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2000 Chevy Express

Tiny
WANWY
  • MEMBER
  • 2000 CHEVROLET EXPRESS
  • V8
  • 2WD
  • AUTOMATIC
  • 180,000 MILES
Engine miss every time u start no power after while runs good I change fuel pump air flow meeter idle speed control spark plug and wires egr valve I have 55 pounds fuel pressure with new fuel pump to new fuel filter to
Saturday, March 20th, 2010 AT 8:20 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 9:01 PM

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