Fuel pump won't stop =(
Thread Starter
Racer
Joined: May 2002
Posts: 266
Likes: 0
Fuel pump won't stop =(
Guys any of you have an idea of whats happening on my car??
i turn the key to the on position,and i hear the pump working,the pressure reachs the 40psi and the pump doesnt stop,i checked for a leak,and i cannot find any leak outside of the injectors,can an injector be flowing fuel like wot???
I can hear the fuel injection and seems to be pulling too much fuel,i dont know if these problem comes since i installed the superram
Can an additive fix that??or bad injector???
Thanks for the help!
i turn the key to the on position,and i hear the pump working,the pressure reachs the 40psi and the pump doesnt stop,i checked for a leak,and i cannot find any leak outside of the injectors,can an injector be flowing fuel like wot???
I can hear the fuel injection and seems to be pulling too much fuel,i dont know if these problem comes since i installed the superram
Can an additive fix that??or bad injector???
Thanks for the help!
Team Owner
Joined: Jan 2003
Posts: 20,322
Likes: 248
From: Summerland B.C. Canada
With the key on, the ECM should run for a couple of seconds and then turn off till the ECM gets feedback from distributor.
I would look for a problem in fuel pump relay and oil pressure switch, first.
I would look for a problem in fuel pump relay and oil pressure switch, first.
Thread Starter
Racer
Joined: May 2002
Posts: 266
Likes: 0
and where is the oil pressure siwtch????
sorry for too many questions!
Le Mans Master
Joined: Sep 2006
Posts: 6,050
Likes: 147
From: Phoenix AZ
2021 C4 of the Year - Modified Finalist
fuel pump
1. fuel pump relay is located to the right of the brake booster on the fire wall.
2. the oil pressure switch is under the distributor at the back of the block (L98)
2. the oil pressure switch is under the distributor at the back of the block (L98)
Le Mans Master
Joined: Aug 2000
Posts: 8,838
Likes: 31
From: Australia
What year?
On the early models before the weather pak connectors the insulation comes off the wires in the relay plug and short out.Had the same pump run problem with mine.
Direct connection to the pump.
As stated above the only two places where a direct feed can get to the pump.
As a note , all the oil pressure switches I have seen go bad ; go open circut , not closed.
On the early models before the weather pak connectors the insulation comes off the wires in the relay plug and short out.Had the same pump run problem with mine.
Direct connection to the pump.
As stated above the only two places where a direct feed can get to the pump.
As a note , all the oil pressure switches I have seen go bad ; go open circut , not closed.
Thread Starter
Racer
Joined: May 2002
Posts: 266
Likes: 0
mmm sounds good to me cause i don't want to take off the superram to check the injectors,mine is a 91,i will check today the relay and the oil switch and then i will come back to see if was the problem!!
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Thread Starter
Racer
Joined: May 2002
Posts: 266
Likes: 0
,and seems to someone plug a wire from one pin to the fuse that says "INJ 2" on the fuse panel,i don't know the reazon,i think the relay was open i took off that wire that someone plugs the for a reazon,and i placed the new relay there,and the fuel pump does the normal job,around 1 second running when i place the key in the ON Position.
Weird cable to the fuse uh?
