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2000 Dodge Durango surge

Tiny
RIVERBOAT
  • MEMBER
  • 2000 DODGE DURANGO
  • V8
  • 2WD
  • AUTOMATIC
  • 13,000 MILES
Engine surges at idle and hwy speeds up then down
Wednesday, February 11th, 2009 AT 2:26 PM

5 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
IT sounds like a throttle position sensor (TPS) of a Idle Air Control Valve (IAC). Is the check engine light on?

Joe
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Monday, February 16th, 2009 AT 1:35 PM
Tiny
RIVERBOAT
  • MEMBER
  • 3 POSTS
Joe; TPS, MAPS, are new parts. Ck engine light does not come on. Used code analizer-showed no codes, then erased codes.
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Monday, February 16th, 2009 AT 5:12 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi:
Have you checked fuel pump pressure? Is power normal other than the surge?
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Monday, February 16th, 2009 AT 5:34 PM
Tiny
RIVERBOAT
  • MEMBER
  • 3 POSTS
Yes I have, and presure is normal
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Monday, February 16th, 2009 AT 5:38 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
If the electrical end is good and fuel pressure is good, the only things left are a vacuum leak or catylatic converter may be plugging. Have you checked for these problems?

Joe
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Monday, February 16th, 2009 AT 6:38 PM

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