× 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

P0154 Diagnostic Trouble Code Discussion for May 2007

Heated Oxygen Sensor (Bank 2 Sensor 1) Signal Remains At Center

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 P0154
Help Request Posted
2000 Mazda Millenia 2.3L Hesitation, Stall VIN: JM1TA2219Y
P0154: Heated Oxygen Sensor (Bank 2 Sensor 1) No Activity Detected. ... with MIL on DTC P0154, P1170 and P1173. Po154 is o2 sensor, but I have no definition for the other two. When vehicle is cold driving is OK. When vehicle gets warm, the tranny goes into fail safe mode and sometimes stalls. At this stage I check and have no ...
May 11, 2007