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1989 Chevy Corsica running rough

Tiny
JEFFREYANDSANDI
  • MEMBER
  • 1989 CHEVROLET CORSICA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 140,000 MILES
Have changed plugs, wires, temp sensor, car runs extremely rough and has hardly any power, someone suggested o2 sensor. Wouldnt start at all at first died while driving changed temp sensor starts but like I said runs extremely rough and has hardly any power any suggestions
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Friday, July 23rd, 2010 AT 5:04 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Engine running rough or misfiring can be cause by the following:

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. Idle air control valve.
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Friday, July 23rd, 2010 AT 9:04 PM

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