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Thread: Rev Limiter Mk4 Coyote TKX

  1. #1
    Junior Member
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    Jun 2023
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    Rev Limiter Mk4 Coyote TKX

    hi, I just finished my Mk4 build with Coyote crate engine and TKX trans with Ford Control Pack included in the kit.

    I just did my road testing. However, it seems that the rev wont go pass 4.000 mark. its the same when it is in stationary, or in motion. I've inspected the speed sensor located in the gearbox, the wires from the speed sensor goes to the dash. It doesnt go to the ECU. i try to locate the ECU Pin for the speed sensor. can anyboody help with the ECU Pin out or what did I do wrong for this case. The ECU I got is pn RMJR3A-12A650-AKA. Any help will be appreciated.

    Thanks

  2. #2
    Senior Member edwardb's Avatar
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    Feb 2011
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    Lake Orion, Michigan
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    I responded to your same post in the Coyote forum area. Factory Five doesn't actively monitor this location. Plus cross posting is discouraged.
    Build 1: Mk3 Roadster #5125. Sold 11/08/2014. Build 2: Mk4 Roadster #7750. Sold 04/10/2017. Build Thread
    Build 3: Mk4 Roadster 20th Anniversary #8674. Sold 09/07/2020. Build Thread and Video. Build 4: Gen 3 Type 65 Coupe #59. Gen 3 Coyote. Legal 03/04/2020. Build Thread and Video
    Build 5: 35 Hot Rod Truck #138. LS3 and 4L65E auto. Rcvd 01/05/2021. Legal 04/20/2023. Build Thread. Sold 11/9/2023.

  3. #3
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    Did you get a coyote tune on your engine? If not, that maybe your issue

  4. #4
    Junior Member
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    Quote Originally Posted by Sharris2 View Post
    Did you get a coyote tune on your engine? If not, that maybe your issue
    no i have not done anything yet just done installing everything and do the road test

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