Home/Oldsmobile/Eighty-Eight/Oldsmobile Eighty-Eight X (1992-1999)/Repair manual/Testing & Diagnostics/DTC P0108 - MAP SENSOR CIRCUIT HIGH VOLTAGE

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DTC P0108 - MAP SENSOR CIRCUIT HIGH VOLTAGE Oldsmobile Eighty-Eight X

Testing & Diagnostics

Note. For circuit reference, see DTC P0106 schematic.

Circuit Description

Manifold Absolute Pressure (MAP) sensor measures changes in intake manifold pressure (vacuum). A low voltage signal, 2 volts, is sent to PCM on signal circuit at closed throttle (high vacuum). A high voltage signal, 4 volts, is sent at wide open throttle (low vacuum).