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Home >> Land Rover >> 2022 >> Defender 90 S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Electronic Engine Controls - V8 S/C 5.0L Petrol -- Defender/L663) >> Electronic Engine Controls - V8 S/C 5.0L Petrol (G2796672) >> Description And Operation >> Electronic Engine Controls - V8 S/C 5.0L Petrol (G2796673) >> Description >> Manifold Absolute Pressure And Temperature Sensor

Manifold Absolute Pressure And Temperature Sensor

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G14290007Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

The MAPT  allows the PCM  to calculate the charge air density and temperature. The MAPT  is located immediately before the air 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  is located in the rear of the left intake manifold. The sensor is installed with a single screw and sealed with an o-ring. A 4-pin electrical connector provides the interface with the engine wiring harness.

If the MAPT  fails, the engine suffers from poor starting, rough running and poor driveability.

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