|
http://workshop-manuals.com/volvo/850/l5-2.3l_turbo_vin_57_b5234ft/powertrain_management/computers_and_control_systems/oxygen_sensor/component_information/diagrams/diagram_information_and_instructions/page_7660/
workshop-manuals.com is a great site. looks like the 50/51 grounds are in the same plug. Site shows resistance values for various components. The maf should be 110 ohms between 1 and 4 plug....looks like my old one I thought was bad is still good. Must have been the coil that went bad....
|