Ford P1171 OBD-II Trouble Code Definition: P1171 DV-E Failure: Position Deviation (Bank 2) P1171 Ford OBD-II Trouble CodeDescription: Ferrari OBD Trouble Code P1171 DV-E Failure: Position Deviation (Bank 2) Solutions Deviation too high (plaus) 1 reset DV-E adaptation value 2 key off and on again, engine off 3 read learning step counter. Has to be 9 […]