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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
    Vectra vxr custome remaps egr deletes dpf and diagnostic work all remaps are custome bench tuning avalible all genuine equipment PM for info

  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 : vectra

    Trim : vxr

    Engine : 2.8 v6 turbo

    Year : 2007

    Default

    no problem glad you got it sorted
    Vectra vxr custome remaps egr deletes dpf and diagnostic work all remaps are custome bench tuning avalible all genuine equipment PM for info

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