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Thread: More fault codes 2.0dti

  1. #1
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    Default More fault codes 2.0dti

    Hi guys, iv had a few issues with my 05 preface 2.0dti signum. The latest is the MAF sensor, I replaced it with one off ebay and the problem remained so I assumed that it was just a dodgy flea-bay effort. Iv just shelled out 120 quid on a brand new one and the problem is still there. When i plug in opcom it comes up with error code p0100-66 performance and range fault.
    Has any body got experience in this and what is the fix because it cant be the MAF sensor itself as I've been through 3 and the fault code is still the same.

    Cheers,

    Ed

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    Regular Member TonyP2020's Avatar
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    Vehicle : Mokka

    Trim : SE - Orange Rock 's !!

    Engine : 1.7CDTi

    Year : 2014

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    It could be worth removing, cleaning (WD40, plusgas, IPA Solvent) and refitting all electrical connectors in and around the engine bay. Most of them just unclip, and are not hard to get at.
    Also the Atmospheric sensor is linked with the MAF sensor, it is near the airbox, and can have a problem with dirty earthing, so again cleaning connectors is worth a go, especially if get any p0110 errors.
    Good luck.

  3. #3
    Regular Member DTi Elite's Avatar
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    Vehicle : Vectra

    Trim : Elite

    Engine : 1.9 cdti 150

    Year : 2007

    Mileage : 145k

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    check for any air leaks , split pipes etc .
    the problem being range / performance means that the ecu is getting a lower signal of air passing the sensor than it expects to see , this can be caused by an air leak on the intake side , have a good look at the boost hoses .

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    Thanks chaps, all much appreciated, will have a good look when I get back home. Iv had to resort to my old 206.

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