Runs rough

Tiny
TIM KIRBY
  • MEMBER
  • 1994 SATURN SPORT COUPE
  • 4 CYL
  • FWD
  • MANUAL
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.
Thursday, November 18th, 2010 AT 6:36 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
https://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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Thursday, November 18th, 2010 AT 6:37 PM

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