1998 Chevrolet Venture Repair Question
1998 Chevy Venture rough idle
1998 Chevy Venture 6 cyl Front Wheel Drive Automatic 120000 miles
what could cause the motor to rough idle besides the coil packs and plugs/ wires
Do you have a check engine light and when was your last major tune-up??
The following below could cause it
1.Defective spark plug
2.Inadequate spark/coil,defective spark plug wire.
3.Lack of compression
4.False air leakage.
5.Faulty fuel injectors.
6.Insufficient fuel pressure.
8.EGR valve that is leaking.
10.Throttle position sensor.
11.Idle air control valve.
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