1991 Mercedes Benz 500sl Repair Question
1991 Mercedes Benz 500sl misfires
1991 Mercedes Benz 500sl V8 Two Wheel Drive Automatic 100000 miles
why does my car misfire only after it is fully warmed up and driven a few miles?
Engine running rough or misfiring can be cause by the following:
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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