Join Now
International Automotive Technicians Network

P0155 Diagnostic Trouble Code Discussion for October 2009

Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Performance


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0155
Help Request Posted
2002 Ford F-350 Super Duty XL 5.4L MIL Lamp on VIN: 1FTSX31L92
P0155: o2 heater circuit malfunction. truck needs to be inspected. check eng light comes on, for o2 heater codes, but neither one of the monitors are ready. o2 heater or o2 sensor?? checked harness after o2 replacement. seems to be ok. weird that mil comes on, but the monitors arent ready?? need t...
October 02, 2009
1997 Mazda B4000 4.0L MIL Lamp on VIN: 4F4CR16X1V
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. ... customer brought truck from another shop. code is p0155 o2 heater circuit. the other shop had installed 2 new sensors, dont know why 2 when bank 2 sensor 1 is only problem. anyway code came right back. customer also stated they had pcm sent out and tested ...
October 08, 2009
1995 Mazda Millenia 2.5L No Start, Hesitation, Stall VIN: JM1TA2217S
P0155: Oxygen sensor heater circuit bank 2 sensor 1. Customer brought car in complaining it was acting like it was running out of gas but not till it has been drove a mile or two. I started by changing fuel filter apon customers request, this did not help. I checked regulated fuel pressure which was 28,29 lbs wh...
October 13, 2009
2004 Toyota Avalon XLS 3.0L MIL Lamp on VIN: 4T1BF28B84
P0155: Air Fuel Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. After diagonis codes, replaced computer,with used one per customer,codes were gone for 3days now back constantly.Retraced all wires ,voltage stays at 3.3volts on both,even when unplugged on Scanner and voltmeter when key is on.Has battery voltage on the other ...
October 13, 2009
1998 Chevrolet C1500 Silverado 5.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GCEK19R3W
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. Hello all you gm guys out there. I will start by saying I am not a gm guy. I own an import (german) repair shop. I am working on this truck for a friend. The vehicle came with a terrible misfire. All the ignition system looked old and worn. replaced Plugs,wire...
October 14, 2009
2002 Mitsubishi Montero Limited 3.5L Surge, SES light
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. HELP!!!Im getting stuck with a mess from another shop.The vehicle came to them with problems surging at idle.Was going up to 1000rpm then dropping down to 300 and will stall occasionally.Also check engine light was on with p335 p340 and p155.Cam and crank sign...
October 14, 2009
1998 Chevrolet C1500 Silverado 5.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GCEK19R3W
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. Hello all you gm guys out there. I will start by saying I am not a gm guy. I own an import (german) repair shop. I am working on this truck for a friend. The vehicle came with a terrible misfire. All the ignition system looked old and worn. replaced Plugs,wire...
October 15, 2009
2001 Land Rover Discovery Series II SE 4.0L MIL Lamp on VIN: SALTL15491
P0155: O2 Sensor Heater Circuit Bank 2 Sensor 1. ... and MIL on. Codes were for O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1) & (Bank 2 Sensor 1), O2 Sensor Heater Circuit (Bank 1 Sensor 1) &(Bank 2 Sensor 1), and P0300 & P0308. I found that the harness plugs for both upstream O2s were...
October 25, 2009
1997 Nissan Pickup SE 2.4L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on, Failsafe?? VIN: 1N6SD11Y8V
P0155: coolant sensor. A friend of mine brought in his truck for oil service and rough idle and misfire when raining. Ignition wires were terrible and needed full tune up. He also mentioned to me, this wierd problem he has fairly often. After driving for as short as 5 minutes, the t...
October 29, 2009
2002 Ford F-350 Super Duty XL 5.4L MIL Lamp on VIN: 1FTSX31L92
P0155: o2 heater circuit malfunction. truck needs to be inspected. check eng light comes on, for o2 heater codes, but neither one of the monitors are ready. o2 heater or o2 sensor?? checked harness after o2 replacement. seems to be ok. weird that mil comes on, but the monitors arent ready?? need t...
October 02, 2009
1997 Mazda B4000 4.0L MIL Lamp on VIN: 4F4CR16X1V
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. ... customer brought truck from another shop. code is p0155 o2 heater circuit. the other shop had installed 2 new sensors, dont know why 2 when bank 2 sensor 1 is only problem. anyway code came right back. customer also stated they had pcm sent out and tested ...
October 08, 2009
1995 Mazda Millenia 2.5L No Start, Hesitation, Stall VIN: JM1TA2217S
P0155: Oxygen sensor heater circuit bank 2 sensor 1. Customer brought car in complaining it was acting like it was running out of gas but not till it has been drove a mile or two. I started by changing fuel filter apon customers request, this did not help. I checked regulated fuel pressure which was 28,29 lbs wh...
October 13, 2009
2004 Toyota Avalon XLS 3.0L MIL Lamp on VIN: 4T1BF28B84
P0155: Air Fuel Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. After diagonis codes, replaced computer,with used one per customer,codes were gone for 3days now back constantly.Retraced all wires ,voltage stays at 3.3volts on both,even when unplugged on Scanner and voltmeter when key is on.Has battery voltage on the other ...
October 13, 2009
1998 Chevrolet C1500 Silverado 5.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GCEK19R3W
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. Hello all you gm guys out there. I will start by saying I am not a gm guy. I own an import (german) repair shop. I am working on this truck for a friend. The vehicle came with a terrible misfire. All the ignition system looked old and worn. replaced Plugs,wire...
October 14, 2009
2002 Mitsubishi Montero Limited 3.5L Surge, SES light
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. HELP!!!Im getting stuck with a mess from another shop.The vehicle came to them with problems surging at idle.Was going up to 1000rpm then dropping down to 300 and will stall occasionally.Also check engine light was on with p335 p340 and p155.Cam and crank sign...
October 14, 2009
1998 Chevrolet C1500 Silverado 5.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GCEK19R3W
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. Hello all you gm guys out there. I will start by saying I am not a gm guy. I own an import (german) repair shop. I am working on this truck for a friend. The vehicle came with a terrible misfire. All the ignition system looked old and worn. replaced Plugs,wire...
October 15, 2009
2001 Land Rover Discovery Series II SE 4.0L MIL Lamp on VIN: SALTL15491
P0155: O2 Sensor Heater Circuit Bank 2 Sensor 1. ... and MIL on. Codes were for O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1) & (Bank 2 Sensor 1), O2 Sensor Heater Circuit (Bank 1 Sensor 1) &(Bank 2 Sensor 1), and P0300 & P0308. I found that the harness plugs for both upstream O2s were...
October 25, 2009
1997 Nissan Pickup SE 2.4L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on, Failsafe?? VIN: 1N6SD11Y8V
P0155: coolant sensor. A friend of mine brought in his truck for oil service and rough idle and misfire when raining. Ignition wires were terrible and needed full tune up. He also mentioned to me, this wierd problem he has fairly often. After driving for as short as 5 minutes, the t...
October 29, 2009