× 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

P1166 Diagnostic Trouble Code Discussion for October 2007

Heated Oxygen Sensor (Bank 2 Sensor 2) Minimum Voltage Monitoring

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 P1166
Help Request Posted
2003 Honda CR-V EX 2.4L MIL Lamp on VIN: JHLRD78853
P1166: Air Fuel Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction. Hello fellow techs I have a dealer car here came in for oil leak and mil light on.Leak is Defective valve cover,cracked near base on pass. side(simple). Mil light says ECT and also O2 heater circuit. when looking at readings ect says -40'C always. All o2 readi...
October 12, 2007