Backfiring

1988 CHEVROLET CAMARO
75,000 MILES • 6 CYL • 2WD • AUTOMATIC
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WHITE88CAMARO
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88 Camaro had a complete tuneup. It backfires & stumbles when going up a hill
Jul 22, 2011 at 3:08 PM
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DOCFIXIT
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Did this happen after tune?
Jul 22, 2011 at 3:19 PM
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WHITE88CAMARO
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Yes
Jul 22, 2011 at 3:21 PM
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DOCFIXIT
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What was replaced?
Jul 22, 2011 at 3:28 PM
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WHITE88CAMARO
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plugs,wires,cap & rotor plus timing set
Jul 22, 2011 at 3:33 PM
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DOCFIXIT
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Timing set you mean chain and gears? if yes marks dead on? check firing order and wire routing original position. Is coil in DIST cap or external?
Jul 22, 2011 at 3:46 PM