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Home >> Land Rover >> 2015 >> Range Rover Autobiography >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (Electronic Engine Controls - V8 S/C 5.0L Petrol -- Range Rover/L405) >> Electronic Engine Controls - V8 S/C 5.0L Petrol >> Electronic Engine Controls (Description And Operation) >> Description And Operation >> Description >> Manifold Absolute Pressure And Temperature (MAPT) Sensor

Manifold Absolute Pressure And Temperature (MAPT) Sensor

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The Manifold Absolute Pressure and Temperature (MAPT) sensor allows the Powertrain Control Module (PCM) to calculate the charge air density and temperature immediately before it enters the cylinders. This is used to adjust the ignition timing relative to the boost pressure, and to monitor the performance of the charge air coolers.

The MAPT sensor is installed in the rear of the left intake manifold. The sensor is secured with a single screw and sealed with an O-ring. A four pin electrical connector provides the interface with the engine harness.

With a failed MAPT sensor, the engine will suffer from poor starting, rough running and poor drive ability.

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