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Home >> Jaguar >> 2012 >> XF Supercharged >> Repair and Diagnosis (Single Page) >> Engine Performance >> Fuel Delivery >> Fuel Charging & Controls - V8 5.0L Petrol/V8 S/C 5.0L Petrol -- XF/X250 >> Fuel Charging And Controls - V8 5.0L Petrol/V8 S/C 5.0L Petrol >> Description And Operation >> Fuel Charging And Controls - System Operation And Component Description (G1088358) >> System Operation >> General

System Operation: General

The ECM (engine control module) controls the output from the HP fuel pumps to deliver the required volume of fuel at pressures up to 150 bar (2175 lbf/in 2 ).

The ECM 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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