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Thread: Mass Air flow Sensor fault

  1. #1
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    Default Mass Air flow Sensor fault

    Whilst driving my Car went into reduced power and displayed the 'spanner' symbol to indicate a fault. I restarted the engine and it drove normally for about half a mile and then reappeared. After the restart the engine diagnostic light came on and remained on so I booked it into the garage.

    The Dignostic printout at the garage read

    "Fault Codes

    DTC: P0100
    Mass Air Flow Sensor
    Voltage Supply Circuit.
    Present."

    The garage told me that they had checked the part and that it was okay and that it drove okay when they tested it and they gave the car back to me. I assume that they just took it down the road.

    I have just driven to work and on fast acceleration on motorway the fault has reappeared.

    Does anybody have experience of this problem and know what the possible solution is?

  2. #2
    Regular Member Ste's Avatar
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    Vehicle : Jaguar XF 3.0D V6

    Trim : Black

    Engine : 3.0D V6

    Year : 0000

    Default

    P0100 - MAF Sensor Circuit Insufficient Activity


    Firstly, it may need a clean. Carefully remove and spray with carb cleaner.
    Then have a look at the wiring for security and good connection.

  3. #3
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    Default

    I've booked it back into garage tomorrow. will I cause any further damage by driving it today. I need to travel approx 30 miles.

  4. #4
    Ex Vec-C Admin ed taylor's Avatar
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    Vehicle : Vectra Estate

    Trim : Elite

    Engine : 3.2 V6

    Year : 04

    Mileage : 000

    Default

    I don,t think it will cause any damage. Just it might get on your nerves.

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