2001 Infiniti Q45 Repair Question
2001 Infiniti Q45 missing
2001 Infiniti Q45 V8 Two Wheel Drive Automatic 150000 miles
engine missing changed spark plug wires still missing ,could it be a coil or injectors
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.Manifold absolute pressure sensor
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