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O2 Sensor query

Ive just changed the left 02 sensor and today i get a code 33 again? why is this.. Jesus it was a bad enough job i wouldnt want to do it again!:confused1:

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    have you reset the codes on your ecu? could just be showing the old code, take the battery off for a few hours, then check again mate....

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    could be a wiring issue then? was the sensor you put in new or a know good one? all the connections clean? (i'm sure you would've checked that tho matey)

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    you haven't got the plug mixed up with the dett sensor plug have you? they are both the same (just clutching at straws here!)

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