ROUGH IDLE

2005 Audi A4

Tiny

cnichol46

March, 9, 2011 AT 6:44 PM

I have a 2005 Audi A4 and it is idling rough. When idling it almost has a slight rattling sound, I have heard that sound in other cars especially German ones. What does it possibly mean?

FOUND 2422 RELATED QUESTIONS

1 Answer

Tiny

rasmataz

March, 18, 2011 AT 2:25 AM

Engine running rough or misfiring can be cause by the following:

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-

Please login or register to post a reply.

Cylinder Head Valve Job Guide
Vacuum Leak Test and Repair - All Cars
Fuel Injector Replacement Ford 5.4L V8