Mechanics

CHEVY ROUGH IDLE

1990 Chevrolet Corsica

Engine Performance problem
1990 Chevy Corsica 4 cyl Front Wheel Drive Automatic 39000 miles

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
Avatar
Coolcars
April 14, 2010.




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)

Legitimate007
Apr 14, 2010.


AD