× 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

P0159 Diagnostic Trouble Code Discussion for August 2020

Heated Oxygen Sensor (Bank 2 Sensor 2) Slow Response


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 P0159
Help Request Posted
2004 Land Rover Range Rover HSE 4.4L MIL Lamp on VIN: SALME11404
P0159: O2 Sensor Fault Aging downstream B2. 1st visit - Vehicle came in with a CEL on complaint at 105248 miles. Technician pulled fault codes listed above, smoked exhaust, inspected weld at catalytic convertors for leaks, found none. Fuel trims numbers STFT -2% & 2% LTFT 2.0% & 5.5% Technic...
August 11, 2020
2004 Land Rover Range Rover HSE 4.4L MIL Lamp on VIN: SALME11404
P0159: O2 Sensor Fault Aging downstream B2. 1st visit - Vehicle came in with a CEL on complaint at 105248 miles. Technician pulled fault codes listed above, smoked exhaust, inspected weld at catalytic convertors for leaks, found none. Fuel trims numbers STFT -2% & 2% LTFT 2.0% & 5.5% Technic...
August 18, 2020