2001 BMW 320D engine missfire

2001 BMW 320D
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MUHAMMED ALI BUTT
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Engine Mechanical problem
2001 BMW 320D 4 cyl Two Wheel Drive Manual

what are the symptoms of engine missfire and i have read that if there is a missfire then whole car including engine will viberate very strongly is that true
Jun 4, 2010 at 9:31 AM
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RASMATAZ
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Engine running rough or misfiring can be cause by the following-inspect and test all the following below:
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.
7.Contaminated fuel.
8.EGR valve that is leaking.
9.Oxygen sensors.
10.Throttle position sensor.
11.Idle air control valve.
Jun 4, 2010 at 9:55 PM