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Where is the fuel pump relay on a 2003 vw transporter

Posted / edited by AnonymousUser on : 22-01-2018

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I have audi A8L 2004 4.2L. The car starts and after 30 sec. main fuel pump relay shuts off and pressure drops to 0 and engine shuts off. I'm auto technician, I checked circuits to main fuel pump relay and signal from ECM to relay is disapering after 30 sec. Car starts fine every time after shut off and every time it shuts off after 30 sec. Tell me what problem could it be or what I should check? Thank you. Sincerely Jerry


Could be an oveheated fuel pump! Extract the pump out from fuel reservoir and test it! ... Audi A8

I have a 99 dodge ram 1500 5.9 we put a fuel pump with regulator in and a relay .still would not start it will start with the fuel relay out the psi will drop down to 0 and still will run just at idle but still run as soon we put relay back in it stall like it getting to much fuel


... Dodge Ram 1500

1996 gmc yukon. replaced fuel pump 3 times in 2 months, finally running then it wouldnt start one day. cranked it over for awhile and nothing. sat 15 min it started right up, drove home shut off, then started back up. next day no start. just replaced fuel relay still no start, checked fuel pressure its at 0, is it possible the pump is bad again or could it be the clip for the power to the pump being loose or faulty?


This is a very common problem. GM has issued a service bulletin to replace the wiring connector at the fuel pump assembly on top of the tank. check the end of the plug for burnt terminals. the service bulletin states that these corroded connectors ca ... 2000 Chevrolet Tahoe

1997 Pontiac transport no power to fuel pump or start. VAn was driven to gas station then filled up.No start just cranked.fuel pump would not run.Fuse good relay is good.Pulled tank replaced pump assembly.Which fixed the non working guage.Reinstalled the tank hooked everything up,and then tried to start the engine.Fuel pump would not come on to prime system.All fuses are good except for the "ECM sense" replaced it and then tried to start it.Pump came on and then off several times for about one


Timing chain controls the fuel pump? ... 1997 Pontiac Trans Sport

02 Kia Sportage in starting mode has 60 psi fuel pressure. When letting off the starter fuel pressure drops to 0 right away have checked fuel fuses relays cant hear the fuel pump run when you turn switch on


The pressure is supposed to drop off unless the engine is one, cranking with the starter, or two, running. ... Cars & Trucks

Where is the relay fuel pump for 97 transport


Under the hood in relay panel ... 1997 Pontiac Trans Sport

Severe voltage drop to orange wire on fuel pump relay when ignition is in run. Fuel pump won't engage. Can jump positive battery lead to tan/white wire on fuel pump relay, fuel pump will com on. Battery voltage good. 20amp fuse by battery good. Voltage drop still occurs with both fuel pump relay, MAF relay and MAF power relay unplugged.


Replace the ignition switch (shorting out so to speak) this is the electic part down on the steering colum ... 1987 Chevrolet Camaro

My 98 windstar gl is not getting the ground comand through the pcm to open injecters and the fuel pump relay is not exciting the pump for initial start pressure and i have replaced most every sensor pcm and relays checked grounds replaced fuel pump eec dioad and clutch dioad pcm relay fuel relay ignition switch and more fuel pump is fine if iremove pump relay and jumper it run i have also tested the inertia switch the other pain in the but is i bought an obd meater yet it is unable to establish


If you don't think your getting the ground command through your PCM, you can make your own ground just by bypassing the PCM all together. First you need to find a PCM connector end view showing which pins are which wires and locate the ground you nee ... Ford Windstar

My 2003 Galant isn't getting fuel to the engine. I replaced the pump yet I'm still getting no fuel. The fuel gauge is still reading a quarter tank of fuel. I check all my fuzes and all are working. So, now I suspect the fuel pump relay that my manual talks about but doesn't show me where the relay is located. First, I would like to know which relay controls the fuel pump. If that doesn't work what else would cause the vehicle not to pump fuel to the engine?


The fuel pump relay is under the hood on the driver side. There is a black box that will have a wing nut that takes the cover off. The cover will have a diagram of which one the fuel pump relay is. ... 2003 Mitsubishi Galant

Car will not start. car will run for a moment or two if I pour gas in the fuel injection manifold. The fuel gauge is pegged to overfull. all other gauges seem to work fine. Fuel gauge remains pegged even with the fuel pump electric wires disconnected. I believe it is a bad fuel pump relay or the the low oil pressure sensor switch is disabling the fuel pump relay. However I cannot locate the fuel pump relay?


