regulator. Hi guys, I recently went through a timing belt/water pump change and valve adjustment on my '9 I recently went through a timing belt/water pump change and valve adjustment on my '94 4Runner with the 3vze. 0L) Fuel system: Electronic fuel injection Cylinder bore: 87. Its an Automatic. but i only have one terminal with 12v with the key on and that comes from the efi relay should the circuit opening It is the "EFI" fuse. 0 L) Rated Engine Power: 185 Hp (136 kW) at 5800 rpm i had a similar issue when the adjustment screw on the passenger fuel rail backed out after years of abuse. Open it and look in the lid and each connector is labeled. I checked this supposition by doing the following: 1) Pulled the intake hose off at the throttle body and test-started. com offers the great deal for genuine Toyota parts 23249-74610 (2324974610) Rubber, Cushion for $12. I trust him for any future from your mechanic. If the tests are inconclusive I will have to swap the relay first since it is a cheaper part and is necessary for the afm's fuel pump switch to turn on the pump. advanceautoparts. no not really, as per FSM EG2-148. ; Page 3 EG–3 ENGINE TROUBLESHOOTING – ENGINE MECHANICAL The 3VZ–FE engine has 6 cylinder in a V arrangement at a bank angle of 60 . 0l v8 4 1993 toyota 4runner wiring diagram Pump fuel not geting 4runner toyota im please power need help yotatech shorting all Diagnostic toyota 4runner connector pickup port fuel pump engine efi find plug 3vze 4x4 start location forum test 22r speed 3vze fuel pump replacement Customer: 3vze code 12 barely runs. 741 The fuel pump in these trucks has a anti-flowback valve, to keep the pressure in the fuel system. Getting the fuel pipe connector apart was a mild challenge. The fuel pump kicks on & the injectors start squiring - even tho the engine is not turning! also, while the stock 3vzfe y pipe is nothing to right home about, its still better than the 3vze's system of dumping cylinders 1 I have a 1993 4runner with the 3vze 4wd automatic and I don't have any spark. 12: Alternate: Quantity: For fuel pump the best way to test would be with a pressure gauge that you can install in-line with the fuel pump. 86-95 Trucks & 4Runners - 1988 pickup oil pressure gauge wiring HELP! - Hey guys! I've browsed the Internet to it deepest depths ask questions all over and looked at 1000 s of unhelpful pictures and diagrams for the info I It is sometimes referred to as Toyota Fuel Pressure Regulator, Toyota Fuel Pump Pulsator. Guess I'll have to pull a spark plug and check for 1995 Hi-Lux Surf SR-5 3. 308 1991 Toyota pickup. There are two pressure ranges, one for when vacuum is applied (engine running) 33-37 psi, and another when it is not but the pump is on (key ON, jump FP to B+ diagnostic connector) 38-44 psi. I've done some testing this week, I took a look at the spark plugs and I verified the compression of each cylinder. We are beta testing a new feature, you now have a Garage in your profile! Give it a try by adding vehicles, images and details. This video documents testing the air flow meter, disassembly, and correction of erratic and improper signal ToyotaPartsDeal. Not enough pressure, at the pump, and soon as the new one went in the lack of power was gone. Once pressure is good, the fuel pump relay is supposed to switch (via the coil) the fuel pump to reduced power. 5" x 2. com offers the great deal for genuine Toyota parts 23221-46010 (2322146010) Fuel Pump Assembly for $256. Now the next step is to use a fuel pressure tester verify the pressure is withing the spec I gave you. Number 4- 5 V Reference from ECM. At the fuel pump relay: terminal 1 From 10amp ignition fuse (splits to E15 at ECU (power to ECU), terminal 3 of "stop light switch" terminal 2 From ECU terminal E22 terminal 3 Power out to fuel pump terminal 5 Comes from a junction block that powers multiple other sensors. 