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2004 Dodge Truck diesel engine idles rough in drive, not on

Tiny
EALGARCIA
  • MEMBER
  • 2004 DODGE TRUCK
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 195,000 MILES
Engine idles rough while atop on light etc. It appears that RPM drops below 600 and than surges to 1000RPM. Rough stating when cold.
Trucks runs normal in high way at normal speed
roguh in city driving.
Wednesday, March 3rd, 2010 AT 8:42 AM

1 Reply

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Any smoke? Could be an injector that is going bad and wont work well at low engine speeds. Definitly want to find a Diesel shop and have them look at it, those engines dont like having mixture issues, it does internal damage
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Monday, March 8th, 2010 AT 6:53 AM

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