The oil pressure sending unit will be the problem for that primes the pum when you turn the key to the on position. You will hear the fuel pump running for 5 seconds when doing that. If the pump is running when you have the key turned to the ON posit ... 1992 Buick Roadmaster

Van quit while driving down driveway. Found not getting fuel, zero fuel pressure at the fuel pressure tap under the hood and no fuel pump "hum"...not even for 2 seconds. Replaced fuel pump assy, relay, and fuel filter and van will still not start. The relay does not click and I do not get 12v to the pump between the gray and black, which go to the fuel pump motor. I have ck'd all connectors for burning or melting and all look like new still. Both old and new relays the coil cks good on meter


I have a 2003 chevy venture and 2 years ago my van just quit, replaced relay, fuse and fuel pump. finally had to take in to chevy garage and they found a short in the wires to the fuel pump up under the dash. cost me about 150 bucks at the garage, th ... 2002 Chevrolet Venture Passanger

1996 Toyota T-100 starting problem--- when I first turn the key, I hear nothing. After engine cranks over once or twice, I hear a clicking noise around the passenger engine compartment. I'm assuming that it's either the fuel pressurizing or the fuel pump relay. I read online that both the fuel pump relay and the oil pressure switch enable the fuel pump to turn on. What I understood is that if the fuel pump relay goes out, oil pressure switch turn the pump on. This explaining why it has to c


The fuel pump relay should be located in the under hood fuse box just replace the relay with a new one ... Toyota T100

On my 97 grand prix3.8 I have used a jumper wire in place of the fuel pump relay and the fuel pump comes on . But when I plug the relay back in and turn the igntion on the fuel pump does nothing the relay is new and it clicks when we turn the igntion key . So I pulled the fuel pump fuse and use a multimeter to see if there was power where the fuse plugs in and there's is no power getting to it . But when I use the jumper wire I have power to the fuse and the fuel pump runs am I missing somethi


There is a break in the wire that supplies power to the fuse box.You need to trace this power wire from the fuse box to find the break in this wire and fix this wire,.Ii would help you is you have a wiring diagram of your vehicle as the wires ... Cars & Trucks

I have an 1986 camry im to the point where i tested the fuel pump and i know its bad cause i accidently burnt it out. before I wasnt getting any power to the fuel pump. After some searching I fount the circuit open relay (fuel pump relay). I pulled it ou and jumped Fp term. to B+ term with a paper clip then turned key to on to check for power and I did have power. So I bought a new relay online along with the fuel pump.. In my haste I went to the junk yard and pull a relay that was close to simi


Do not panic until you try it again with the correct relay. My hope is that the modified relay cause a miss communication to your computer. Once the correct on is in place it may correct itself. If not you may have burned out a computer component. ... 1986 Toyota Camry

1993 Buick Roadmaster keeps on blowing fuel pump/ecm in-line 20 amp fuse. Car stalled out in a parking lot, would not start, no fuel. Changed fuel pump, fuel filter, fuel pump relay. Found fuel pump/ecm in-line 20A fuse keeps on blowing when I turn key on. Looked all over for shorts, disconnected oil pressure/ fuel pump cutoff switch, changed fuel pump relay, fuel pump is disconnected at tank at present, still blows fuse. Please help as I cannot afford to take car to shop and presently working


You said the fuel pump is disconnected at present and the fuse still blows so I am thinking you have a dead ground in the fuel circuit maybe a wire is pinched after the fuse and before the pump. Check along the frame for this and make sure all of you ... Cars & Trucks

I have a 96 geo tracker and it blows the 15 amp fuel injection fuse. I unpluged all the wires in the engine comp. and the relay under the dash for the fuel pump. After that the only on that made it blow was the fuel pump relay and the fuel pump is new. I ohm out the wires going to the fuel pump to ground and they checked out fine. What esle can i check? I even put a differant relay in. There is a direct short some where.


Most car have 2 kind of ground...the relay and the fuel pump...make sure u check them both...if not...than disconnect the - side of the batt than put a test light on the - side of the batt and the other one on - side of the cable...make everything is ... 1996 Geo Tracker 2 Door

Fuel pump in 1998 susuki esteem functioning properly. Car will not start so I jumped fuel pump relay and it started. Switched out horn relay...same voltage, to fuel pump relay position and no go. Verified horn relay was good. Did not verify hot switched side of relay (from key Iam assuming) was hot. Check engie light on, so could this be a bad ground in the 02 sensor? As I understand, emission components and fuel componets are grounded to ECU. Anyone have experience with this phenomenon?


