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Dumb, Fuel Pump Question

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Old Jul 24, 2007, 10:18 AM
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Dumb, Fuel Pump Question

When you guys turn your car to acc does your fuel pump prime?


seems like i remember mine doing so. But my car quit today and i'm troubleshooting and when the key is turned on the fuel pump doesn't wine at all.


So i'm thinking dead fuel pump?
Old Jul 24, 2007, 10:21 AM
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The fuel pump should prime. I'd start by checking your fuses and make sure you haven't blown one.
Old Jul 24, 2007, 11:16 AM
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s2kguy is right, it should prime.
Old Jul 24, 2007, 12:39 PM
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it will prime but you might not hear the pump depending on how mutch fuel is in your tank but you can turn the key on and see if you feel the pump vibrate under the back seat.
Old Jul 24, 2007, 12:44 PM
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take the rear seat off and then crank up the car.... u should hear it
Old Jul 25, 2007, 11:15 AM
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yeah i already did all that.. checked fuses and what not..

i'm hoping like hell its the fuel pump. Hope my car didnt' crank walk like my buiddies whos was built by the same shop.

his car wouldn't prime when the crank angle sensor got destoryed
Old Jul 25, 2007, 12:12 PM
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hmmm, mine doesn't seem to prime. Never has in accessory mode per the fuel pressure gauge. Sits on zero. When you shut the car off after it's been running with good fuel pressure, and leave the key in the accessory mode, it shows about 30#'s pressure and slowly bleeds down to zero but it takes about 15 minutes, so I know the guage is reading correctly in accessory.

Are you guys sure it primes in accessory? Mine's an 03 fwiw and doesn't prime.
Old Jul 25, 2007, 01:22 PM
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seeems like i almost always remeber when i turned the key on hearing a faint wine.


i changed pumps just now.. still doesn't prime
Old Jul 25, 2007, 01:24 PM
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did you check the fuel pump relay
Old Jul 25, 2007, 03:03 PM
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where is the fuel pump relay? in the box under the dash thats labeled relay in the manual.. just relay not fuel pump relay.. a 7.5 fuse..

if so yes

if not clue me in
Old Jul 25, 2007, 10:54 PM
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Originally Posted by ONRAILS
where is the fuel pump relay? in the box under the dash thats labeled relay in the manual.. just relay not fuel pump relay.. a 7.5 fuse..

if so yes

if not clue me in
i think that relay is under the hood in the engine comp. and yes it should prime but the stock AND aftermarket pumps are quiet b/c they're "in tank" pumps and run quiet regardless. especially with more fuel in your tank than less.
Old Sep 14, 2008, 11:51 AM
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was this issue every resolved?

i'm having a very similar issue in my turbo lancer, i remember there being a prime on the acc position and my car won't start up now, and i'm hearing nothing from the pump.
Old Sep 16, 2008, 08:58 PM
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Yeah it was fixed. When i changed pumps i didn't crank the car for long enough lol! i went back out later all pissed off turned the key and the ***** fired up.

I burnt the 1st pump up with low gas.
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