How to use the On-Board Diagnostic (OBD) unit.

OBD unit is in the engine compartment The Volvo 240, 740, 760, 780, 940 and 960 cars from 1989, non-turbo engines only and 1990 to 1995 for both turbo and non-turbo engines were fitted with an On-Board Diagnostic (OBD) unit … Continue reading →