1997 jeep cherokee

1997 JEEP CHEROKEE
118,000 MILES • 6 CYL • 4WD • AUTOMATIC
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WILLRAE
  • MEMBER
  • 6 POSTS
the trouble code reads p1391 and reads manufacturer controlled ignition or misfire. what do i replace to correct this?
Dec 31, 2010 at 1:58 AM
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JACOBANDNICKOLAS
  • CERTIFIED EXPERT
  • 110,175 POSTS
You are loosing signal from the crankshaft or camshaft sensor. Check for wiring issues. Chance are if the wiring is good, one of the sensors is the problem (usually the crankshaft sensor)
Jan 25, 2011 at 2:05 AM