Hi,\012the fuel pump relay performs a slightly different function than the horn relay. If there is a wiring circuit printed on the outside of the relay's you will be able to see the difference.\012\012AS you have "jumped" the fuel p ... 1998 Suzuki Esteem

I have a 1992 hyundai scoupe it is not getting fuel throught the injectors i replaced the electric fuel pump in the tank and it is not getting any fire to the pump i can run a hot wire to the pump and it works but car will not start fuel gets to the fuel rail just fine but seems to not get through the injector. i replaced the fuel pump ,fuel regulator ,ignition control module,and have since purchased a fuel injection relay but i have no idea were it goes i have a new fuel pump relay also but i


Hello\015\012First i would like to say you may be chasing your tail on the fuel pump, the opump doesn't run for more than 1 second if the ignition is turned on unless 1. the engine is cranking to start or 2. the engine ... Hyundai Motor 1992 Scoupe

My 1985 mercury grand marquis 5.0 litre tbi wont run. fuel pump wont come on unless you run wire from battery to fuel pump but car wont start with fuel pump running. new fuel pump because i wasnt getting pressure to tbi.was havin g to spray starting fluid directly on injectors for it to start and run and it would run fine.now im not getting nothing but if i straight wire fuel pump(new) it runs but injectors wont prime and spray. eec relay and fuel pump relay are good. took ecm out of ford ranger


... 1997 Mercury Grand Marquis

2000 Jeep Grand cherokee Laredo wont start. Engine turn over . No noise from fuel pump with ignition on. Replaced fuel pump and filter.Turn ignition on- pump did not run.Jumped the fuel pump at the pump relay.Pump worked and pressurized fuel rail. Still no start. Checked OSD relay and fuel pump relays and fuses-all good. I noticed that the fuel guages were malfunctioning. Battery guage hardly moves.Battery full . The anti theft light stays on as I tried to start engine.


Sounds alot the the pcm it controls the fuel pump and ign system but the anti theft would keep it from starting because the key has a transponder in it programmed for that vehicle and that would kill all ign if triggered ... 2000 Jeep Grand Cherokee

1995 Isuzu Rodeo with 3.2L v6. With no power to the fuel pump. I've checked the continuity on the fuel pump wires they seem fine. No/low voltage on the wires to the pump, (.08 volts when DMM is set to 20). Checked pump after removing the tank and the pump, it purred. Checked the fuel pump relay it seems to have power on 1 circuit, (not sure if 2 circuits should have power(?)). Then checked with a known good relay. Then tried jumping/bypassing the relay. The schematic show the power should go fr


Maybe a fuel filter clogged, or a relay to your fuel pump. ... 1997 Isuzu Rodeo

I have a 2002 Chevy cavalier that I just replaced the fuel pump on! After replacing the fuel pump, the car starts and runs fine! However this car created a mind of its own through its repair and will not shut off when the key is put to the off position! Any suggestions? When I pull the fuel pump relay it shuts off immediately and I have switched relays to make sure the fuel pump relay is not sticking to on!


Interesting.You have something that is keeping the fuel pump relay engaged other than the computer. The computer is supposed to ground the relay.Or the computer is acting up.The only thing in the gas tank is the pump and the sending unit ... Cars & Trucks

I have a 83 280zx non-turbo which quit running. Heard pulsating noise at fuel pump relay (kicking in and out) under dash passenger side. Replaced relay, still does same thing. Replaced water temperature sensor, pulsating goes away but relay kicks out almost immediately. Can hot wire fuel pump to get it to start but this method is not very safe. Is fuel pump bad or do i need to look someplace else. I have been able to hot wire fuel pump briefly to get started and then car will run on its own


... 1983 Nissan 280ZX

Iam getting no voltage tto my fuel pump,front tank doesn't work,I changed the ignition switch,still no luck. the continuos power to my fuel pump reads 6.5 volts. From what I can tell my electrical sytem runs like this,my power control module relay from the relay it goes to the fuel pump relay then to the Inertia shutoff switch, to the Front and rear tank selector switch, to the back tank. Like I mentioned before I am only getting 6.5 volts at the fuel pump.


Poor earth connection most likely causing hifgh resistance voltage drop. \015\012\015\012Could also be a faulty pump. Run a separate power supply to it and recheck. ... 1997 Ford F250 SuperCab

1993 lumina 3.1 engine. shuts down while driving,sometimes bucks at 50 m.p.h. checked plug at fuel pump harness and one pin had about 5 volts other 3 dead.swapped fuel pump relay and same thing.jumped relay and checked plug terminals again,found terminal with approx 5 v and one with 12 volts. reinstalled relay and plugged pump harness together and works fine now,need to know what controls the relay.(fuel pump was replaced about 30k miles ago.I know it's possible it's bad but I'm leaning toward a


The computer is what sends the signal to the fuel pump relay. Check the harness plug at the fuel pump again they tend to get loose. there is an updated replacement plug for this. also make sure the terminals on the fuel pump relay are clean and not c ... 1993 Chevrolet Lumina
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