Misfire, Backfiring

Asked by Mar 21, 2009 at 10:27 PM about the 1987 Chevrolet Cavalier

Question type: Maintenance & Repair

Chevy Cavalier RS 2.2 litre I4

Comes and Goes In Random spurts every couple of days give or take, but it will start spitting and sputtering engine will sounds like a bag of pop corn in the mic. with the occasional back fire, tried changing the plugs and wires, put in a new fuel filter, was thinking of going on to the coil packs...but wasnt sure if i should go for that next any other ideas would be appreciated

3 Answers

15

was it ever in a flood? Could be electrical, or in the ecm

1 out of 1 people think this is helpful.
6,965

possible timing problem or perhaps a lack of back pressure from the exhaust system.

105

well i have one come into the garage that did that and it was the O2 sensor, i would of never thought that but it was. and cav are famous for the coils and ignition module so good luck

1 out of 1 people think this is helpful.

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