I had a problem with GM 3bar MAP, the value of map volt just 1.63v and not moving at all.. just sit same voltage value (about 106kpa).. i tried to calibrate the map and get "MAp Sensor Calibration command failed : Current MAP <5kPa or >5kPa of baro reading" .. i have check all wiring between ecu and map and everything ok..
The car running great a day before... Can u help me please..?