Possible causes
– Faulty Front Oxygen A/F Sensor 11
– Front Oxygen A/F Sensor 11 harness is open or shorted
– Front Oxygen A/F Sensor 11 circuit poor electrical connection
– Front Oxygen A/F Sensor 11 harness is open or shorted
– Front Oxygen A/F Sensor 11 circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)