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Thread: MPG is crappy

  1. #1
    Grasshopper
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    2001 Dodge Durango SLT

    MPG is crappy

    My 01 Durango has been running crappy and not getting good MPG. I changed the plugs. Still runs bad. Could the EGR valve be bad or just dirty? Any suggestions would help. Thanks

  2. #2
    Durango Expert
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    Very possible,
    Also could be a number of things. The Catalytic converter could be clogged as well.
    Enjoying life as we know it.

  3. #3
    Durango Jedi Don Fox's Avatar
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    2004 Hemi SLT AWD Turned 100K Jan of '17. New engine September 2008 at 39K due to dropped valve.
    How many miles on the Durango, and what mileage are you seeing?

    Don
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    de N8ECH

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    Super Moderator tomk's Avatar
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  6. #5
    Grasshopper OrdieJay's Avatar
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    Check the o2 sensor. Mine is doing the same thing, running crappy and such, so I disconnected it and it runs a lot better. I'll get a new one on order soon.
    2002 Dodge Durango SLT 5.9L V8

    IYAOYAS

  7. #6
    Grasshopper
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    #1problem is 02 sensor #2 intake air temp sensor #3 catalytic converter also on these trucks they had issues with the pcms too check wiring and a few other things too that I can't remember mine is a 5.9 I had faulty O2 sensors but I changed my intake temp sensor first made it run way better then O2 sensors the O2 sensor runs the fuel mixture

  8. #7
    Grasshopper
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    Oh also if u don't know if you have a engine light on you turn the key three times in the on position without starting it at a within a few seconds it will show u the codes on the odometer

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