2000 Ford Escort misfiring

2000 FORD ESCORT
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TODD PORTER
  • MEMBER
  • 1 POST
Engine Performance problem
2000 Ford Escort 4 cyl Front Wheel Drive Automatic

I've been helping my son in law repair his 2000 escort zx2. It has a bad misfire at idle, when driving it will barely go faster than 20-25 mph. We replaced the plugs, wires and ignition pack with no positive results. I've looked online and see this could be a common problem with these cars, but I've never seen a solution posted on the various message boards. I really don't want to try the trial and error method as it can be expensive with no positive results, and we aren't rich. Please advise.
Sep 21, 2008 at 9:01 PM
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BMRFIXIT
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 19,053 POSTS
Well you need to determine which cylinder that is misfiring
you can do so by scanning for codes

have a compression test on that cylinder
check injector too

check exhaust back pressure
Sep 21, 2008 at 9:15 PM
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