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