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Fuel pump..sometimes it works, sometimes it won't. Searched with no success..HELP!

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Old 12-11-2011, 08:42 PM
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Default Fuel pump..sometimes it works, sometimes it won't. Searched with no success..HELP!

Info on the car

1998 Acura Integra GSR
stock b20vtec turbo
8psi 300, tuned

Anyhow, recently my car started to act up. One night(30degrees) the car didn't want to start. Noticed that the fuel pump didn't prime(CEL on) but the car turned over.

The next morning, I plugged in a GOOD main relay and the fuel pump primed and car drove normal.

I then took my relay to get re-soldered and took it home and everything was fine again. The next morning(35-40 degrees) I went to warm up the car and noticed the problem was back. CEL on and no prime.

So I checked ALL my fuses and all of them were intact and working.

Later the same day(afternoon 50-60degrees) the car turned on and was normal again. Thinking that maybe taking out all the fuses and putting them back in might've done the trick(loose fuse?)

Anyhow, next morning, SAME EFFIN' deal!!! No prime, CEL on.

So I decide to buy a new relay from Pepboys. Took it home and decided to try my car WITH the old relay(just to see what would happen). What do you know, the damn thing turns on and everything normal:/

Next morning, same deal! No prime, CEL on! Plugged in the new relay from Pepboys and car still doesn't work!

Searched, searched, and searched and said I should check my grounds. All checks out fine.

Seems like the doesn't like working when it's cold out. Any ideas?


Sorry for the essay, but I am out of ideas and thinking that maybe the walbro fuel pump could be going bad? It's about 3 months old. Don't really know the symptoms of one, but i would think that if it were a bad fuel pump, the csr would NOT turn on at all ever.

I REALLY need a car to get to school and work and you guys would REALLY be helping me out by giving me some ideas. It's finals week and I don't need another problem to solve
Old 12-12-2011, 08:31 AM
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Default Re: Fuel pump..sometimes it works, sometimes it won't. Searched with no success..HELP

I notice now, too, that the fuel pump sounds a little weird as if you were sucking liquid through a straw and there's very little left in the cup. Has is about half and the pump always sounded smooth before. Any thoughts?
Old 12-14-2011, 10:26 PM
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Default Re: Fuel pump..sometimes it works, sometimes it won't. Searched with no success..HELP

will be the easiest way to connect the fuel pump for a short time if the car ie telnet to that relay will not work unless the pump ie to telnet to the exchange should also check whether, after turning the ignition switch gets fuel injection in August for injection because it can not work in advance sorry for mistakes but I'm of Polish and says through an interpreter
Old 12-15-2011, 11:39 AM
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fcm
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Default Re: Fuel pump..sometimes it works, sometimes it won't. Searched with no success..HELP

Pull the pump out, easy enough on a G3, the pump may be damaged or fuel line is not connected properly, pull it and inspect it. 94

Last edited by fcm; 12-16-2011 at 04:01 PM. Reason: typo
Old 12-16-2011, 09:41 AM
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Default Re: Fuel pump..sometimes it works, sometimes it won't. Searched with no success..HELP

Probe the harness leading to the pump when the problem is occurring to see if the pump is getting power.
Old 01-07-2019, 09:47 AM
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Default Re: Fuel pump..sometimes it works, sometimes it won't. Searched with no success..HELP

Did you ever solve this? My 2001 ford Taurus is doing the same thing. It did this last winter, summer the car was fine, and now that its winter again i cant get it to start in the mornings.
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