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P1150 Toyota

P1150 Toyota - Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction Bank 2 Sensor 1

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P1150 Toyota Comments |  Add Comment
Possible causes
- Faulty Air fuel Ratio (A/F) Bank 2 Sensor 1
- Air fuel Ratio (A/F) Bank 2 Sensor 1 harness is open or shorted
- Air fuel Ratio (A/F) Bank 2 Sensor 1 circuit poor electrical connection
- Fuel pressure
- Fuel injector
- Intake air leaks
Help with Possible causes What does this mean?
When is the code detected?
The 1150 code is set when A/F sensor output voltage change value is not what the Engine Control Module (ECM) is expecting.
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1150 Toyota Description

The Air-Fuel ratio (A/F) sensor varies its output voltage in proportion to the air-fuel ratio. Based on the output voltage, the Engine Control Module (ECM) determines if the air-fuel ratio is RICH or LEAN and adjusts the stoichiometric air-fuel ratio. The ECM also checks the fuel injection volume compensation value to check if the A/F sensor is deteriorating or not. A/F sensor response deterioration is determined by the ratio of the A/F sensor output voltage variation and fuel trim variation.

TOYOTA Technical Service Bulletins for P1150 code
2002 TOYOTA CAMRY Engine And Engine Cooling:engine Details
2002 TOYOTA CAMRY Engine And Engine Cooling:engine Details
2002 TOYOTA CAMRY Engine And Engine Cooling:engine Details
2002 TOYOTA CAMRY Engine And Engine Cooling:engine Details
2001 TOYOTA HIGHLANDER Unknown Or Other Details
2001 TOYOTA HIGHLANDER Unknown Or Other Details
2001 TOYOTA HIGHLANDER Unknown Or Other Details
Help with Technical Service Bulletins What does this mean?
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