2000 Chevy Blazer

Tiny
AMERICANPRIDE_02
  • MEMBER
  • 2000 CHEVROLET BLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 127,000 MILES
My blazer is miss fireing what is the problem I changed plugs, wires, dist cap, and dist rotor
Sunday, September 12th, 2010 AT 5:28 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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Sunday, September 12th, 2010 AT 7:51 PM

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