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  1. #1

    Tach. on 2008 F-15X

    My tach on mid range use flashes full bar from 2500 and down then switch over to 2500 to max tach reading, and alternating for about 5 seconds then operates proper again.

  2. #2


    Are you getting any type of error codes after the rpm flashing, on the 12's they will usually surge then run fine or go into limp mode, throwing error codes.

    H20 Xtreme Inc

  3. #3
    No codes or drivability problems. No codes or any other issues. Want to try get it fixed before warranty is up on Aug 8/09.

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