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    astra paul's Avatar
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    Air flow meter

    Hi everyone Happy new year.
    Does anyone know how i can tel if my air flow meter has broke.
    Thanks. Paul
    astra gsi

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    tim1547's Avatar
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    You may or may not have lights flashing up on ur dash. I've had a couple go on me b4 tho and not had any warning lights come on.

    Typically most people find car is not boosting properly particularly under 3000 rpm - pick up after gear change is crap. Boost is all over the place - car just generally runs poorly.

    You should be able to tell if it is functioning properly using a tech2 but tbh if you think the AFM is shagged it probably is - they're crap on the z20let.
    Astra coupe turbo 280bhp-sold
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    rizo's Avatar
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    Quote Originally Posted by tim1547 View Post
    You may or may not have lights flashing up on ur dash. I've had a couple go on me b4 tho and not had any warning lights come on.

    Typically most people find car is not boosting properly particularly under 3000 rpm - pick up after gear change is crap. Boost is all over the place - car just generally runs poorly.

    You should be able to tell if it is functioning properly using a tech2 but tbh if you think the AFM is shagged it probably is - they're crap on the z20let.
    there not much better on any vauxhall engine.

    i have been told (im not sure if this is right) that the centre of the AFM's are the same and you can just replace this which reduces the cost down the only part that changes is the casing.
    Astra VXR - Arden Blue, Diamond cut 19's, Cruise Control, Debaged, Folding Mirrors, CD70 NAVI and CID + Aux-In, Factory Bluetooth, Piano Black Interior Trim, Full Milltek Unresonated Exhaust

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    I havent had any lights come up but its just as you discribed boost all over the place ecspecially under 3000 rpm and running poor.
    Thanks for all your help ill get a new one tomorrow.
    astra gsi

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