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George H.
George H., ASE Certified Technician
Category: Acura
Satisfied Customers: 18619
Experience:  ASE Master Tech 15+ years w/L1 Drivability certification
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2000 Acura RL: (02 sensor heater circuit - bank 1, sensor 2)

Resolved Question:

My 2000 Acura RL 3.5 has a code of PO141. (02 sensor heater circuit - bank 1, sensor 2). Both right and left 02 sensors have been replaced. What is the most likely problem and solution? Will I damage anything other than gas mileage driving it before it is fixed?
Submitted: 7 years ago.
Category: Acura
Expert:  George H. replied 7 years ago.

Hello I will help you with your question,


If the sensors that were replaced were not OEM they may be of inferior quality and the heater has failed or the connection to the sensor is intermittant. The heater is a filiment type so it is possible for it to burn open or a connecton to open.


The P0141 code is for the sensor behind the catalytic converter so I would replace that one and clear the code. You should not have any problems driving this until you can have it repaired


Please let me know if you have further questions about this


Thank you



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