I have a 1990 firebird that when you apply the gas it hessitates and backfires . Not sure where to go from here? help
Dec 27, 2008 at 9:01 AM
1990 Pontiac Firebird no power
1990 PONTIAC FIREBIRD
84CORJOB
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lEngine lacks power... See one of the following: 1.) Incorrect ignition timing. 2) Fuel filter clogged and/of impurities in fuel 3) Faulty or incorrect gapped spark plugs. 4) Air filter dirty. 5) Spark timing control system not working properly. 6) Faulty ignition coil(s) 7) Brakes binding. 8) Auto Trans fluid not correct 9) faulty distributor cap or wires 10) EGR system not functioning properly. 11) Use of sub standard fuel. 12) Low or uneven cylinder compression pressures 13) Air vacuum leak at intake manifold or plenum
backfire...EGR system, ignition timing, vacuum leak, intake air leak, damaged valve springs or sticky valves.
backfire...EGR system, ignition timing, vacuum leak, intake air leak, damaged valve springs or sticky valves.
Jan 17, 2009 at 9:56 PM