Question about 2002 Dodge Ram Maxi

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2002 ram 1500 changed all spark plugs and 2 coils in which the codes said change,but truck still runs rough and radom misfire codes still come up.what is this?

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This could be many different things as this is one of the hardest codes to pin down.  I will list them and you can check the ones off you have already done and try the others:

  1. Replace plug wires
  2. Fuel Filter
  3. Bad ignition module
  4. Bad ECM
  5. Fuel injectors need to be professionally cleaned
  6. Bad Catalytic Converter
I would start at the top of the list and work your way down.  Hope this helps.  Let me know if I can help with anything else.  Thank you for a honest rating and for using FixYa!

Posted on May 19, 2009

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Posted on Jan 02, 2017

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