1996 Chevy Cavalier misfire

Tiny
AARON YOUNG
  • MEMBER
  • 1996 CHEVROLET CAVALIER
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 103,000 MILES
My car is misfiring. Ive had problems with the coil packs twice before. Its runs smoother sometimes but it only gets about a quarter throttle and then it cuts out. I have a oil leak on the timing chain cover also. Is there any minor tests or sensors I can check.

updated 3-22-2010

96 Chevy Cavalier 2.4 L does it have a nox sensor? The code scanner says the nox # was jumping around at an idle and even with the engine off but ignition on.
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Friday, February 26th, 2010 AT 5:33 PM

4 Replies

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.
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Friday, February 26th, 2010 AT 5:46 PM
Tiny
NODNARBROX
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  • 4 POSTS
The Crankshaft position sensor Check it they tend to go bad on these models its by your coil packs
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Saturday, February 27th, 2010 AT 2:51 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
If you are refering this nox # as the knock sensor it has one its job is to retard ignition timing when it senses detonation/pinging/vibration, Its located on rear side of cylinder block.

Also check the CPS as suggested
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Monday, March 22nd, 2010 AT 6:07 PM
Tiny
RENEGADE65
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  • 29 POSTS
CKP crankshaft position sensor or ICM
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Friday, January 4th, 2013 AT 1:22 AM

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