P2196 – 2007_TOYOTA_HIGHLANDER

Code : P2196
Make : 2007_TOYOTA_HIGHLANDER
Description : P2196 2007 TOYOTA HIGHLANDER Oxygen Air/Fuel Sensor Signal Stuck Rich Bank 1 Sensor 1
Possible causes :
– Faulty Oxygen Air/Fuel Sensor Bank 1 Sensor 1
– Oxygen Air/Fuel Sensor Bank 1 Sensor 1 harness is open or shorted
– Oxygen Air/Fuel Sensor Bank 1 Sensor 1 circuit poor electrical connection
– Faulty EFI Relay
– Faulty Injector
– Faulty Engine Control Module (E
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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