ROUGH IDLE PINGS AND KNOCKS WHEN REVVED

  • Tiny
  • Anonymous
  • 1994 Pontiac Grand Am
  • 285,000 miles

Rough idle pings and knocks when revved

Wednesday, December 5th, 2012 AT 4:03 AM

1 Reply

  • Tiny
  • Docfixit
  • Expert
  • 18,993 posts

Have EGR checked and engine compression

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Wednesday, December 5th, 2012 AT 1:34 PM

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