RUNS ROUGH

1994 Saturn Sport Coupe

Tiny

Tim Kirby

November, 18, 2010 AT 6:36 PM

I have 94 Saturn that runs great untill the engine temperture reaches 180 degrees. Then the engine stumbles and races at 3000 rpm or cuts off.

FOUND 4561 RELATED QUESTIONS

Running Rough

27 ANSWERS
34 IMAGES

Idles Rough/changed Ects

37 ANSWERS
3 IMAGES

1 Answer

Tiny

rasmataz

November, 18, 2010 AT 6:37 PM

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

1.Defective spark plug
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

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