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P0135 code after replacing o2 sensor

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P0135 code after replacing o2 sensor

Postby laurieh » Wed, 14 Nov 2012 19:13:24 UTC

Hi all

Had an error of P0135 heater sensor bank 1 sensor 1

The guy i brought the car from had replaced this with a non OEM cut and join jobby.

So i purchase a used OEM o2 sensor from a good reliable supplier I have used before and fitted this on sunday. Cleared code and this morning the engine light came on, so plugged in my diagnostic tool and the same fault has appeared.

Just to confirm that the o2 sensor bank 1 is the sensor 'pre-cat' (nearest to engine)

Could there be a wiring fault or has my supplier let me down??


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