1996 Ford Explorer engine eratic idle

Tiny
SKIP48
  • MEMBER
  • 1996 FORD EXPLORER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 175,000 MILES
Engine seems to idle ok when started but after it warms up idles rough. Computer shows # 6 cylinder miss fire. But plug is firing.
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Thursday, September 17th, 2009 AT 4:19 PM

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Tiny
RASMATAZ
  • MEMBER
Specific cylinder misfire-you should check the sparkplug, compression and injector for hat cyl.

Engine misfiring can be caused by worn or fouled spark plugs, a weak spark (weak coil, bad spark plug wire), loss of compression, vacuum leaks, anything that causes an unusually lean fuel mixture (lean misfire), an EGR valve that is stuck open, dirty fuel injectors, low fuel pressure, or even bad fuel.
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Friday, September 18th, 2009 AT 5:07 AM

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