Question about 1999 Dodge Ram 2500 4WD

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Rough idle and generally running terrible!

Just bought a 1999 Dodge Diesel 2500. The injector pump looks to be new. The problem I am having is rough idle and generally running terrible. Also when engine is running it seems to smoke really bad and a smell of diesel fuel is really bad at tail pipe. Looks like nothing else has been changed still seems to have and old transfer pump in place since it is all greasy. I have not checked the fuel filter. Engine starts up everytime. Any advise would be appreciated. Stemmer.

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  • bastemmer May 23, 2009

    How do I know if the timing is off? How do I adjust the timing? Today I was going to get a fuel pressure guage to check pressure.

  • Anonymous Mar 13, 2014

    after removing bad a/c pump,check engine lite is on and code po108 appers and truck runs rough

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  • Dodge Master
  • 14,036 Answers

If idling rough sound like air in system.and your injection pump timing is off.

Posted on May 23, 2009

  • Jonah Oneal May 23, 2009

    your cummins diesel engine need a tune up .your injectors sound stop up .their spray pattern not right to atomize fuel to burn right.causing rough idling.and smoking your injector timing and valve adjustment .have to be done at a garage you need certain tools to work on diesel engines. what i would do replace transfer pump.and fuel filter first to make sure all air is out of system.that the cheapest way.because a tune up is expensive.BESURE TO WEAR EYE PROTECTION WHEN WORKING ON DIESEL ENGINE.DIESEL FUEL IN EYE CAUSE DAMAGE TO EYES.

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