badasskylark Posted August 10, 2002 Report Share Posted August 10, 2002 This 87 firebird has the 2.8 mpfi auto but anyways its got a miss to it what could be causing it any help would be appreciated. it only has 69k on it Quote Link to comment Share on other sites More sharing options...
Guest 614Streets Posted August 11, 2002 Report Share Posted August 11, 2002 Fuel Filter , broken vacuum line , cap or rotor. The firing order on it is 123456 and the front passenger side is #1 if you want to check the cap. Quote Link to comment Share on other sites More sharing options...
SamZman Posted August 11, 2002 Report Share Posted August 11, 2002 It could be many things.. You may want to check the spark plugs and wires first.. Quote Link to comment Share on other sites More sharing options...
Guest DarkSVT Posted August 11, 2002 Report Share Posted August 11, 2002 If you have access to a garage, start your car in the dark and see if you can see if the spark is arching off anything. Spray the wires with a mist of water. If you see no arching, then check the plugs, cap and rotor for any burnt spots or fouled plugs. If the plugs, cap and rotor are fine, then check your timing. If the timing is fine, it could be your computer or a bad fuel injector. Also don't rule out those sensors. Go to a autozone and get a code scanner and see what kind of codes it returns. Quote Link to comment Share on other sites More sharing options...
Mericet Posted August 13, 2002 Report Share Posted August 13, 2002 The things above is good advise to check first. A good to place to get more advise is www.thirdgen.org Try the V6 or General tech areas. Quote Link to comment Share on other sites More sharing options...
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