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knocking after tune

1856 Views 47 Replies 14 Participants Last post by  Grabber523, 
dumps
has anyone encountered this problem? after i installed my kb tune i needed to change back to stock, and after reinstalling the kb tune back in i have a severe misfire / knock. after this i sent the sct back to kenne bell, they said everything was fine with the tune and even sent me a new sct. the car still sounds like a jackhammer but will not display a code. any ideas?
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TheUNZippee!
Sounds like the timing is way off. I would keep after them for more help.
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TheUNZippee!
Did you try disconnecting the battery for 15 minutes, and then starting from scratch again? I haven't done this myself, so I don't know if it holds any truth, but I've seen other guys saying that doing so resets things in the PCM.

It's worth a shot for what it takes to disco the battery for 15 minutes.
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TheUNZippee!
Best of luck with her dumps. Bring that baby back and let's see some pictures of the finished product. :)
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