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• 20:30, 6 July 2026 Cliff talk contribs created page Manifold absolute pressure sensor (Created page with "'''Manifold absolute pressure sensor''' refers to the manifold-pressure sensor used by the Pontiac Fiero ECM. The manifold absolute pressure sensor tells the ECM how much pressure or vacuum is present in the intake manifold. The ECM uses this information to estimate engine load and to calculate fuel delivery, ignition timing, and drivability behavior. == Overview == The manifold absolute pressure sensor is often abbreviated as MAP sensor. The MAP sensor is on...")