2010 JAGUAR XFR Workshop Manual

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Page 1593 of 3039

JAGUAR XFR 2010 1.G Workshop Manual 1 Anti-trickle valve assembly 2 Wide bore filler neck 3 Fuel cap 4 Fuel cap lanyard 5 DMTL breather hose 6 DMTL breather filter 7 Fuel filler pipe 8 Connection of leak pipe to tank vapor line 9 Connec

Page 1594 of 3039

JAGUAR XFR 2010 1.G Workshop Manual installed in a manifold in the fuel delivery line. The manifold is located in the rear of the front LH wheelarch, behind the splash shield.

Page 1595 of 3039

JAGUAR XFR 2010 1.G Workshop Manual Published: 28-Jul-2014
Fuel Tank and Lines - V8 5.0L Petrol/V8 S/C 5.0L Petrol - Fuel Tank and
Lines
Diagnosis and Testing

Principle of Operation

For a detailed description of the fuel tank a

Published: 28-Jul-2014
Fuel Tank and Lines - V8 5.0L Petrol/V8 S/C 5.0L Petrol - Fuel Tank and
Lines
Diagnosis and Testing

Principle of Operation

For a detailed description of the fuel tank and lines system and operation, refer to the relevant Description and Operation
section of the workshop manual. REFER to: (310-01C Fuel Tank and Lines - V8 5.0L Petrol/V8 S/C 5.0L Petrol)

Fuel Tank and Lines (Description and Operation), Fuel Tank and Lines (Description and Operation), Fuel Tank and Lines (Description and Operation).
Inspection and Verification

WARNINGS:

Eye protection must be worn at all times when working on or near any fuel related components. Failure to follow this
instruction may result in personal injury.

This procedure involves fuel handling. Be prepared for fuel spillage at all times and always observe fuel handling
precautions. Failure to follow this instruction may result in personal injury.

After carrying out repairs, the fuel system must be checked visually for leaks. This should be done after the engine has
been run, but with the engine switched OFF. Failure to follow this instruction may result in personal injury.

If taken internally, DO NOT induce vomiting. Seek immediate medical attention. Failure to follow this instruction may
result in personal injury.

If fuel contacts the eyes, flush the eyes with cold water or eyewash solution and seek medical attention. Failure to follow
this instruction may result in personal injury.

Wash hands thoroughly after handling, as prolonged contact may cause irritation. Should irritation develop, seek medical
attention. Failure to follow this instruction may result in personal injury.
CAUTIONS:

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.

It is essential that absolute cleanliness is observed when working with these components. Always install blanking plugs
to any open orifices or lines. Failure to follow this instruction may result in damage to the vehicle.

Diagnosis by substitution from a donor vehicle is NOT acceptable. Substitution of control modules does not guarantee
confirmation of a fault, and may also cause additional faults in the vehicle being tested and/or the donor vehicle.
NOTES:

Check and rectify basic faults before beginning diagnostic routines involving pinpoint tests.

When measuring fuel sender resistance values with a multimeter, it is critical to use the correct multimeter setting. The
multimeter should not be on the 'Auto' setting and must be set to 'Manual'. This will help prevent incorrect diagnosis and
unnecessary replacement of fuel senders. If the multimeter range is set at 'Auto' then, during a sweep of the sender from 50
Ohms to 998 Ohms, the multimeter has to change its measurement range. For approximately 1 second, during the range switch
over point, the multimeter display indicates an open circuit. This can lead to a mis-diagnosis of a fuel sender fault.
1. Verify the customer concern
2. Visually inspect for obvious signs of damage and system integrity

Page 1596 of 3039

JAGUAR XFR 2010 1.G Workshop Manual Visual Inspection

Mechanical Electrical
Low/contaminated fuel
Fuel supply/return line(s)
Fuel tank and filler pipe
Fuel leak(s)
Fuel filler cap
Fuel filter
Push connect fittings
Fuel pump

Visual Inspection

Mechanical Electrical
Low/contaminated fuel
Fuel supply/return line(s)
Fuel tank and filler pipe
Fuel leak(s)
Fuel filler cap
Fuel filter
Push connect fittings
Fuel pump
Fuses
Links
Relays
Fuel Pump Driver Module (FPDM)
Fuel pump module
Sensor(s)
Engine control module (ECM)
Rear Junction Box (RJB)
Restraints Control Module (RCM)
3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to
the next step

4. If the cause is not visually evident, verify the symptom and refer to the Symptom Chart, alternatively check for
Diagnostic Trouble Codes (DTCs) and proceed to the DTC Index

