Malibu Monsoon M‑Series MAP Sensor - OEM Engine Manifold PressureRestore crisp throttle response and reliable engine performance with the Malibu Monsoon MSeries MAP (Manifold Absolute Pressure) Sensor. This OEM style sensor measures intake manifold pressure so the engine control system can deliver the correct fuel and ignition timing under changing load conditions. A faulty MAP sensor can contribute to rough idle, hesitation, poor fuel economy, hard starting, or warning diagnostic codesreplacing it helps bring your