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Power FC HELP! Power fc install now mph in sync with tach

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Old 10-14-17, 06:11 PM
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HELP! Power fc install now mph in sync with tach

Anyone know what the deal could be? After I installed my power fc my mph sits a 20mph while sitting still.... I reinstalled my stock one and have no problems
Old 10-14-17, 11:14 PM
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Anyone?
Old 10-16-17, 03:23 PM
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No one has ever heard of this issue before?
Old 10-16-17, 04:45 PM
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Sorry man..Rules are Rules and you keep bumping when you are not allowed to Bump threads in this section.(See Rules Stickied above in this New Member's Tech section)
There is a whole PFC section you can ask about or research this problem,so Kindly use feel free to use it.This is a specialized kind of problem that they are more familiar with and this section is for basic "stock type" car problems.
Good luck to ya.

Further Edit:This Thread is now COPIED and IN the PFC section..again good luck to ya
Old 10-16-17, 05:32 PM
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My apologies man. Didn't realize I couldn't do that. Thank you for putting this in the correct section!
Old 10-16-17, 06:11 PM
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Is this a used or new PFC?
Old 10-17-17, 06:10 AM
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Originally Posted by cewrx7r1
Is this a used or new PFC?
it was a used one. Correct serial numbers and model and also cleared the commander back to its original settings before starting car
Old 10-17-17, 07:16 AM
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I have seen this problem posted, but I have never seen anyone post a solution. The there is a tach signal at pin 2B, try depinning that wire from the connector. This way if the problem is not solved you can just reinstall it.




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