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Home >> Jaguar >> 2014 >> XK Base, 2D Coupe >> Repair and Diagnosis >> External Pages >> Different car >> Section 91 (Electronic Engine Controls - V8 S/C 5.0L Petrol -- XK/X150) >> Electronic Engine Controls - V8 S/C 5.0L Petrol >> Electronic Engine Controls >> Description And Operation >> Manifold Absolute Pressure Sensor

Manifold Absolute Pressure Sensor

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2015 Jaguar XKR-S, 2015 Jaguar XKR, 2014 Jaguar XKR-S, 2014 Jaguar XKR, and 2013 Jaguar XKR-S. However, it is still accessible from the selected car via links, so may be relevant.
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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 SC (supercharger). 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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