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rpm fluctuation

  1. Leaking oil and other problems!

    Powertrain
    I have 2005 Dodge Ram 1500 with the 4.7. When I first got the truck, the engine light was on for TPS. Changed TPS. It was good for about a week, then RPM started fluctuating again. It would drive fine for a few weeks, then it would act up. No power on acceleration, jerking when shifting, etc. I...
  2. 2008 4.7 idle @500rpm and random misfire code

    4.7L PowerTech V8 Specific Topics
    About a week ago my check engine light came on. Went home and hooked up the code reader and the code was p0300, random misfire. So I replaced all of the lower bank plugs with news ones from the dealership. Code went away but now it's idling @ 500 instead of the normal 600 and its fluctuates...
  3. Front clunking and rpm fluctuation

    5.7L V8 Specific Topics
    Looking for some help: trying to fix the front end clunking that could be caused by Sway bar end links gone bad. Any thoughts for other ideas, please let me know. Is it normal for the RPM's to fluctuate while traveling down the interstate (normally from 1700 to 2000). Do i need to do a...
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