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P0155 Diagnostic Trouble Code Discussion for January 2005

Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Performance

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Trouble Ticket Help Requests for DTC P0155
Help Request Posted
1996 Ford F-150 Eddie Bauer 5.8L MIL Lamp on VIN: 1FTEF14H8T
P0155: os sensor htr fault B2 S1. Hi, thanks in advance for any help, This F150 is here for the OBD II emission test, the MIL light is on. I have listed the codes that were on when the vehicle came in. Our tech checked heater power to all 3 o2 sensors. they have power so we replaced all 3. th...
January 03, 2005
1997 Mercury Sable GS 3.0L MIL Lamp on VIN: 1MELM5356V
P0155: Faulty O2 heater circuit bank 2 sensor 1. This car came in with faulty O2 heater circuit codes for all the O2 sensors. Both senors on both banks. I've checked all the connectors and they appear to be clean dry and free of corrison. The wirring harness also appears to be in good working condition. Any ...
January 03, 2005