1997 Jeep Cherokee

Tiny
WILLRAE
  • MEMBER
  • 1997 JEEP CHEROKEE
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 118,000 MILES
The trouble code reads p1391 and reads manufacturer controlled ignition or misfire. What do I replace to correct this?
Friday, December 31st, 2010 AT 1:58 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 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)
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Tuesday, January 25th, 2011 AT 2:05 AM

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