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Thread: S14 ecu/ injector problems

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    S14 ecu/ injector problems

    As titles I have. Uk 1995 s14 and I cannot get the injectors to fire. Ecu was sold to me as a working unit. I have bypassed nats1 so I have spark it no fuel. I have tried a power fc to see if that would work but I just get a constant clicking from one on the blue relays next to the ecu.

    Any help would be greatly appreciated.

  2. #2
    I <3 BBS LM Actual_Ben_Taylor's Avatar
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    Did you have the commmander connected to the PowerFC? If so did it get to the main menu screen?

    Sounds like a ground issue.

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    Member WTFIA's Avatar
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    OEM ECU Injector relays are becoming a more common problem the older these cars are getting. Test continuity on the circuit board between each of the 4 small relays. Have seen a few OEM ECU’s fail for this in the last 24 months, its purely down to ageing electronics.

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    Quote Originally Posted by Actual_Ben_Taylor View Post
    Did you have the commmander connected to the PowerFC? If so did it get to the main menu screen?

    Sounds like a ground issue.



    No I don’t get past the apexi screen. Just stays at that and screen dims slightly with clicking of the relay

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