hello,


I have had an engine light on for while in my 2004.5 s40 2.4. It was for low voltage on the sensor circuit.

After replacing with an "Autopart Trust Oxygen Sensors, Upstream,250-54026"

After putting in this sensor i'm now getting a check engine light for high voltage on the upstream sensor circuit and slow circuit response. P0132, and P0133

IS there something i'm missing here ?
IT appears to be the correct sensor. please help!!

thanks.....

 

could be the sensor or could be an air leak or vacuum leak pushing the sensor out of range. I'd start top size and check vacuum lines/intake boots etc for anything obvious.

It looks like the OEM PN is 0651722. 250-54026 is a Walker aftermarket part number which is listed as a guaranteed fit...

You can also try clearing the codes and see if they reset.