× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P0155 Diagnostic Trouble Code Discussion for February 2005

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
1996 Mercury Cougar XR-7 4.6L MIL Lamp on VIN: 1MELM62W8T
P0155: H02S21 Heater ckt fault. ... DTC's P0135, P0141, P0155, P0161, all Heater Ckt's on 02 sensors. Also P0171 & P0174-lean codes. and one P0156 description is HO. Cleared codes and test drove, all 02 sensor codes came back on. Checked all sensor connect...
February 04, 2005
1996 Mercury Sable GS 3.0L MIL Lamp on VIN: 1MELM50U6T
P0155: O2 sensor b2 s1 heater circuit malfunction. ... this car because water pump went and customer kept driving until it died. The first code to pop up was P0155 O2 sensor b2 s1 heater circuit malfunction. I swapped left & right sensors and get same code. This makes me thi...
February 10, 2005
1996 Ford F-150 Eddie Bauer 5.8L MIL Lamp on VIN: 1FTEF14HXT
P0155: b2s1 heater fault. fuel pressure reads 36psi, up to 43 with reg. vac. discon. sure could use some help, thanks in advance.
February 28, 2005