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Cavalier Problem Diagnosis Got a problem you can't fix? We can help.
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Old 07-08-2007, 10:37 AM   #1
hanginstu
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2003 Cavalier fuel problems

Hi there, I was driving and stoped a red light and the car stoped 's running. It wants to start but doesn't. I'm sure it's a fuel problem. Here is what I have done so far. I don't hear the fuel pump come on so I checked the relay. There is another relay next to the fuel relay that has the same numbers on it so I put that one in it's place. I checked for a fuze but could not find one. I pulled the gas tank and left it hooked up to see if I could hear it come on. To no avail. I thought it was the fuel pump but now i'm not sure. Does anyone have an idea? Thanks
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Old 07-08-2007, 05:47 PM   #2
Jaysicle
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Re: 2003 Cavalier fuel problems

Fuel filter clogged?

You might know this, since you had enough courage to lower your fuel cell on your own, - the fuel pump will run when the key is turned to the "run" position as well as "start". You will have blower motors, radio avail. etc.
...and the oil pressure lamp will light since the sensors are on, and the oil is not pressured.
Might be a little quieter to hear pump.

The fuel pump should pressurize with key in "run" position. The relay next to the fuel pump is the A/C they are the same Siemens # on my vehicle as well. There is also the 50A IGN fuse at the front of the vehicle in same link compartment to check, but not likely, as car turns over.

Pressure regulator on your model? Silly, but Fuel in fuel cell?

-Jayson-
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