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Thread: No power at all from my Vectra 150

  1. #1
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    Default No power at all from my Vectra 150

    I need some major help.

    I have been looking through the threads on the forum about poor performance of the 150 vectra's. I too have suffered with poor performance with no pulling power under 2200 rpm. I have carried out the following advice:

    Changed the vacuum pipes at the front of the car
    Cleaned the EGR
    Replaced the MAF

    The last thing that I did yesterday was change the MAF. The car ran fine for a couple of miles to which I thought Horaay but then she just died again.

    I have had it plugged in and the computer syas nothing is wrong. Could there be a fault code lurking in the back ground somewhere that I cannot see, so if I disconnect the battery and reconnect again could this clear the fault?

    I am at the end of my budget and I cannot afford to change the car.

    PLEASE please help

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    Have alook if u have a dpf in the exhaust i had the same problem until it stopped completely took it off and its a lot better. still abit sluggish under 2000 rpm but im waiting for it to be remapped the wkend, also clean the boost sensor hope this helps.

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    Have a look in the how to section for throttle repair ;-)

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    Problem sorted. Turns out the MAF that I bought was faulty once this was replaced the cars runs a smooth as silk.

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    Take the engine vanity cover off - have a look down at the inlet manifol behind the fuel rail, there will be a zig/zag shaped bar - known as the swirl control rod, since you don;t have a fault light I wouldn't be surprised if the bar is off. Common fault

    If this isn't the problem the Throttle body may be to blame - another common fault in these. There may be cracked solder joints on the throttle control PCB causing open circuit, making the throttle control unit think the engine has been shut down when it hasn't. Worst case - the engine will shut off otherwise power may be seriously reduced.

    Overall sounds like the the manifold and swirl flaps to me.

    Gazza4
    Insignia VX-Line Nav CDTI 170.

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