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Thread: Lambda fault codes

  1. #1
    Ex-Staff Full Member Ian T's Avatar
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    Default Lambda fault codes

    Thanks to Plasma's fault code diagnosis on Sunday after the spanner light appeared, I've just replaced the Lambda sensor.
    (I was a bit wary loosening it because Mark said on Sunday "don't break it in the manifold" )

    What I'm wondering is, I have disconnected the battery (been off about 1/2 hour now).
    Will this reset any fault code logged so that the ecu doesn't think there is a bad sensor in still??

  2. #2
    Regular Member Gsi3.2's Avatar
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    yep, it will reset the ecu's back to factory state, so any new faults will show and the old one's won't..

  3. #3
    Ex-Staff Full Member Ian T's Avatar
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    I tried searching the forum, but how long does the ECU take to 'learn', is it a few hundred miles??

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    Regular Member Gsi3.2's Avatar
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    less..about 50 miles or so Ian..

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    Ex-Staff Full Member Ian T's Avatar
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    Thank you Sir

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