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Thread: ECU fault

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    confused ECU fault

    Hi guys

    My Dad has a very nice 2.2 D Signum with an annoying problem which may be ecu linked. It's a 2004 with some 90k on the clock and for most of the time it runs very nicely, however there is an intermitant fault which shuts down the engine to a rough tick-over. This happens without warning and randomly, the accelerator goes life-less and leaves the engine to tick-over in a lumpy fashion.

    It all runs perfectly once the car has been switched off and re-started with the fault not returning for a few days, this has happened on short trips and long journeys and totally without pattern. Can be alarming in the outside lane, or when pulling his caravan (please don't hold that against him..)

    The car has been on the local dealers test equipment and the fault is logged, but all they say is that it's ecu related and it could be one of two ecu's at fault. They quoted £1,500 or possibly £2,500 for a replacement but couldn't offer any guidance that this would sort the problem.


    Firstly, has anybody else had a similar problem?

    Secondly, is there an easy fix to try before giving speculative cash to the dealer?

    Cheers

    Paul

  2. #2
    Regular Member robwilson69's Avatar
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    If it is a ECU fault and if you know someone with a tech 2 you can get a seconded hand ecu that has been tech 2'd of another car and tech 2 it into yours, that way will cost you no more than a few hundred pounds.. dealer's are a rip off for replacing ecu's, think a new ecu maybe in the region of a £300 £400 but not sure thats just guessing.

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    Thanks for the quick reply.

    What is a 'Tech 2' is that some form of programmable ecu, and how can you search for somebody locally (he's in Lancaster) who can do this outside the stealer network.

    Cheers

    Paul

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    Regular Member mhvcbv's Avatar
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    Quote Originally Posted by The Surveyor View Post
    Thanks for the quick reply.

    What is a 'Tech 2' is that some form of programmable ecu, and how can you search for somebody locally (he's in Lancaster) who can do this outside the stealer network.

    Cheers

    Paul
    hi m8
    tech2 is the programming tool that talks to your car and turns things on/off and for installing electrical stuff to your car.
    not many things can be just pluged in or changed in your car without the tech2 as most thing need to be coded so they work.
    be very carefull when buying secound hand electrical components for your car as they will need to be decoded from the car first before you can add them to yours.
    sri-rich brakes vectra/signums and he can tech2 them out of the car.
    give him a pm and he might be able to help.

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    Regular Member robwilson69's Avatar
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    As above the Tech 2 is what the dealers use at vaux, there is a link below to members who have this equipment unfortuantly im miles from you but there might be others here more nearer to help..

    http://www.vectra-c.com/forum/showthread.php?t=96936

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