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1993 Pontiac Firebird Repair Question


Topics covered: Engine, Fuel pressure, Stumble.
Mileage: 172,000 miles.

Asked on February 10, 2013

Pontiac Firebird Engine Problem

It stumbles on hard acceralitons i checked the pressre with the key on it is 10 lbs the book said it should be 41 to 47 lbs with the engine runnig it should drop 3 to 10 lbs it has 34 lbs when engine running i did change the fuel filter thanks
Avatar Asked by camaro1981

Answer

Replied on February 10, 2013

too low. you need to replace the pump.

Roy

Tiny Answered by ASEMaster6371 (expert)
24,845 answers provided
Replied on February 10, 2013

i drove the car with fuel pressure reg no vaccum goin to it the fuel pressure was higher but it still stumbles i just want to figure out what for sure is wrong with so i can get it fixed

Tiny Response from camaro1981
1 question asked