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1998 Ford Escort Cylinder 4 misfire

Tiny
JEFFLOVE87
  • MEMBER
  • 1998 FORD ESCORT
  • 4 CYL
  • 2WD
  • MANUAL
  • 121,000 MILES
Ok, I've just recently had my check engine light come on. So, I got it checked and showed a cylinder #4 misfire. I've replaced the plugs, plug wires, coil pack, fuel injector, and each cylinder has the same amount of compression. What else can it be?
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Tuesday, September 16th, 2008 AT 7:43 AM

1 Reply

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Did you reset the PCM
if not you need to do so
light will not go off on its own until a 50 or so key cycle
spark new
compression OK
new coil
]new wire

check injector pulse and injector
check for a vacuum leak that might effect the system
good luck
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Tuesday, September 16th, 2008 AT 9:48 AM

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