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Home › Saab › 2003 › 9-3 Vector, Automatic › Repair and Diagnosis › Engine Performance › System › TRIONIC T7 Fuel Control System › Technical Description › Brief description › Manifold absolute pressure sensor (431)

Manifold absolute pressure sensor (431)

Informs the control module of the pressure in front of the throttle.
Used to correct the value from the mass air flow sensor during rapid load changes.