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2007 Dodge Ram 1500

Question: check engine light is on

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brother2911, 4.7L V8, Kansas City, MO, March 18, 2010, 11:33

 Rookie

i put my truck on the computer a advance a auto parts and it says my nuber 4 cylinder is missfirig. I replaced all the plugs and i changed the boot on the cyinder that had the missfire. I also have put some of that cheveron cleaner in my tank but th

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• Answer #1

  Bret Bodas March 18, 2010, 16:41
  

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  You still may have an issue with the cylinder, I suggest performing a compression check before replacing any other parts.
  Here is some info on the p0304 code you are getting: http://repairpal.com/OBD-II-Code-P0304
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• Answer #2

  Visitor, March 23, 2011, 13:49

  dont replace the boot - ohm test the wire for resistance - replace the wire and possible coil
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