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| Cavalier Problem Diagnosis Got a problem you can't fix? We can help. |
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#1
11-02-2009, 09:05 AM
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Fuel pump relay grinding
97 with a 2.2 5 speed.something piled up,read codes and ended up changing Crank sensor,Cam sensor and eventually computer.Took it to GM to program it.It still won't start and the fuel pump relay has a fast click in it that almost sounds like it's grinding.If I remove it there is a noise from the ABS that sounds like a small door being slammed shut.Also the cooling fan will start sometimes even when the car is cold.
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#2
11-02-2009, 05:54 PM
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Re: Fuel pump relay grinding
Check for power and ground on terminals 85 and 86. If it's clicking, then you're losing either power or ground. Could possibly be a bad relay too, swap it with another one of the same size.
For the ABS... possibly a ground issue or caused by the voltage spike when the F/P relay is removed. I wouldn't worry about that. The cooling fan will also come on when the A/C pressure exceeds a certain PSI, so if the defrost is on, that's normal.
__________________
'04 Cavalier coupe M/T 2.2 Ecotec Supercharged 14 PSI boost, charge air cooler, 42# injectors Tuned with HP Tuners Poly engine/trans/control arm bushings Self built and self programmed progressive methanol injection system
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