ROUGH IDLE

2002 Nissan Sentra

Tiny

zelldog93

May, 23, 2011 AT 11:16 PM

What would cause a car to have a rough idle at a stop only when it is in gear?

FOUND 2422 RELATED QUESTIONS

3 Answers

Tiny

rasmataz

May, 25, 2011 AT 6:12 AM

Check the idle air control valve -auxillary air control

Tiny

zelldog93

May, 25, 2011 AT 2:56 PM

Just replaced it and it wasnt the problem I have had the problem for a while and I have replaced a few things and just got the head gasket replaced with new timing chains and everything for timing

Tiny

rasmataz

May, 25, 2011 AT 8:42 PM

http://www.2carpros.com/articles/engine-misfires-or-runs-rough

1.Defective spark plugs
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
12.Mass Airflow Sensor
13.Idle air control valve

Note: If it doesn't apply disregard it-

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