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Home >> Jaguar >> 2016 >> XJR L >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (Electronic Engine Controls - V8 N/A 5.0L Petrol -- XJ/X351) >> Description And Operation >> Electronic Engine Controls - System Operation And Component Description (G1772581) >> Component Description >> Manifold Absolute Pressure Sensor

Manifold Absolute Pressure Sensor

WARNING: This page is about a different car, the 2013 Jaguar XJ, 2012 Jaguar XJ, 2011 Jaguar XJ, and 2010 Jaguar XJ. However, it is still accessible from the selected car via links, so may be relevant.
G11293280

The MAP sensor allows the ECM to calculate the load on the engine, which is used in the calculation of fuel injection time.

The MAP sensor is installed in the air inlet of the intake manifold. The sensor is secured with a single screw and sealed with an O-ring. A three pin electrical connector provides the interface with the engine harness.

If the MAP sensor fails, the ECM adopts a default value of 1 bar (14.5 lbf/in.2 ).

With a failed MAP sensor, the engine will suffer from poor starting, rough running and poor driveability.

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