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1996 Chevy Cavalier misfiring

Tiny
CHRIS29
  • MEMBER
  • 1996 CHEVROLET CAVALIER
  • 4 CYL
  • FWD
  • MANUAL
  • 198,000 MILES
The whole top end of my engine which is the 2.4 4 cylinder has been rebuilt by a certified mechanic. Still the car is misfiring from cylinders 1 and 4. Could this be caused by the engine control computer? Need help here. Can not figure it out
Saturday, March 20th, 2010 AT 5:42 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Engine running rough or misfiring can be cause by the following-inspect and test all the following below:
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.
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Saturday, March 20th, 2010 AT 6:11 PM

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