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Thread: 2.2 Mis-Fire

  1. #1
    Full Member spennny's Avatar
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    Default 2.2 Mis-Fire

    I know your all gonna say fuel pump, but its not long been replaced so what do you think, and it was the continental one

    So this is the 2nd time its happened in the last week, i cleared all codes on Sunday , and got some fresh codes

    It says below that my fule is running rich, and the earlier fault was

    P1191 - Fuel Pressure System Malfunction

    I then managed to get the below info, do you think its the regulator or pump ??
    Measuring blocks information:
    B1S1 O2 Sensor Heater (Bank 1 Sensor 1) Active
    B1S1 O2 Sensor (Bank 1 Sensor 1) 1.504 mV
    B1S1 Air/Fuel Ratio (Bank 1 Sensor 1) Rich
    B1 O2 Sensor Loop (Bank 1) Closed
    B1S2 O2 Sensor Heater (Bank 1 Sensor 2) Inactive
    B1S2 O2 Sensor (Bank 1 Sensor 2) 1.211 mV
    B1S2 Air/Fuel Ratio (Bank 1 Sensor 2) Rich
    B1 Short Term Fuel Trim (Bank 1) -3%
    Catalyst Protection Enrichment (Bank 1) Inactive
    Full Load Enrichment Inactive
    Desired Engine Idle Speed 838 RPM
    Idle Speed Modified No
    Idle Speed Offset Inactive
    Vehicle Speed 0 km/h

  2. #2
    Full Member spennny's Avatar
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  3. #3
    Regular Member 06sri's Avatar
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  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

    Maf I would say matey or coil pack
    Vectra vxr custome remaps egr deletes dpf and diagnostic work all remaps are custome bench tuning avalible all genuine equipment PM for info

  5. #5
    Full Member spennny's Avatar
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    Default

    Quote Originally Posted by paulvectrac
    Maf I would say matey or coil pack
    Would that make it run rich mate ?

    How do I clean the MAF , shoot some cleaner or something up there

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  6. #6
    North West Regional Organiser paulvectrac's Avatar
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    Vehicle : vectra

    Trim : vxr

    Engine : 2.8 v6 turbo

    Year : 2007

    Default

    Don't put out in ya maf mate it will kill it is there anyone near that has a 2.2 same as yours do u have a panel filter k&n ?
    Vectra vxr custome remaps egr deletes dpf and diagnostic work all remaps are custome bench tuning avalible all genuine equipment PM for info

  7. #7
    Full Member spennny's Avatar
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    Yeah I do .

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  8. #8
    North West Regional Organiser paulvectrac's Avatar
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    Vehicle : vectra

    Trim : vxr

    Engine : 2.8 v6 turbo

    Year : 2007

    Default

    Hmm interesting mate my mate has a 2.2 aswell with a k&n re oiled it it misfired when he speed up and was slowing down I checked everything then he told me he reoiled filter so I put my pipercross in his and it was fine he now had piper and it's spot on maybe coincidence but his is fine now
    Vectra vxr custome remaps egr deletes dpf and diagnostic work all remaps are custome bench tuning avalible all genuine equipment PM for info

  9. #9
    Full Member spennny's Avatar
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    I haven't re oiled mine for a while mate , the 1st time it happens was last week , and then again today , and the spanner light stayed on whilst driving, when checked it came up with what i posted above , I have cleared it now so will see when it happens again , will call my warranty company into action :-)

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  10. #10
    North West Regional Organiser paulvectrac's Avatar
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    Vehicle : vectra

    Trim : vxr

    Engine : 2.8 v6 turbo

    Year : 2007

    Default

    Well keep me updated mate will do abit more digging will look though my stuff see what I can find
    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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