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Thread: loss of power in lower gears

  1. #1
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    Default loss of power in lower gears

    Hi all,

    Can someone offer some advice please?
    I have a 2007 2.0L Signum, and today the spanner light has appeared on my dashboard and i have a loss of power in gears 1 and 2 when pulling away, the problem went when i stopped and restarted the car, but after a couple of mins i was back to having no power in lower gears again?

    can anyone pin point the problem please? thanks

  2. #2
    Regular Member JM53 BEL's Avatar
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    Vehicle : Signum

    Trim : Elgance

    Engine : 2.0 Turbo

    Year : 2004

    Mileage : 106000

    Default

    Be best to get it hooked up to a code reader mate! Is it only lower gears or is it the rev range as you dont tend to go high up the revs in higher gears, also is it a turbine or NA ?

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    Default

    Hi,

    it just seems to be in the the lower gears? when i get into 3rd i have much more power could it be the boost sensor or possibly throttle body perhaps?

    thanks mate

  4. #4
    Regular Member JM53 BEL's Avatar
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    Vehicle : Signum

    Trim : Elgance

    Engine : 2.0 Turbo

    Year : 2004

    Mileage : 106000

    Default

    Not sure. As i would think if it was them the problem would be through the gears! @caveman nige would be best to ask on this but something definately up! Only time i got EML was before my turbo popped and the 2nd sensor on the exhaust picked up on emission problem cause i had airbox off to see if my down on power problem was a choked airfilter! Noticed my turbo sound like it was caughimg then about 3 weeks later turbo was dead!. Not sayin this is the fault you got as my power was down on all gears! Maybe give throttle body a clean aswell as boost sensor! Disconnect battery for 10-15 minutes to reset ECU if problems persist get fault codes read so you have better idea!
    Last edited by JM53 BEL; 10th March 2013 at 00:01.

  5. #5
    Regular Member C-Owner's Avatar
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    Default

    Quote Originally Posted by Tucker View Post
    Hi all,

    Can someone offer some advice please?
    I have a 2007 2.0L Signum, and today the spanner light has appeared on my dashboard and i have a loss of power in gears 1 and 2 when pulling away, the problem went when i stopped and restarted the car, but after a couple of mins i was back to having no power in lower gears again?

    can anyone pin point the problem please? thanks
    MAF sensor probably.

    I'm in Bexleyheath, pop over and I'll run a scan on it before 12:00 tomorrow.
    Last edited by C-Owner; 10th March 2013 at 01:05.

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    Default

    Hi,

    thanks for responding, i have pm you

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