2001 Infiniti Q45 missing

2001 INFINITI Q45
150,000 MILES • V8 • 2WD • AUTOMATIC
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JONESLT53
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  • 1 POST
engine missing changed spark plug wires still missing ,could it be a coil or injectors
Oct 26, 2010 at 5:09 PM
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RASMATAZ
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  • 75,992 POSTS
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.
7.Contaminated fuel.
8.EGR valve that is leaking.
9.Oxygen sensors.
10.Throttle position sensor.
11.Manifold absolute pressure sensor
Oct 26, 2010 at 5:29 PM