ENGINE KNOKING,VIBRATING

  • Tiny
  • mohammed salim
  • 2008 Hyundai Accent
  • 150,000 miles

Respected Sir, when I start my car engine vibrate and engine not run smooth at 900rpm but in 11,000rpm engine run smooth what is the problem iam unabel to understand hopping a best solution from your side, waiting for your reply.

Thanking you,
Yours faithfully mohammed salim.

Wednesday, September 28th, 2011 AT 11:38 AM

1 Answer

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,287 posts

Check for vacuum leaks. Check for issues with the idle air control valve. If the check engine light is on, have the computer scanned to identify trouble codes.

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Wednesday, September 28th, 2011 AT 12:23 PM

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