P0154 HONDA Front Air/Fuel Ratio Sensor Bank 2, Sensor 1 Heater System Malfunction

Possible causes

– Faulty Air/Fuel Ratio Sensor Bank 1
– Air/Fuel Ratio Sensor Bank 1 harness is open or shorted
– Air/Fuel Ratio Sensor Bank 1 circuit poor electrical connection
– Inappropriate fuel pressure
– Faulty fuel injectors
– Intake air leaks may be faulty
– Exhaust gas leaks

Tech description

For the following Honda models:

2003