Monte Carlo Forum - Monte Carlo Enthusiast Forums - PO141 02 Sensor Heater Circuit Malfunction (bank 1 sensor 2) which is it?

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The Rev

10-19-2008 08:23 PM

PO141 02 Sensor Heater Circuit Malfunction (bank 1 sensor 2) which is it?

After searching enough I see that one of these sensors gotta go. I have a '99 with the 3.1, where are the sensors located? My moms buick with the 2.5 is right under the hood, and in my Lincoln there are 1 before each cat. This is bank 1 sensor 2. Searches lead me to believe its 'after the cat'. Any insight?

03.SS.montecarlo

10-19-2008 09:08 PM

RE: PO141 02 Sensor Heater Circuit Malfunction (bank 1 sensor 2) which is it?

yeah, after cat.

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