Bon·ne·ville wrote:
> In article <JZmuj.30$8Y2.15@[EMAIL PROTECTED]
>, changbah@[EMAIL PROTECTED]
says...
>
>>
>>cj wrote:
>>
>>>greetings, my 1997 grand am 2.4l twin cam check engine light is on.
went
>>>to auto zone and the gal told me that my ox sensor is bad but i need to
>>>know whether the sensor is before or after the catalytic convertor. can
>>>anyone tell me? also, if i never fixed the sensor what harm would it
do?
>>>thanks, cj
>>>
>>
>>the error code is PO141
>>thanks, cj
>
>
> DTC P0141 HO2S Heater Performance Sensor 2
>
> That is P(zero)141 which is downstream of the converter.
>
> Replacing it may not correct the issue.
> The wiring, connector, and the circuit should be inspected.
thanks, cj
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