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Thread: Lambda sensor

  1. #1
    Regular Member dan1983's Avatar
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    Default Lambda sensor

    Hi my car has had the emissions light on for about 6 months went to garage and it said it was the o2 sensor, can this damage my car if i still drive it. also does anyone know where i can get one at bset price. where on the car will i find it and what does it look like.
    Any help appreciated

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    Regular Member Ste's Avatar
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    Vehicle : Jaguar XF 3.0D V6

    Trim : Black

    Engine : 3.0D V6

    Year : 0000

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    It will be on the exhaust pipe near the manifold.

    The car will default to estimated values for fuelling etc with this sensor defective.
    Drivability and fuel economy will be impaired, but that's about it.

    Cheap ones don't generally last as long.

  3. #3
    Regular Member dan1983's Avatar
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    does anyone know where i can get one from the web, had a look on google but cant find anyone that sells them for my car which is the 2.0t edition 100

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    Ex Vec-C Admin ed taylor's Avatar
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    Vehicle : Vectra Estate

    Trim : Elite

    Engine : 3.2 V6

    Year : 04

    Mileage : 000

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    I bought an aftermarket one for the wifes Vectra B I got it trade from our local car spares shop, it was about £70.

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    Quote Originally Posted by dan1983 View Post
    does anyone know where i can get one from the web, had a look on google but cant find anyone that sells them for my car which is the 2.0t edition 100
    Try here...

    http://www.lambdapower.co.uk/

  6. #6
    Regular Member vectragsi3.2's Avatar
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    ive not long had one done by vx it cost me £110 all in. and i think it can damage the cat if not done asap

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    Regular Member Ste's Avatar
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    Vehicle : Jaguar XF 3.0D V6

    Trim : Black

    Engine : 3.0D V6

    Year : 0000

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    Very unlikely to damage the cat, as the engine ain't that old and won't have drifted too much yet from the base settings that it will assume. The O2 sensor will only trim the fuelling to keep the Lambda value at about 1, maybe 5% change in fuelling in an older car.

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    [Ex]Admin Duncan's Avatar
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    Quote Originally Posted by dan1983 View Post
    Hi my car has had the emissions light on for about 6 months went to garage and it said it was the o2 sensor, can this damage my car if i still drive it.
    Quote Originally Posted by Ste View Post
    Very unlikely to damage the cat, as the engine ain't that old and won't have drifted too much yet from the base settings that it will assume. The O2 sensor will only trim the fuelling to keep the Lambda value at about 1, maybe 5% change in fuelling in an older car.
    But if the emissions light is flashing as opposed to steady, then that is a warning that you could be causing damage to the cat. If it's flashing, you really need to stop driving the car. If it's only illuminated then it's less serious, but you should get the lamda sensor changed.

  9. #9
    Regular Member Ste's Avatar
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    Vehicle : Jaguar XF 3.0D V6

    Trim : Black

    Engine : 3.0D V6

    Year : 0000

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    Agree with the flashing bit. But if it's flashing it will go into protection mode anyway.

  10. #10
    [Ex]Admin Duncan's Avatar
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    I didn't think it dropped into limp mode if the light turned to flashing? I thought it was the driver that had to take the necessary action i.e. stop driving.

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