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-

Answered by rasmataz
68 questions asked

Vehicle has new plugs and wires, runs good when cold. It starts to shake when it reaches normal operating temperature. To prevent misfiring I would turn it off at stop lights and restart it when light turns green. If I allow it to idle too long, it will start to misfire and shake.

Response from Lyndon Gordon
3 questions asked

Scan the computer for code/s

Answered by rasmataz
68 questions asked