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P2097 – ACURA

Code : P2097
Make : ACURA
Description : P2097 ACURA Post Catalyst Fuel Trim System Too Rich Bank 1
Possible causes :
– Faulty Air/Fuel Ratio (A/F) Sensor (Sensor 1)
– A/F sensor (sensor 1) circuit range/performance
– Fuel system too lean
– Fuel system too rich
– Secondary HO2S (sensor 2) circuit signal stuck lean
– Secondary HO2S (sensor 2) circuit high voltage
– Secondary HO2S
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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