ENGINE MIS FIRE UNDERLOAD.

  • Tiny
  • Jaquiray
  • 2001 Hyundai Atos
  • 4 CYL
  • 2WD
  • manual
  • 150,000 miles

Engine mis fire underload with poor acceleration.

Check engine light on.
Replaced spark plugs and replaced HT leads problem still occurs.
Engine idles and starts OK. Engine running at correct temperature.
Air Filter ok not blocked

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Wednesday, December 29th, 2010 AT 9:13 AM

1 Reply

  • Tiny
  • mhpautos
  • Expert
  • 30,561 posts

Get the code with a scan, check injectors and comps, report any codes here for further assistance.

Mark (mhpautos)

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Sunday, January 2nd, 2011 AT 1:17 AM

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