2001 Chevy S-10 P0133 OBD code

Tiny
THOM430
  • MEMBER
  • 2001 CHEVROLET S-10
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 114,000 MILES
Gettting p0133 code. Changed oxygen sensor and code still comes back. Engine misfires and sputters except during acceleration.
Wednesday, February 17th, 2010 AT 5:25 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.
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Wednesday, February 17th, 2010 AT 5:35 PM

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