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Thread: Fault code P1125 + Emissions light

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    Default Fault code P1125 + Emissions light

    Hi guys, not sure if this is in the right section. I bought a 150 cdti 05 reg about 4 weeks ago. First 2 weeks were fine, no faults. Then as I was driving along the M1 one day, my engine light in tacho lit up and car went into limp mode, pulled over at next stop - refired engine and problem was gone. Then a few miles later my exhaust emissions light lit up and it felt like it went into limp mode again. This time a restart of the engine didnt make the emissions light go away, no matter how many times I restarted the engine. I left the car to sit for a few days and the next time I fired it up the light was gone and power restored.. only for the same thing (emissions light + loss of power) to happen a few miles later.
    I took the car to a mate with a plug in jobby (yep, thats how clued up I am with cars lol) and he got fault code 1125 come up. He says it could be a massive job to pinpoint and fix the problem.
    I was just wondering if anyone has had experience with this kind of problem and whether there could be a simple fix?

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    Regular Member Ben50n's Avatar
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    Are you sure that was the correct code? Get it checked again and use this website.

    http://www.obd-codes.com/trouble_codes/

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    North West Regional Organiser paulvectrac's Avatar
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    Vehicle : vectra

    Trim : vxr

    Engine : 2.8 v6 turbo

    Year : 2007

    Default

    I put money on it being a back connection in the swirl flap actuator have you got a soldering iron mate
    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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    Regular Member Critch's Avatar
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    Vehicle : Mk1 renault scenic... I know I know but it drives

    Trim : Basic

    Engine : 1.6 16v

    Year : 2003

    Default

    Is that code not related to throttle position tho?

    so perhaps dry joints on throttle body.

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    North West Regional Organiser paulvectrac's Avatar
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    Vehicle : vectra

    Trim : vxr

    Engine : 2.8 v6 turbo

    Year : 2007

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    Sorry mate yes lmao heads not with me as critch says throttle body take it of I bet one of the solder joints are cracked
    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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    Thanks guys, you've eased my fears a bit. I'll get him to check the soldering connections.
    Any idea why this would throw up the emissions light?

  8. #8
    Regular Member john norris's Avatar
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    its engine management light (EML) telling you theres a fault not emission light

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    Yeah thats what he said , but in my manual it says its the emissions control light.

    IMG00265-20121015-0050.jpg

  10. #10
    Regular Member john norris's Avatar
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    perhaps because what you have is a powertrain fault same as an exhaust fault would be

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