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1998 Dodge Dakota understanding codes.

Tiny
BUDDY SUMNER
  • MEMBER
  • 1998 DODGE DAKOTA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 120,000 MILES
My vehicle runs poorly. It sometimes backfires and hard to start. But it will run. Done tuneup, changed map sesor, distributor, changed crank sensor and I get different answers everywhere I go. Can some one help me codes are present now. Po320-ignition/dist. Engine speed input ckt malfunction. And p1391-itermittent loss of cmp or ckp.
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Tuesday, January 12th, 2010 AT 10:43 AM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Welcome to the forum, I'd have to checks the circuits to and from the cam and crank sensors. I'd also have to check that the cam and crank sensor are in sync with each other. At the least, you need a scanner that will show live engine data, that has a sync pid. If you want to check, ref votage-- signal-- ground at the sensors, I'll help you with that, but, you have to do the testing.
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Tuesday, January 12th, 2010 AT 11:51 AM

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