What is wrong with 1999 Pontiac firebird/transam...I have done everything I possibly can to get it running back n tip top shape. It is not letting me drive over 40mph even with the pedal to the floor.

Asked by Chelz Aug 28, 2015 at 05:16 AM about the 1999 Pontiac Firebird Trans Am

Question type: Maintenance & Repair

The guy I bought it from said it was the fuel
pump so I bought a new one, that didn't
solve it. I have flushed the fuel lines. Done
everything I possibly no of to do. Help???

4 Answers
540

Joseph answered 8 years ago

Yuck... I'm sorry but you bought a boat, ("b"ail, "o"ut, " a"nother, "t"thousand) there is quite a bit it could be... It could be anything from coil rails to timing sensors,... I know its not the same make or modle but u had to replace the distributor " or equivalent of on a 99 camaro ls1. After I went through "ASE" certified techs they were still stumped... I'd go get your money back under lemon law... If u can... It's a dead weight unless u want to invest thousands

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Paul answered 8 years ago

I would look the crankcase sensor, the catalytic converter also look to see what the fuel pressure is at the rails..

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3,415

Paul answered 8 years ago

check the TPS The position sensor, or the idle position cylinoid I believe it is? Yeah it sounds like the guy stuck you with a bad car I'm sorry.

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