1994 XJ Check engine light, runs rough

Tiny
JEEPGUY2
  • MEMBER
  • 1994 ALL OTHER MAKES ALL OTHER MODELS
My buddy has a 1994 XJ with a 4.0L engine,
I have tried to get the codes from the pcm by
cycling the key. I think it a 13 which is little or no
change in MAP sensor signal between key on engine off, and idle. Would a bad Map cause the engine to
not start or Idle extremly rough,

any Ideas?
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Monday, November 27th, 2006 AT 4:54 PM

1 Reply

Tiny
DAVE H
  • EXPERT
Yes. Replace the MAP sensor
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Wednesday, January 6th, 2010 AT 4:53 AM

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