1990 Chevy Corsica Rough idle

1990 CHEVROLET CORSICA
39,000 MILES • 4 CYL • FWD • AUTOMATIC
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COOLCARS
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custmore driving and car stalled..towed to shop put plugs in the car and started but runs terribly rough..put a ignition module on ruan the same.Kinda sounds like exhuast is plugged.....Any ideas
Apr 14, 2010 at 5:43 AM
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LEGITIMATE007
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that is possible, but I would check the egr valve could be stuck or clogged, (clean it first before putting new), then I would check the mapp sensor could be clogged or just no good(beyond cleaning)
Apr 14, 2010 at 9:09 AM