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P0155 Diagnostic Trouble Code Discussion for August 2005

Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Performance

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Trouble Ticket Help Requests for DTC P0155
Help Request Posted
2001 Ford Mustang 3.8L MIL Lamp on, cooling fan stays on VIN: 1FAFP44461
P0155: HO2 heater circuit. This Mustang came in for an intermittant no start problem. One local shop had replace a fuel pump last month for this problem, The Ford dealer replaced the DPFE sensor next. It came to us on a tow truck. When it arrived we went out with the customer and the ca...
August 10, 2005
1998 Mercedes-Benz E430 4.3L MIL Lamp on VIN: WDBJF70F2W
P0155: O2 sensor heater circuit bank 2 sensor 1. p-codes, p0130, p0135, and p0155, O2 sensors and heaters pre-cat both sides keep popping up and turning MIL on. Even after O2 sensors were replaced with MB factory sensors. Baum tool used to scan and erase codes. Any help, please?
August 15, 2005
1996 Ford Thunderbird LX 4.6L MIL Lamp on VIN: IFALP62W4T
P0155: ho2s. Checked what harness's i could see for any chafing, rubbing. Grounds all look ok, power is on the red wire from the icrm. Please tell me the common problem for this, if one exists.
August 20, 2005
2000 Nissan Maxima GLE 3.0L Hesitation, MIL Lamp on, Lack of Power VIN: JN1CA31A7Y
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. This vehicle starts ok but after a few seconds, falters, stumbles, stalls when attempting to accelerate. Gets better slowly as it warms up. Tested all circuits from PCM to coils and all are good. No shorts to ground or power and no opens. With labscope attache...
August 23, 2005