Feul Pump on 1999 Pontiac Bonneville

After we replaced the fuel pump on the 99 bonneville. the car only starts when it wants to. What could be the casue of this problem.

by in Fouke, AR on January 19, 2011
2 answers 4 comments
ANSWER by on January 19, 2011
Is it cranking with no start? Have you checked your base fuel pressure?
COMMENT by on January 19, 2011
Yes, and What is the base feul pressure and how do you check it?
COMMENT by on January 19, 2011
An experienced technician with a good manual gauge will be able to check the fuel pressure. Figure low 40's in PSI.
COMMENT by on January 20, 2011
is there a way we can get to the fuel tank thru the trunk of the car?
COMMENT by on January 20, 2011
No, unfortunately, the fuel tank must be lowered from the vehicle.
ANSWER by on July 25, 2011
the fuel pump is not sitting in the tank correctly or try changing the fuel filter under the rear driver door underneath the car near the frame

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