MISFIRE DIAGNOSIS

2002 Nissan Almera

Tiny

gillian aspinall

August, 16, 2010 AT 6:46 PM

Engine Mechanical problem
2002 Nissan Almera Two Wheel Drive Manual 45661 miles

A malfunction light stays on. Garage diagnosis engin misfire, but they do not know why and say they have to drive the car to see when it happens. I said the car shudders slightly before the malfunction light came on

FOUND 2124 RELATED QUESTIONS

Mis Fire -

17 ANSWERS
11 IMAGES

1 Answer

Tiny

rasmataz

August, 16, 2010 AT 6:54 PM

Engine running rough or misfiring can be cause by the following: Defective spark plug.
Inadequate spark/coil, defective spark plug wire.
Lack of compression
False air leakage.
Faulty fuel injectors.
Insufficient fuel pressure.
Contaminated fuel.
EGR valve that is leaking.
Oxygen sensors.
Throttle Position sensor
Idle air control valve

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