Durango dying

Tiny
NINA.S.STEINMETZ
  • MEMBER
  • 1998 DODGE DURANGO
  • V8
  • 4WD
  • AUTOMATIC
  • 120,000 MILES
My 1998 Dodge Durango is dying when we are at low speeds. We have taken it to someone local who has had us add oil and put something in to get water out of fuel lines. The check engine light is off and everything else is normal. What should our next step be?
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Friday, November 19th, 2010 AT 2:33 PM

4 Replies

Tiny
DOCFIXIT
  • EXPERT
Suspect Idle Air Control rear of throttle body. Maybe able to remove and clean see if that helps.
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Friday, November 19th, 2010 AT 2:47 PM
Tiny
DOCFIXIT
  • EXPERT
Suspect Idle Air Control located rear of throttle body
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Friday, November 19th, 2010 AT 2:48 PM
Tiny
NINA.S.STEINMETZ
  • MEMBER
Thank you.
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Friday, November 19th, 2010 AT 2:56 PM
Tiny
ERNEST CLARK
  • EXPERT
Unfortunately, I couldn't give you an accurate diagnosis with so little information. However, from my experience, there are two most common causes for this issue. Number one is a leaking Fuel Pressure Regulator. Two is a faulty MAF/MAP sensor. Now keep in mind, there's other possible causes, such as: vacuum leak, clogged fuel filter (least likely), leaking fuel injectors, and the list goes on.

The best, but most costly, way of diagnosing your problem is to have a technician use a capable scanner to do a "live" driveability test while watching the data stream from your computer and sensors.

I know this is something you want to avoid. But consider this: If there's no check engine light or codes stored in your computer, then you'll have to test each system (ignition/fuel) and sensors one at a time. If you aren't an experienced technician, this'll take you many man-hours and you still might not find the problem.

Also, if you replace parts in an attempt to hunt the problem down, you'll have wound up spending more money this way with the possibility of not fixing the issue, than if you just paid a tech to do it right the first time.
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Friday, November 19th, 2010 AT 3:19 PM

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