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1999 Ford Escort clinder 3 misfiring

Tiny
CAROL1562
  • MEMBER
  • 1999 FORD ESCORT
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
Hi hope yous can help real upset. I have ford excort 1999 engine light was on had codes read I replaced oxgen sensor one idle air control value too now it comes up ozgen sensor and clinder 3 misfiring. Cars running terrible bucking and stuff please help me
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Thursday, August 20th, 2009 AT 12:26 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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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Thursday, August 20th, 2009 AT 12:50 PM

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