Code P0231 Possible Causes
Damaged Engine search?Control Module ECM
Faulty Fuel Pump Relay
Open Fuel Pump Monitor Circuit
Boost pressure sensor circuit poor electrical connection
Boost pressure sensor harness is open or shorted
Engine over temperature
Faulty boost pressure sensor

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.