Diagnostics not energising fuel pump relay

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  • Phil Payne
    S2Forum Addict
    • Jul 2009
    • 328
    • Country: United Kingdom

    #1

    Diagnostics not energising fuel pump relay

    S2 3B. Running the onboard diagnostics I get the injectors to click in firing order but no response from other stuff such as the ISV.

    Tracing back, the common blue/red rail isn't powered and this seems to be a consequence of the fuel pump relay not being energised. The ECU is probably stock although it's obviously been meddled with - both chips have Bosch-style part numbers on hand-written labels.

    Any ideas?

    \Edit: Aforementioned "Bosch-style numbers" are 1 267 356 531 and 1 267 356 560
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