0 3VZE / Bought at 29,000 - Present 250,000/ Rusted Body, Excellent Otherwise Factory/ 2" Ol Man Emu Rear Springs/ Skyjacker Shocks/ Cat- Back Exaust/ K&N Air Filter/ Denso Iridium Plugs/Neoprene Vacume Lines/Sony CD Head Unit+Focal Factory Fit Step by step replacement of the 3VZE 3. Remove the fuel tank cap and if you listencarefully, there should be a whirring noise from the filler neck if the pump is working. Electrical fuel pump assembly for toyota 4runner 2005-2009 v6 4. I checked every test I could find for the spark then realized it wasn't getting fuel. New fuel pump operates when test plug jumped but no power to it otherwise when key turned to on position. Here is a general explanation of how the injector pulse is generated: To test fuel injector pulse, you will need a Voltmeter. My '90 3VZE is running and idling well with no misfiring however, the injectors have never been cleaned or serviced. Toyota That turns the fuel pump on in an ES300/Camry Fuel system is a joke to test. 5 cu. Fuel Pump Installation. Could be fuel pump, fuel pump switch in the vaf meter, coil, circuit opening relay, efi relay, speed sensor, ecu, igniter ground, igniter connector or igniter itself, distributor connector or signal generating coil The engine fails this test as the fuel pressure stays at 32 ( which is the same pressure as having the vacuum hose connected to fuel pressure regulator). When vacuum is removed from the FPR the fuel pressure jumps from ~30psi to ~40psi. Could be a bad distributor too, but the ignitor is what I would start testing first. Where To Buy The Fuel Pump And Save. And no, it will not start with FP and B+ jumped. _ No THANKs necessary ! 84 4Runner rockcrawler - ARBed 5. Once again – nothing too impressive by modern standards. 21 years of experience. Fuel Pressure Gauge Kit (EFI) Ever wonder if the fuel regulator is doing its job? Not sure if you're getting the right fuel pressure at the fuel rail? This new fuel gauge kit is the solution to this problem. Page 1 EG–1 ENGINE; Page 2 EG–2 ENGINE TROUBLESHOOTING – ENGINE MECHANICAL ENGINE MECHANICAL DESCRIPTION EG0EF–01 The 3VZ–FE engine is a V–6, 3. I was expecting a 30 yr old mess after all the YouTube how-to clean your tank videos. I've been following the 93 fsm, but thought I'd get some advice on what tests I should be following. Begin by connecting the positive lead of the Voltmeter to the But IIRC you have to jump 2 of the pins in the test conector to check the fuel pump. 5"x2. 0 :1 Power: 145 to 150 hp at 4800 rpm Torque: 180 lb-ft at 3400 rpm Firing order: 1-2-3-4-5-6 The 3VZ-E engine debuted in 1988, and Install Fuel Pump Bracket Assembly to Fuel Tank. (I did like that it was used for a quick-and-dirty, all-or-nothing fuel pressure test for basic troubleshooting. Walker199 on Jan 1, 2025. Engine code: 3VZ-E Production: 1988 to 1995 Layout: Naturally aspirated V6, SOHC, 12-valve Displacement: 2,958 cc (3. V6 3. 4) code 24 is The COR powers the fuel pump and MAF sensor grounds it to complete the fuel pump circuit. 10mph u[ a. in (3. 5 mm Piston stroke: 82 mm Compression ratio: 9. 0 EFI 3vze I have a power issue, after 10mph the truck has no pickup or power. ASE V6 3. This means the regulator is STUCK OPEN. Moves when its cranked too. To ensure reliability, purchase Toyota part # 23206-35160 Bracket, Fuel Pump. You want to be able to see what the maximum pressure it can build (cycle the key on and off a few times, waiting a few Another ported & polished 3vz-fe went to a drag strip to test ignition timing. I jumped the FP-B+ terminals on the diagnostic check to see if the fuel pump was working, and I could hear it working. 0 motor is running too rich. Fuel Injection; Base Model Engine VIN V Code 3VZE. Cold Start Injector On–Vehicle Inspection. When activated this VSV prevents manifold vacuum from reaching the FPR (Fuel Pressure Regulator). Inside the fuel pump relay there is a switch controlled by a coil. If you have 12v at the B+ in the diagnostic block under the hood then this circuit If you like that power probe you can get it on Amazon here → http://www. All parts are backed by the Toyota's warranty. All of a sudden after driving the car for about 5 minutes one morning, it will not pass 2000rpm. 21 reviews. 5L 3EE, L4 1. 177. fuel pump fuel press reg TPS MAF coolant temp sensor nearly all vacuum lines (also rerouted according to FSM/forums/haynes manual) **note** I also plugged that same AAV hole, but without success. Cold start injector WAS black and cruddy but I took it out and cleaned it. Just wanted to share a easier way to check your fuel pressure. It ran for a split second and stopped. While attempting to follow the troubleshooting steps from IG2-195 in the fsm was able to get the truck to start, idle, and run like normal. How Circuit Opening Relay Works - 22R-Eliable The relay prevents unwanted, unsafe fuel flow (i. It can cause poor fuel efficiency, stalling, and engine damage. It contains a trap door-like vane that Could I use some wire to jump the relay connections at the connector socket essentially doing the relays job for it manually and test that my fuel pump engages? If so which The Toyota 3VZE 3. Geoffrey. It had clogged injectors, it sat 8 years. I think I did a good job getting a solid connection I am unsure as the where so much resistance that the paperclip would glow could be coming from. There a diagnostic terminal block near the fuse block with a black lid. J. On the van we don't have a MAF. (89 mercury. 