Question about 1994 Pontiac Firebird

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Spits sputters like its missing when u give it to much gas

If u accelart gently on the gas runs fine to much gas spits and misses have changed plugs wires lucas fuel ingecter cleaner its a 94 firebird 3.4 no service light on throwing no coads fuel regulater looks good runs crapy any time under a load help meeeeee

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  • josh frail
    josh frail Jan 12, 2009

    i have not treid a fuel filter yet i did do a fuel pressure test and its gettig 33psi

  • josh frail
    josh frail Jan 12, 2009

    thanu ill try it 2marrow

  • josh frail
    josh frail Jan 13, 2009

    not the fuel filter help help

  • tim teague Mar 11, 2009

    My 1994 firebird 3.4 is doing the same thing.I had a tune up done a year ago new plugs,and wires.ran great untill a week ago,still runs ok if you drive slow! If you give it to much gas it spits sputters,and backfires.Have not change the fuel filter ,i will soon.



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Have you tried the fuel filter?

Posted on Jan 12, 2009

  • Vince Jan 12, 2009

    OK, sometimes when your fuel filter is clogged you will still get good pressure but under load it may stuggle to keep that pressure consistant.Its a cheap fix to change a fuel filter atleast it can be ruled out if its not the cause.Let me know how you go.

  • Britney Ravellette Jan 18, 2012

    My 95 Pontiac Firebird is also doing the same. I have changed the fuel filter and it did not fix the problem. Thinking maybe the injectors are clogged or needs a new fuel pump??



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