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Thread: coupe turbo help z20let

  
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    beaver turbo's Avatar
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    Astra coupe turbo z20let boosting not right

    hy i have a coupe turbo 51000 mile to lady owners. right i havent had the car long and had it rolling road you could see some thing wasnt right as when it got high in the rev it jump up by 50 bhp and showed on the grah. when driveing the car. it waste gates really easy sounds great but when the boust come in it pull then feel like its drops of, till it get high in the revs. could this be some thing worng with the wase gate. as it had a easy life still made 205 bhp tho with front de can air box mods and up rated hoses.

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    traction control? if thats still on when its rolling roaded i hear it causes problems like power coming then going as the TC kicks in, then stops, then kicks in again and so on. just a guess.
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    tc was of mate

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    Coupe John's Avatar
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    was it switched off or the fuse pulled out?

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    switch of mate got it on a switch dose it on the road to

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    as you can see it jump up a bit

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    i had this on me 888, replace plugs with irids and cured for a while, came back, but them had a remap, and aint had a prob since.
    what do u mean easy life? a engine can do 30k and a block could have done 90k, but the 90k one is better, mileage is nuffin to go by, its how its looked after and warmed and cooled, oil changes,etc etc

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    i mean it hasnt been raged all its life and has full vauxhall history. i have change the plugs for ngk irids. what happens if air flow plays up

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    does make difference if has vaux fsh tbh, but anyway, symptoms of afm usually are erractic idle, then eml lights, do a pedal test 2 check if any codes present

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    no codes or lights runs fine going to try boost gauge see if it is droping of

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