1993 Pontiac Firebird Repair Question
Topics covered: Engine, Fuel pressure, Stumble.
Mileage: 172,000 miles.
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
Answer
Replied on February 10, 2013
too low. you need to replace the pump.
Roy
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