Inspection And Verification
WARNING: This page is about a different car, the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, 2016 Land Rover Range Rover, 2015 Land Rover Range Rover, and 2014 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Do NOT
carry out any work on the fuel system with the engine running. The fuel pressure within the system can be as high as 1600 bar (23, 206 lb/in2
). Failure to follow this instruction may result in personal injury.
CAUTION:
Before disconnecting any part of the system, it is imperative that all dust, dirt and debris is removed from around components to prevent ingress of foreign matter into the fuel system. Failure to follow this instruction may result in damage to the vehicle.
NOTE:
Check and rectify basic faults before beginning diagnostic routines involving pinpoint tests.
- Verify the customer concern.
- Visually inspect for obvious signs of mechanical or electrical damage.
VISUAL INSPECTION CHART
MECHANICAL ELECTRICAL - Fuel level
- Contaminated fuel
- Fuel supply line(s)
- Fuel return line(s)
- High-pressure fuel supply line(s)
- Fuel tank filler pipe
- Fuel leak(s)
- Fuel tank
- Fuel filler cap
- Fuel filter
- Push connect fittings
- Fuel rail
- Fuel injection pump
- Battery charge and condition
- Fuse(s)
- Fuel pump module (lift pump)
- Fuel pump module relay
- Electrical connector(s)
- Damaged or corroded wiring harness
- Fuel volume control valve
- Fuel pressure control valve
- Engine control module
- If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
- If the cause is not visually evident, verify the symptom and refer to the Symptom Chart, alternatively check for Diagnostic Trouble Codes (DTCs) and refer to the DTC index.