I have a check engine light on

Tiny
ANONYMOUS
  • 1998 DODGE RAM
  • 140,000 MILES

I am getting this code P1391? What does it mean?

Thursday, March 21st, 2013 AT 6:39 AM

1 Reply

Tiny
CARADIODOC
  • EXPERT
  • 28,976 POSTS

P1391 Intermittent Loss of CMP or CKP

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Thursday, March 21st, 2013 AT 6:56 AM

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