1995 Chevy Astro stalling

Tiny
MIKE1122
  • MEMBER
  • 1995 CHEVROLET ASTRO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 105,221 MILES
Had a complete tune up. Engine runs rough, sometimes stalls. It runs way better with the a/c on.
Monday, May 17th, 2010 AT 7:02 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.
11. Idle air control valve.
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Monday, May 17th, 2010 AT 10:42 PM

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