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Thread: Intermittent Lambda ?

  1. #1
    Regular Member JagRigger's Avatar
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    Default Intermittent Lambda ?

    A couple of months ago I had an emissions light come on. Fault code 0136 - the downstream lambda on the flexi pipe. It went off after a couple of days short trips, when I drove for 20 miles plus, pulled in for petrol, and never came on again.

    This morning it did it again. Three small journeys all with the light on. One longer trip, park up and lo - it's gone out again.

    On both light coming on occasions it was wet.

    Do you reackon it is a damp connection drying out, or symptomatic of a failing sensor that needs a good heat up to work properly ?

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    Regular Member Critch's Avatar
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    It's for the front sensor that code an is a heater element code.

    could be a poor connection or internal fault.

    Need to test with a multimeter to confirm

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    Regular Member JagRigger's Avatar
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    OK - at this point HELP

    I changed the front lambda for a new NGK one - light still on ( now constant )

    Just changed the rear too for a new, more generic Denso one.

    Damm light's still on with an 0136 code...............

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    Have you cleared the code?

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    Regular Member JagRigger's Avatar
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    Nope - but surely the( emissions ) light should go out even if the code is still stored

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    have you left the car standing for a while?

    http://www.vectra-c.com/forum/showth...ult-Code-PO136

    clear the codes

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    Quote Originally Posted by JagRigger View Post
    Nope - but surely the( emissions ) light should go out even if the code is still stored
    Ive been told that codes can take up to 10 days to clear themselves. Try disconnecting the battery for half an hour.

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    Regular Member JagRigger's Avatar
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    Car does around 50 miles a day, so not been left.

    Just went out and disconnected the battery - will leave it off overnight and see if that clears the code.

    I tested the old lambda heater and got 10 ohms across it - which is worryingly normal, so maybe I have a loom issue. Anyone know what readings I should be getting supplied to the lambda ?

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    sorry i dont know the readings

    lets hope it resets it self in the morning

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    Regular Member JagRigger's Avatar
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    Well - it didn't reset.

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