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Thread: Can anyone help with these readings?

  1. #1
    Regular Member Lozza's Avatar
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    Vehicle InfoStats

    Vehicle : Vectra c

    Trim : SRI

    Engine : 1.8

    Year : 06

    Default Can anyone help with these readings?

    I have a slight misfire and sometimes when i start the car it stalls.

    B1S1 O2 Sensor Heater (Bank 1 Sensor 1),Active
    B1S1 O2 Sensor (Bank 1 Sensor 1),156 mV
    B1S1 Air/Fuel Ratio (Bank 1 Sensor 1),Lean <<<< this switches between Rich and Lean
    B1 O2 Sensor Loop (Bank 1),Closed
    B1S2 O2 Sensor Heater (Bank 1 Sensor 2),Active
    B1S2 O2 Sensor (Bank 1 Sensor 2),801 mV
    B1S2 Air/Fuel Ratio (Bank 1 Sensor 2),Rich
    B1 Short Term Fuel Trim (Bank 1),-2 %
    Catalyst Protection Enrichment (Bank 1),Inactive
    Intake Manifold Valve 1,Inactive
    Full Load Enrichment,Inactive
    Desired Engine Idle Speed,688 RPM
    Idle Speed Modified,NO
    Idle Speed Offset,Inactive
    Vehicle Speed,0 km/h
    Mass Air Flow Sensor,0.62 V
    Mass Air Flow Sensor,9 kg/h

  2. #2
    North West Regional Organiser paulvectrac's Avatar
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    Vehicle InfoStats

    Vehicle : vectra

    Trim : vxr

    Engine : 2.8 v6 turbo

    Year : 2007

    Default

    Looks like a list that a faulty maf would cause

  3. #3
    Regular Member Lozza's Avatar
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    Vehicle InfoStats

    Vehicle : Vectra c

    Trim : SRI

    Engine : 1.8

    Year : 06

    Default

    Big thanks Paulvectrac.... it was the "MAF" after all, car is nice and smooth now would it be best to change both o2 sensors as well?

  4. #4
    North West Regional Organiser paulvectrac's Avatar
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    Vehicle InfoStats

    Vehicle : vectra

    Trim : vxr

    Engine : 2.8 v6 turbo

    Year : 2007

    Default

    no problem glad you got it sorted

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