Ok, just did the search and it look like its the O2 sensor. Car has over 150K so this may cost me.

Hey all!

Anyone here ever had the P0141 diagnostic code come up on them? According to Autozone its "heater circuit malfunction bank 1 sensor 2". Does anyone know if this is a quick fix?

Thanks,
UPMR

 

This means the heater circuit on your rear (after catalytic converter) O2 sensor is open or shorted. In most cases the heater element has burnt out.

You can verify by checking resistance of the heater element w/ the O2 sensor disconnected from vehicle harness connection. If resistance is infinite, it's open. If < 10 ohms it's shorted internally. If it checks in range 1-40 ohms the problem is a wiring fault, again a short or open wire.

good luck

 

Thanks for the quick reply Tex. This is aft of the cat right? It looks like the part is interchangeable with a Honda's. I may go this route since its cheaper. The dealer is looking at $275 for parts and $137 in labor and taxes. It looks like I can get a replacement Honda OEM from ebay for $79 and save that plus labor if I do it myself.

 

Here's the ebay part:

http://cgi.ebay.com/ebaymotors/ACURA...01770896QQrdZ1

 

Ok...I see you did say aft of the cat..
thanks...

 

Yeah, the ohms should have been 10-40 ohms if you're checking, but most likely the sensor is bad.

This sensor should fit, but I don't know they're interchangeable w/ Accords. I would be surprised if the sensor is different on the 2.2CL's.

regards

 

Yeah, you're more than likely right about the sensor being bad. According to the same ebay add the following are compatible. I just called an Acura and Honda dealership, I gave them the part number and confirmed they are the same part.

EQUIVALENT PARTS:

AIRTEX 5S3054 aftermarket
BOSCH 0258003176 aftermarket
BOSCH 13176 aftermarket
DENSO 234-4601 aftermarket
GP/SORENSEN 779-7342 aftermarket
HONDA 36532-P0A-A01 OEM
KEM 138-482 aftermarket
STANDARD / HYGRADE SG342 aftermarket
WELLS SU4439 aftermarket



APPLICATIONS:

ACURA (8) 1997-2002
2.2CL (1) 1997-1997
1997 L4-2156cc 2.2L F/I Vin F22B1 VTEC DOHC
2.3CL (2) 1998-1999
1999 L4-2234cc 2.3L F/I Vin F23A1 VTEC SOHC
1998 L4-2254cc 2.3L F/I Vin F23A1 VTEC SOHC
3.0CL (3) 1997-1999
1999 V6-2977cc 3.0L F/I Vin J30A1 VTEC SOHC
1998 V6-2977cc 3.0L F/I Vin J30A1 VTEC SOHC
1997 V6-2977cc 3.0L F/I Vin J30A1 VTEC SOHC
MDX (2) 2001-2002
2002 V6-3475cc 3.5L F/I Vin J35A3 VTEC SOHC
2001 V6-3475cc 3.5L F/I Vin J35A3
HONDA (12) 1995-2001
ACCORD (9) 1995-1999
1999 V6-2977cc 3.0L F/I Vin J30A1 VTEC SOHC
1998 V6-2977cc 3.0L F/I Vin J30A1 VTEC SOHC
1997 L4-2156cc 2.2L F/I Vin F22B2 16V SOHC
1997 L4-2156cc 2.2L F/I Vin F22B1 VTEC DOHC
1997 V6-2675cc 2.7L F/I Vin C27A4 24V SOHC
1996 L4-2156cc 2.2L F/I Vin F22B2 16V SOHC
1996 L4-2156cc 2.2L F/I Vin F22B1 VTEC DOHC
1996 V6-2675cc 2.7L F/I Vin C27A4 24V SOHC
1995 V6-2675cc 2.7L F/I Vin C27A4 24V SOHC
ACCORD (CAN) (1) 1995-1995
1995 V6-2675cc 2.7L F/I Vin C27A4 24V SOHC
CIVIC (2) 2001-2001
2001 L4-1700cc 1.7L F/I
2001 L4-1700cc 1.7L CNG/FI