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Engine runs rough

Tiny
VIPER58
  • MEMBER
  • 1995 CHEVROLET SILVERADO
  • 185,000 MILES
Ist starting up or in passing gear, sounds like the motor is going to blow. It's always sounded like this. Anything I can do to quiet the enginedown and not run so rough?
Wednesday, January 11th, 2012 AT 4:04 AM

3 Replies

Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Check for vacuum leaks. Check and clean the EGR and IAC, if so equipped. Run a bottle of fuel system cleaner through the tank. Check and clean, or replace the plugs, cap, and rotor. Measure resistance on the plug wires. Check compression.
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Wednesday, January 11th, 2012 AT 4:33 AM
Tiny
VIPER58
  • MEMBER
  • 2 POSTS
Thanks for the help. I was also told the engine, (5.7), was a faulty engine that year and a couple more years. Ex, piston size too small, piston slap. Any validity to that one. Thanks again
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Thursday, January 12th, 2012 AT 3:11 AM
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
I've never heard that one.
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Thursday, January 12th, 2012 AT 4:11 AM

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