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Thread: Emmision light problem

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    Default Emmision light problem

    Hi I have a 1.8 Vectra with a emission light staying on.code p0100 I have changed the MAF and checked for a faulty earth lead.But still have the light on.The car cuts out when cold but otherwise runs fine.Any ideas would be welcome.Regards Mike

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    Hi Mike, check out erratic Revs - my 1.8 - similar problems.

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    Vehicle : Golf 7

    Trim : GTD

    Engine : 2.0 TDI 184PS

    Year : 2014

    Mileage : 40000

    Default

    Don't know much about this engine, but I am going say EGR valve or Throttle body is choked up if you're getting erratic revs.

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    Hi Gazza4 I dont think there is a EGR valve on a 1.8 petrol If there is I cant find it.Maybe as you say the throttle body.Is it easy to get apart? Cheers

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    Vehicle : Golf 7

    Trim : GTD

    Engine : 2.0 TDI 184PS

    Year : 2014

    Mileage : 40000

    Default

    Quote Originally Posted by flatmate View Post
    Hi Gazza4 I dont think there is a EGR valve on a 1.8 petrol If there is I cant find it.Maybe as you say the throttle body.Is it easy to get apart? Cheers
    Like I say I don't know an awful and from what I gather the EGR valve was removed from later models - '04 I think. I'm basing my theory on the erratic revs which was mentioned? Is that happening?

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    Quote Originally Posted by flatmate View Post
    Hi Gazza4 I dont think there is a EGR valve on a 1.8 petrol If there is I cant find it.Maybe as you say the throttle body.Is it easy to get apart? Cheers
    Check Just Under Bottom Right Of Engine Cover For EGR

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    What year is he car ? If it has the egr I would give that a clean aswell as the throttle body n disconnect the battery for 30 mins or so and take it from there.

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    Hi Tam80 Looked there but there Via Haynes but nothing there.Must be later model Cheers

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    kel123 Checked your irattic revs but not same as mine thanks anyway

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    mdibb2009 Will give it a go Cheers

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