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Home >> Jaguar >> 2015 >> XFR-S >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (Fuel Charging & Controls - GTDI 2.0L Petrol -- XF/X250) >> Fuel Charging And Controls - GTDI 2.0L Petrol >> Description And Operation >> Fuel Charging And Controls - System Operation And Component Description (G1550500) >> Principles Of Operation

Principles Of Operation

WARNING: This page is about a different car, the 2015 Jaguar XF, 2014 Jaguar XF, and 2013 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.

The ECM (engine control module) controls the output from the HP fuel pump to deliver the required volume of fuel at pressures up to 150 bar (2175 lbf/in2 ).

The ECM also uses the signal from the FRP (fuel rail pressure) sensor to calculate the time the fuel injectors need to be energized to deliver the correct mass of fuel to the combustion chambers.

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