IN GEAR IHAVE 6500 RPM AND MISSES

2000 Saturn Station Wagon

Tiny

williammoo

December, 17, 2011 AT 8:14 PM

Ruff changed o2 and tps

FOUND 4250 RELATED QUESTIONS

1 Answer

Tiny

rasmataz

December, 17, 2011 AT 8:18 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

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