Description And Operation: Overview

WARNING: This page is about a different car, the 2018 Jaguar XE and 2017 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.

The fuel delivery system incorporates Low Pressure (LP) and High Pressure (HP) circuits to provide the engine with sufficient fuel for all operating conditions.

The LP fuel system features the following components:

Molded plastic saddle type fuel tank
Fuel pump module (with integral in-tank Low Pressure (LP) fuel pump)
Two fuel level sensors
Fuel delivery and return lines
Fuel filter assembly
Fuel cooler
Fuel Pump Driver Module (FPDM).
Auxiliary fuel filter assembly (If fitted - low quality fuel markets only).

On vehicles without an auxiliary fuel pump - Fuel is supplied from the Low Pressure (LP) fuel pump in the fuel tank mounted fuel pump module to the High Pressure (HP) fuel pump mounted on the engine.

On vehicles with an auxiliary fuel pump - Fuel is supplied from the LP fuel pump in the fuel tank mounted fuel pump module to the auxiliary fuel pump in the engine compartment. The auxiliary fuel pump supplies fuel to the HP fuel pump mounted on the engine.

The in-tank LP fuel pump also supplies fuel to two jets pumps on either side of the fuel tank to provide that the fuel pump module swirl pot is kept full.

The HP fuel system features a Bosch 'Common rail', HP system. For additional information, refer to: Fuel Charging and Controls .

On vehicles for low quality fuel markets an additional auxiliary fuel filter and pump assembly is fitted.

On vehicles in cold climate markets, a modified fuel pump module is installed on vehicles fitted with a Fuel Fired Booster Heater (FFBH). A FFBH fuel pump is mounted on the right side of fuel tank. A separate fuel line draws fuel from the fuel pump module to the FFBH fuel pump and an additional fuel line delivers the fuel to the FFBH in the engine compartment.

For additional information, refer to: Fuel Fired Booster Heater .

If the vehicle is equipped with Selective Catalyst Reduction (SCR) system, the Diesel Exhaust Fluid (DEF) tank is located in the left side of the luggage compartment.

For additional information, refer to: Selective Catalyst Reduction .