Join Now
International Automotive Technicians Network

P1133 Diagnostic Trouble Code Discussion for February 2010

Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching


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 P1133
Help Request Posted
1999 Toyota RAV4 2.0L Excessive Emissions, Poor Idle Quality, Hesitation, Poor Fuel Economy, MIL Lamp on VIN: JT3GP10V2X
P1133: Air Fuel Ratio Sensor (Bank 1 Sensor 1) Slow Response. ... come on intermittently at first with loss of power and rough idle. Searched TSB's. Found bulletin# EG012-01 for code P1133. Installed updated Toyota Air/Fuel ratio sensor,(new plugs, fuel filter,& air filter couple of weeks earlier). All was well for a...
February 03, 2010
1999 Subaru Legacy L 2.2L Poor Idle Quality, MIL Lamp on VIN: 4S3BK435XX
P1133: Air Fuel Sensor (Bank 1 Sensor 1) Heater Circuit High Input. hello to all. this subaru is giving me all types of trouble and need help! the customer tried to replace the head gaskets. he got the timing belt installed wrong and towed it to me. i put the belt on correctly and got the car to start. and finnished installing...
February 05, 2010
1999 Toyota RAV4 2.0L Excessive Emissions, Poor Idle Quality, Hesitation, Poor Fuel Economy, MIL Lamp on VIN: JT3GP10V2X
P1133: Air Fuel Ratio Sensor (Bank 1 Sensor 1) Slow Response. ... come on intermittently at first with loss of power and rough idle. Searched TSB's. Found bulletin# EG012-01 for code P1133. Installed updated Toyota Air/Fuel ratio sensor,(new plugs, fuel filter,& air filter couple of weeks earlier). All was well for a...
February 19, 2010
1999 Toyota RAV4 2.0L Excessive Emissions, Poor Idle Quality, Hesitation, Poor Fuel Economy, MIL Lamp on VIN: JT3GP10V2X
P1133: Air Fuel Ratio Sensor (Bank 1 Sensor 1) Slow Response. ... come on intermittently at first with loss of power and rough idle. Searched TSB’s. Found bulletin# EG012-01 for code P1133. Installed updated Toyota Air/Fuel ratio sensor,(new plugs, fuel filter,& air filter couple of weeks earlier). All was well for a...
February 03, 2010
1999 Subaru Legacy L 2.2L Poor Idle Quality, MIL Lamp on VIN: 4S3BK435XX
P1133: Air Fuel Sensor (Bank 1 Sensor 1) Heater Circuit High Input. hello to all. this subaru is giving me all types of trouble and need help! the customer tried to replace the head gaskets. he got the timing belt installed wrong and towed it to me. i put the belt on correctly and got the car to start. and finnished installing...
February 05, 2010
1999 Toyota RAV4 2.0L Excessive Emissions, Poor Idle Quality, Hesitation, Poor Fuel Economy, MIL Lamp on VIN: JT3GP10V2X
P1133: Air Fuel Ratio Sensor (Bank 1 Sensor 1) Slow Response. ... come on intermittently at first with loss of power and rough idle. Searched TSB’s. Found bulletin# EG012-01 for code P1133. Installed updated Toyota Air/Fuel ratio sensor,(new plugs, fuel filter,& air filter couple of weeks earlier). All was well for a...
February 19, 2010