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  1. CobraCO

    Intermittant Misfire Help Needed

    Hi all, Not sure if this is tune related are not but any help is appreciated. 2011 GT500 with KB 2.8. Started getting a misfire at transition throttle, usually in the mid 2k RPM range. I find P035x soft and hard codes (Ignition Coil <cyllinder> Primary/Secondary Circuit Malfunction) thrown when...
  2. CobraCO

    Hanging Idle/Limp Home Mode Issues & Superior Customer Service

    2011 GT500 with 2.8 Kenne Bell stage 3 (Twin 75 Throttle Body and Gimme 5 inlet, w/Lund Tune). I have been experiencing hanging idle issues followed by limp home mode/fail safe (wrench light) shortly thereafter. These began in stop and go traffic after a highway or sustained drive and...

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