MY FORD FOCUS IS MISFIRING ON CYLINDERS 1 AND 4 I HAVE CHANGED THE COIL PACK BUT NO JOY PLEASE HELP

  • Tiny
  • Hutch9449
  • 2003 Ford Focus
  • 80,000 miles

Spark plugs were also changed 3 months ago

Saturday, February 4th, 2012 AT 5:12 PM

1 Answer

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,315 posts

Check to make sure the injectors are firing properly and check compression in the affected cylinders.

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Saturday, February 4th, 2012 AT 5:33 PM

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