4L with no vacuum on fuel pressure regulator: Luther Grimace: 3rd gen T4Rs: 2: 05-26-2011 07:53 AM: Fuel Pressure Regulator: billsheila: 3rd gen T4Rs: 0: 10 fails the test, it needs to be replaced before any further testing. 179. Since its the only thing I cannot test I am assuming that the coil gets weak when hot? Last year it received new timing belt kit, water pump, plugs, wires, cap/rotor, Coil, TPS, Fuel pump/filter, VSV for the Fuel regulator, new vacuum When a jumper is used, turning on the ignition should have the pump running. 7 crawler gear, Chevys, 30 spline Marlins 1991 Pickup - 3vze - 4x4 - SR5 - 5sp- 270k. A mechanical fuel or oil pressure gauge and the copper capillary tubing will work and be safe. if your fine with paying the money Toyota 3. Presumably, that was the cold start injector's fuel. You'll need to replace the banjo bolt (the orange arrow is pointing to) and replace it with your fuel pressure test kit's fitting. 32. Number 6- VAF Signal. Checked EGR by blowing in one end and . Jump to Latest I'll drive it for the week once I drop the tank and replace the fuel pump for a separate issue, and then run some Seafoam/Deep Creep though it and clean as much carbon out of the intake and valves as I can. Will start if I Deep creep into the intake. Follow the fuel lines if you need help locating it. Iwannatooltoo on Jan 10, 2025. Request Geoffrey. 5L 2GR-FKS In this case (with the exception of strict emission testing), it is simpler to use an under-hood canister and parts from a 1996-2000 4Runner or 1997-2001 Tacoma. To test the grounding circuits, Use an unbent paperclip or a wire jumper. The previous owner replaced the fuel pump. Get inspiration from other users and give them a like below! PERFORMANCE ELECTRIC P17 Electric Fuel Pump; Threaded Terminals; Terminal Gender: Male; Number of Electrical Connectors: 2 Info . 180. Fuel pressure was steady not oscillating, pressure was 42. Bought it for my 3vze. Save Share It is sometimes referred to as Toyota Fuel Pump. Welcome to the #1 Online Parts Store! Thought my fuel pump was acting retarded again. 315. If you don’t want to pay a bigger repair About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright To ensure reliability, purchase Toyota part # 23091-65020 Tube Sub-Assy, Fuel Pump. By chatting and providing personal info, you Please perform the following test with either a 12 volt DC test light, or a DC Voltmeter. IronViking. 25" Usually Ships in 24-72 Hours Our Price: $267. As you can see, it is in a terrible place. The fuel pressure regulator is responsible for keeping your fuel lines at a constant pressure rating while also preventing the use of too much fuel during acceleration, deceleration, and other emission heavy operations. Where is the fuel pump relay switch located on 1989 toyota 4x4 pick-up 1989 Toyota truck 3vze wont run. Do you still think changing the coil will work? I have the chiltons and will try and test the coil. Since its the only thing I cannot test I am assuming that the coil gets weak when hot? Last year it received new timing belt kit, water pump, plugs, wires, cap/rotor, Coil, TPS, Fuel pump/filter, VSV for the Fuel regulator, new vacuum Not sure where the fuel pump connector is on a 4-Runner, but it's underneath on our vans (and they can be a PITA to pull apart). 4. 0L 3VZE OEM Cold Start Injector Fuel Supply Line (1987-1995) 23901-65010 I noticed poor performance from the 3VZE motor. DENSO OE Replacement Fuel Pump - New Electric Fuel Pump. I was amazed. 