P1135 Subaru HO2S Heater Circuit- Bank 1 & 2 Sensor 2 Electrical Malfunction

P1135 Subaru HO2S Heater Circuit- Bank 1 & 2 Sensor 2 Electrical Malfunction

Possible causes
– Faulty O2 Sensor
– O2 Sensor harness is open or shorted
– O2 Sensor circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1135 Subaru Description

A Heated Exhaust Oxygen (HO2S) sensor indicating rich at the end of a test is trying to correct for an over-lean condition. The test fails when the fuel control system no longer detects switching for a calibrated amount of time.

Subaru Vehicle:Subaru Forester,Subaru Impreza,Subaru Legacy,Subaru Outback,Subaru Tribeca,
CategoriesUncategorized