Principles Of Operation
WARNING: This page is about a different car, the 2015 Jaguar XK, 2014 Jaguar XK, 2013 Jaguar XK, and 2012 Jaguar XK. However, it is still accessible from the selected car via links, so may be relevant.
The ECM controls the output from the HP fuel pumps to deliver the required volume of fuel at pressures up to 150 bar (2175 lbf/in).
The ECM also uses the signal from the FRP sensor to calculate the time the fuel injectors need to be energized to deliver the correct mass of fuel to the combustion chambers.