1996 Chevy Silverado misses badly

Tiny
ANDREWRAYMER
  • MEMBER
  • 1996 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 190,000 MILES
Hey I just replaced the spark plug wires and made sure the spark plugs had proper gap and looked good and they did so I made sure the wires were in the right place one wire at a time well it still misses really bad I don't know why but it just wot run without the miss but it idles fine
Tuesday, October 26th, 2010 AT 5:37 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. Manifold absolute pressure sensor
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Tuesday, October 26th, 2010 AT 5:38 PM

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