Possible causes

– Exhaust leak near O2 sensor
– Faulty O2 sensor
– Fuel contamination

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P2097 Description

The ECM has detected a fault with the downstream O2 sensor

P2097 Information for specific makes

P2097 SUBARU
P2097 DODGE
P2097 HYUNDAI
P2097 CHRYSLER
P2097 JEEP
P2097 FORD