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O2 sensor code?

   
Old Oct 16, 2018 | 03:54 PM
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From: Blackburn
Default O2 sensor code?
Hi everyone,
I’m from over in the UK and I have just had the error code come up after having a run and opening the car up....
It has had a remap by previous owner due to aftermarket exhaust, but has never had the code come up before..

P0137 Heated Oxygen Sensor (HO2S) Circuit Low Voltage Bank 1 Sensor 2

Could it be a faulty sensor that just needs replacing??
Many thanks
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Old Oct 16, 2018 | 04:29 PM
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Yes it could be, or the wiring to the sensor. Check fuse number 15 also
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Old Oct 16, 2018 | 04:53 PM
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From: Blackburn
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Nice one, I will check those out...
Could someone point me to the location of the sensor in question?
thanks again
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Old Oct 16, 2018 | 04:59 PM
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It would be the driver's side AFTER the converter(downstream).
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Old Oct 16, 2018 | 08:10 PM
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As others have said could be wiring or a sensor. 4 heater DTC’s would set if fuse 15 were blown !!
Last edited by C5 Diag; Oct 16, 2018 at 08:15 PM.
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