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P2A00 – 2006_TOYOTA_HIGHLANDER

Code : P2A00
Make : 2006_TOYOTA_HIGHLANDER
Description : P2A00 2006 TOYOTA HIGHLANDER A/F Sensor Circuit Slow Response Bank 1 Sensor 1
Possible causes :
– Faulty Air fuel Ratio (A/F) Bank 1 Sensor 1
– Air fuel Ratio (A/F) Bank 1 Sensor 1 harness is open or shorted
– Air fuel Ratio (A/F) Bank 1 Sensor 1 circuit poor electrical connection
– Fuel pressure
– Fuel injector
– Intake air leaks
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.

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