Code P0134 Possible Causes
Front Heated Oxygen Sensor Bank 1 harness is open or shorted
Inappropriate fuel pressure
Intake air leaks may be faulty
Faulty Engine Control Module ECM
Faulty Heated Oxygen Sensor H2OS Bank 1 Sensor 1
Need help with this code? Our mechanics are available within west Michigan to help. Outside of our service area? Visit our Car Help Section where you can ask questions and get answers.