Question about 2005 Dodge Magnum

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05 Dodge Magnum new long block

05 Dodge Magnum w/ 5.7 Hemi When I take off from a start with medium to heavy acceleration the engine seems to run RICH from the start and as it gets up to speed the engine seems to switch from RICH to LEAN and I get either a bad Gas knock or a bad ignition knock. Does anybody know anything about and what I could do to fix

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  • Michael Masters
    Michael Masters May 11, 2010

    Any tapping coming form the valves?

  • Michael Masters
    Michael Masters May 11, 2010

    Seems to be a malfunctioning PCM. are you seeing any smoke coming out the pipe during acceleration?


    Dose the engine shake the body of the car during idle?

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  • Master
  • 721 Answers

Might be a bad mass air flow sensor. Need a little more info. I am a crysler master tech so give a bit more info,plz

Posted on Jun 21, 2009

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