2003 FORD FOCUS SE

  • Tiny
  • squirrel daddy
  • 2003 Ford Focus
  • 4 CYL
  • FWD
  • automatic
  • 105,000 miles

2003 FORD FOCUS 2.0L SOHC SPI RUNS ROUGH at idle and cuts in and out when maintaining constant speed getting codes misfire first 1000revs and misfire cylinder #2 I have replaced plugs and all filters and vacuum lines

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Wednesday, March 23rd, 2011 AT 1:54 PM

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  • Tiny
  • PROTECH1980
  • Expert
  • 928 posts

Does this engine have coils over the plugs? If so try swapping out with another cylinder to see if the misfire changes to another cylinder.

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Wednesday, March 23rd, 2011 AT 9:47 PM

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