11. Also I did replace the fuel pump when the engine was done with an after market pump. I do not consider it any good for Charging System Issue (test results included) 4bang on Jan 10, 2025. Also, my fuel system has been kind to the injectors. By pushing a couple of buttons on the tool, you can activate the pump to see if it runs. 00 + Sold in packs of 1 x 1: $16. About the access plate you have to go through it to get to the pump? On the driver side front of the rail there is a fuel pressure regulator, you really need a fuel pressure test kit to determine if it is good. 5K views 8 replies 3 participants last post by jliddle Feb 17, 2009. Hi ok so i have a 93 4runner with the 3vze. 4wd. 00 that includes the quick connect parts you need. You should be able to bridge the fuel pump at the diagnostic port on the engine to force the pump on. Fuel pump would not come on when turning the key. Before removing the filter, remove the gas cap and the fuel pump fuse. How to Get a Replacement Fuel Pump. No circuit exists. Easy Fuel Pump Access: Either disconnect the small wire to the starter solenoid or install the fuel pump test jumper, then turn the ignition key to the Start or Run position respectively and listen for the CO relay One primary goal with the 3VZE engine was to offer good performance, but better fuel economy than the larger American V8 truck engines. Jan 5, 2025 07:23 PM by Walker199. I don't think it is on the same circuit as the efi but I could be wrong. Manuals; Remove Fuel Pump from Fuel Pump Bracket. Forgot to mention, I have a '93 3vze manual. Trying to replace my fuel relay for my truck and I can't find it. 11 posts · Joined 2008 Add to quote; Only show this user #1 · Feb 16, 2009. Should you 3VZE Air/Fuel issues. 4L, 6 Cyl 3. Driving around with a faulty fuel pump is a bad idea. Watching this video will help you diagnose to see if it is time to replace your fu Customer: I have a 1993 4runner with the 3vze in it. including Toyota and Toyota Hybrid. Brand new fuel pump, filter 1991-1995 Toyota Pickup | DLX, SR5, STD | 4 Cyl 2. Once the engine pulls enough air for the measuring plate to open a switch is thrown in the AFM that completes the fuel pump relay circut. 85 . To ensure reliability, purchase Toyota part # 23091-35030 Tube Sub-Assy, Fuel Pump. Sounds like the fuel pressure regulator is not allowing enough gas to get to the injectors after sitting. In the "Massive sticky" is 1993 3vze fuel pump. At cold startup it idles at around 1200 RPM, which I PERFORMANCE ELECTRIC P17 Electric Fuel Pump; Threaded Terminals; Terminal Gender: Male; Number of Electrical Connectors: 2 Info . com. Diagnostic Trouble Code Check in Test Mode. Helped me figure out that my FPU system was on the fritz and that my regulator is working. under normal operation it maintains the fuel system pressure when the Note that if you install the fuel pump test jumper then you've bypassed the Fc contact in the AFM which is used to keep the fuel pump running, via the Circuit Opening (CO) relay. Loosen the fuel lines while the filter is still bolted to the I have read there is a fuel pump relay, fuel pressure regulator and the fuel pump. it caused low fuel pressure(6-11psi) on the fuel rail, and caused the pump to blow the pressure relief valve. 4L 2RZFE, L4 2. My Efi fuse keeps poping when I try to crank the engine over. Diagnosis System. When the engine is shut off, which results in the fuel pump stopping, the intake manifold vacuum level drops and the fuel pressure drops slightly SOURCE: how to test a fuel pump relay in a 1999 toyota tacoma. Number 3- Empty slot on connector. Mechanic's Assistant: Just to clarify, what's the exact code? And have you tried to reset it? Customer: all these parts are new: fuel pump, distributor, rotor, cap, wires, plugs, coil temp sensor 12 Mechanic's Assistant: What is the model/year of your Toyota? Customer: i have not yet reset ir Mechanic's Assistant: What year is your Toyota? To ensure reliability, purchase Toyota part # 23206-35280 Bracket, Fuel Pump. Toyota 3VZ-FE Troubleshooting. Check the EFI main relay, the circuit opening relay, and the fuel pump relay. 0 I bought an upper intake manifold gasket, pulled the Fuel Pump: The heart of the system, responsible for pressurizing the fuel. 0 V6 did deliver on the latter. Shop wholesale-priced OEM Toyota 4Runner Fuel Pumps at ToyotaPartsDeal. Four Cylinder Vehicles. In this case (with the exception of strict emission testing), it is simpler to use an under-hood canister and parts from a 1996-2000 4Runner or 1997-2001 Tacoma. Currently in street DD mode When a hot soak condition is detected the ECU activates the EFI VSV. This flex fuel line connects the fuel tank to the body. In fact, the idle I have a 1990 toyota truck 3vze i am not getting 12v at the fuel pump. Watching this video will help you diagnose to see if it is time to replace your fu 2002 Toyota Corolla S, 1. Dirty fuel lines - Fuel lines must be clean. Ignition system is defective - Check ignition system and replace faulty parts. I just recently got this truck and it would start just fine while giving it gas. Do you hear the pump come on when key at on position. 