Misfire and back fire

Asked by Roxylawson Jun 15, 2018 at 12:46 AM about the 1998 Pontiac Firebird Base

Question type: Maintenance & Repair

Ok have 98 firebird was driving and sometimes goin
up hills it would have little misfire but would stop so
change spark plugs about. 5 days later was driving
it loss power bad misfire and backfire when driving I
check the cool pack the 2/5 was reading little crazy
so bought new one and it’s still doing it plZ help

1 Answer
3,475

Paul answered 6 years ago

Did you change your fuel filter lately? You can check your fuel rail pressure? Might be a fuel delivery problem? Clean out your throttle body ? Seafoam it inside the fuel tank & use it to clean your intire fuel system check U Tube for how to do it.

Mark helpful

Your Answer:

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