P0136 O2 Sensor Circuit Malfunction (Bank 1 Sensor 2) - Nissan Forum
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#1 Old Nov 11th, 2003, 11:41 AM
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P0136 O2 Sensor Circuit Malfunction (Bank 1 Sensor 2)

I am now getting this O2 malfunction code after 15 miles of driving. I reset the light and boom its back.

Here s my question. Which one of the 4 is this???

I have a Haynes manual but I cannot figure how these o2s are numbered...

I did remove 2 of them to change my clutch.. I assume I damaged a wire on one of them, but they look good... I removed the 2 after the cats...


thanks,,

Barry
1993 King Cab SE 4wd- SAS, 35s 3link
1992 Pathfinder SE 4wd - SAS 35s 3link
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#2 Old Nov 11th, 2003, 11:58 AM
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The description of P0136 says bank 1 but I can't figure out which side that is. The steps to test the O2 sensor is via the harness connector in the engine so you could test both LH and RH and see if you can tell which one is bad.
#3 Old Nov 11th, 2003, 12:14 PM
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Thats what I am trying to fiqure out.. They are different some 3 wire and some 4 wire...


Thanks,

There must be some logic to this numerbering plan for all 96 and newer vehicles...

Barry
1993 King Cab SE 4wd- SAS, 35s 3link
1992 Pathfinder SE 4wd - SAS 35s 3link
http://nissantrailriders.com
#4 Old Nov 11th, 2003, 12:59 PM
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Do you have a good diagram of the harness connectors for the LH and RH rear O2 sensors? Let me know if you need one.
#5 Old Nov 11th, 2003, 01:10 PM
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Found another listing of the codes that lists the P0136 as the RH bank.

P0130P0134 Front HO2S RH Bank
P0135 Front HO2S Heater RH Bank
P0136P0140 Rear HO2S RH Bank
P0141 Rear HO2S Heater RH Bank
P0150P0154 Front HO2S LH Bank
P0155 Front HO2S Heater LH Bank
P0156P0160 Rear HO2S LH Bank
P0161 Rear HO2S Heater LH Bank
#6 Old Nov 11th, 2003, 03:26 PM
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Thanks for your help.. I think I found out part of the numbering plan...


"Bank 1 contains cylinder 1
Bank 2 is the opposing bank"


Bank 1 is the side of the engine with cylinder one and sensor 2 should point to the second sensor from the engine I guess.

I looked at my engine and cylinder one side of my 3.3L V6 is the Right side (US passenger side).

I will start by testing this sensor.. Doh I guess I could leave it unplugged and start my engine...

Barry
1993 King Cab SE 4wd- SAS, 35s 3link
1992 Pathfinder SE 4wd - SAS 35s 3link
http://nissantrailriders.com
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