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Thread: Tech 2 (ECU) ?? Crank sensor ??

  
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    mattyboy199's Avatar
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    Tech 2 (ECU) ?? Crank sensor ??

    Just had both done under warranty, have no idea what either of em do ?

    Tech 2 ECU, is this a remap or what ?

    Matt

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    phazer's Avatar
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    Tech 2 is the diagnosis machine used by Vauxhall to check for errors, faults, adjust ecu settings etc.

    The crank sensor is used by the ECU to determine where the engine is on the current revolution - so it knows when to fire the injector(s) and spark(s).

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    car feels so much mpre responsive now i ve had this done.

    I m happy almost.

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