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2003 Other Dodge Models wont stay running

Tiny
JCOOPJR16
  • MEMBER
  • 2003 DODGE
  • V8
  • 4WD
  • AUTOMATIC
  • 147,745 MILES
I have a 2003 dodge pickup R2500, 5.7L 4 x4 with 147745 miles. Last 9 VAN. # 33G762597.

Truck starts but won’t stay idling. If I keep it at 3000rpm, it will stay running clean. I’ve scanned it and came up with Nemours codes, none of which saying there’s a misfire. I’ve replaced the throttle body and hade the ECM flashed. Still the same problem. What direction should I go at this point.

Jack Jr.
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Friday, April 9th, 2010 AT 9:50 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the idle air control valve, EGR valve and PCV valve and test the throttle position sensor, also look for vacuum leaks.
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Friday, April 9th, 2010 AT 4:14 PM
Tiny
JCOOPJR16
  • MEMBER
  • 2 POSTS
Well we did all the standard checks and then I decided to do a compression check, we found # 8 cylinder was dead to my surprise. I'm now in the process of tearing it down to see what went wrong. I do believe we have a burnt valve. It's just funny how the truck ran perfect at over 3000 RPM. I hope this may help in further issues.

Thanks Jr. Chesapeake Auto Repair
Centreville MD.


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Monday, April 12th, 2010 AT 7:03 AM

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