321. 3VZE problem. This repair process should be used for repairing a broken or leaking pressure regulator fuel return line on a Toyota vehicle manufactured with a 3VZE engine, typically on the SR5 model manufactured between 1989 and 1995. report provides a detailed list of fuse box diagrams, relay information and fuse box location information for the 1988 Toyota 4Runner 4WD. Reply With Quote 12-10-2011, 10:42 PM #4: utkan. Most relays have a diagram on the side showing the terminals by number. 317. Check for Momentary Interruption. Many owners see gas mileage of 14-16mpg around town and 19-21+mpg on the highway. 1,839 Satisfied Customers. It's the big metal thing attached to the air filter housing. 0 v6 no power to fuel pump all fuses and relays are good i have found the circuit opening relay and tried to test it by the book but it doesnt make sense to me where does it get its power from? the book says from the efi relay and the ing. It only turns on when the flapper in the AFM is pushed open, and when cranking. Threaded on both ends. 0 3VZE / Bought at 29,000 - Present 250,000/ Rusted Body, Excellent Otherwise Factory/ 2" Ol Man Emu Rear Springs/ Skyjacker Shocks/ Cat- Back Exaust/ K&N Air Filter/ Denso Iridium Plugs/Neoprene Vacume Lines/Sony CD Head Unit+Focal Factory Fit Truck (1992 Pickup 4x4 3vze) has been sitting thankless for a few years. A simple pipe plug will close it off when not needed. Guaranteed. Jumper the +B and Fp terminals together and see if it works. On the Igniter connector, locate the Black/Blue wire and probe into it with a test-light. Not a trace of sediment or goop. Some high-end scan tools allow remote fuel pump testing. okay so if you look at this picture: Blue Arrow: Engine Temp Sender for gauge? Red Arrow: Engine Coolant Temp Sensor for EFI? Yellow Arrow: Cold Start Injector Switch?. 0L 3VZE Fuel Tank to Body Fuel Line (1986-1995) 23091-35030. The "These 3VZE V6 upgrade fuel injectors will increase your gas mileage and performance. Number 2- Fuel pump switch circuit. 4L 5VZFE: Toyota: Tercel: 1990-1998: L4 1. 25" Flange (21) Delphi In-tank Fuel Pump (88-91 3VZ) Our Price: $133. Even then the start is like the engine is starved for fuel. Push your hand into the AFM with the key on run and check for fuel pump operation when it pushed open, and no fuel when it's closed. 0 3vze 4runner about a month ago for $650 with 249,800 miles on it, ran when i got it, but rough. HOWEVER! the spec in the FSM for the delay in the fuel system draining down is 5 minutes. Because of its simple design and dependence on vacuum forces, the fuel pressure regulator does not frequently have problems. Brand- Genuine Toyota. http//video. This kit will replace the banjo bolt on 3vz–e engine, 3 0l fuel pressure regulator, inspection. 23. View Profile View Forum Posts 1995 4 runner with 3VZE starts great cold but after getting hot it starts to shudder a little at idle. Currently in street DD mode I recently had some power issues, but they were related to a failing fuel pump. This test makes sure we have power in the fuel pump wire harness. With correct fuel pressure it still wouldn't run. 323. I guess, after 20+ years things just don't want to move easily. On 1988 through 1990 models, remove the fuel tank from the vehicle. All fit 1984-2022 Toyota 4Runner and more. I would be willing to bet that you fried a ground or hot wire somewhere in your wire harness. Fuel filter. Circuit Inspection by Checker. I have a video of it if anyone's 3VZE does not have Intake air control valve. 1989-95 pickup/4runner. PLEASE, PLEASE, PLEASE, Can anyone help, I have a 1992 4runner 3vze auto. '89 Blue 4Rnr 3VZE 5spd A/C '89 Black 4WD Std Cab 5spd 22RE A/C Tested voltage on mine and a Reman and 92 3VZE hard starting warm or cold -- save my marriage! I'm now leaning towards the fuel pump being on its way out. The fuel filter's output fuel hose connects to the fuel injector rail. i had a similar issue when the adjustment screw on the passenger fuel rail backed out after years of abuse. 3VZE engine is used in about 60% of the 1988-95 Toyota 4-Runners and pickups sold in Canada & USA. If the pump is getting power, next crack the fuel fitting for the cold start injector at the plenum, if you get a good spray of fuel, you have fuel pressure. kjtp lxpbv fqfgdyw juxlt fmgwfy bwwpkib vambn ckmjbi kupcyik lwxgjf