Symptom Chart

Symptom Possible Causes Action Engine cranks, but does not
fire
Engine breather system
disconnected/restricted
Ignition system
Fuel system
Electronic engine control
Ensure the engine breather system is free from
restriction and is correctly installed
Check for ignition system, fuel system and electronic
engine control DTCs and refer to the relevant DTC
Index Engine cranks and fires, but
will not start
Evaporative emissions purge
valve
Fuel pump
Spark plugs
HT short to ground (tracking)
check rubber boots for
cracks/damage
Ignition system
Check for evaporative emissions, fuel system and
ignition system related DTCs and refer to the
relevant DTC Index Difficult cold start
Engine coolant level/anti-
freeze content
Battery
Electronic engine controls
Fuel pump
Purge valve
Check the engine coolant level and condition
Ensure the battery is in a fully charged and
serviceable condition
Check for electronic engine controls, engine
emissions, fuel system and evaporative emissions
system related DTCs and refer to the relevant DTC
Index Difficult hot start
Injector leak
Electronic engine control
Purge valve
Fuel pump
Ignition system
Check for injector leak, install new injector as
required
Check for electronic engine controls, evaporative
emissions, fuel system, ignition system and engine
emission system related DTCs and refer to the
relevant DTC Index Difficult to start after hot
soak (vehicle standing,
engine off, after engine has
reached operating
temperature)
Injector leak
Electronic engine control
Purge valve
Fuel pump
Ignition system
Check for injector leak, install new injector as
required
Check for electronic engine controls, evaporative
emissions, fuel system, ignition system and engine
emission system related DTCs and refer to the
relevant DTC Index Engine stalls soon after start
Breather system
disconnected/restricted
ECM relay
Electronic engine control
Ignition system
Air intake system restricted
Air leakage
Fuel lines
Ensure the engine breather system is free from
restriction and is correctly installed
Check for electronic engine control, ignition system
and fuel system related DTCs and refer to the
relevant DTC Index
Check for blockage in air filter element and air
intake system
Check for air leakage in air intake system Engine hesitates/poor
acceleration
Fuel pressure, fuel pump,
fuel lines
Injector leak
Air leakage
Check for fuel system related DTCs and refer to the
relevant DTC Index
Check for injector leak, install new injector as
required www.JagDocs.com

Page 1597 of 3039

JAGUAR XFR 2010 1.G Workshop Manual
Symptom Possible Causes Action Electronic engine control
Throttle motor
Restricted accelerator pedal
travel (carpet, etc)
Ignition system
Transmission malfunction Check for air leakage in air

Symptom Possible Causes Action Electronic engine control
Throttle motor
Restricted accelerator pedal
travel (carpet, etc)
Ignition system
Transmission malfunction Check for air leakage in air intake system
Ensure accelerator pedal is free from restriction
Check for electronic engine controls, ignition, engine
emission system and transmission related DTCs and
refer to the relevant DTC Index Engine backfires
Fuel pump/lines
Air leakage
Electronic engine controls
Ignition system
Sticking variable camshaft
timing (VCT) hub
Check for fuel system failures
Check for air leakage in intake air system
Check for electronic engine controls, ignition system
and VCT system related DTCs and refer to the
relevant DTC Index Engine surges
Fuel pump/lines
Electronic engine controls
Throttle motor
Ignition system
Check for fuel system failures
Check for electronic engine controls, throttle system
and ignition system related DTCs and refer to the
relevant DTC Index Engine detonates/knocks
Fuel pump/lines
Air leakage
Electronic engine controls
Sticking VCT hub
Check for fuel system failures
Check for air leakage in intake air system
Check for electronic engine controls and VCT system
related DTCs and refer to the relevant DTC Index No throttle response
Electronic engine controls
Throttle motor
Check for electronic engine controls and throttle
system related DTCs and refer to the relevant DTC
Index Poor throttle response
Breather system
disconnected/restricted
Electronic engine controls
Transmission malfunction
Traction control event
Air leakage
Ensure the engine breather system is free from
restriction and is correctly installed
Check for electronic engine controls, transmission
and traction control related DTCs and refer to the
related DTC Index
Check for air leakage in intake air system Fuel gauge reading empty
with fuel in the fuel tank
Active fuel level sensor
circuit open circuit
Passive fuel level sensor
circuit open circuit
Instrument cluster internal
failure
Using the manufacturer approved diagnostic system,
perform the guided diagnostic routine - Fuel Level
Sensor Test Fuel gauge not reading empty
with no fuel in the fuel tank
Jet pump fault
Fuel crossover tube blocked
or leaking
Using the manufacturer approved diagnostic system,
check datalogger signals - Fuel Sender 2 (0x61B8) -
Fuel Sender 1 (0x61B7). Refer to the table below. If
the right sensor reads empty when the left sensor
reads more than empty, check that the jet pump is
transferring fuel from the left side to the right side Fuel Gauge, Resistance, Voltage And Fuel Tank Level Comparison Chart

Use the chart to determine fuel tank fuel volume versus fuel gauge reading to determine the fuel level symptom and fault.
NOTES:

The vehicle must be parked on a level surface to obtain an accurate fuel level gauge reading.

The actual values may vary, according to the quantity of fuel in the left and right sides of the fuel tank.

An accurate fuel level gauge reading requires 3 to 5 minutes for levels to stabilise.

Volume, Resistance and Voltage Values

Gauge Reading
Fill Volume (L) Fuel Sender 2 (0x61B8) - Right side Fuel Sender 1 (0x61B7) - Left side Resistance (Ω) CAN Count (Tolerance ± 10) Resistance (Ω) CAN Count (Tolerance ± 10) 0 52 75 51 74 2 60 86 51 74 4 76 107 51 74

Page 1598 of 3039

JAGUAR XFR 2010 1.G Workshop Manual Resistance (Ω) CAN Count (Tolerance ± 10) Resistance (Ω) CAN Count (Tolerance ± 10) 6 86 119 51 74 8 121 160 51 74 10 151 191 51 74 Empty 12 183 223 51 74 14 205 244 51 74 16 242 276 51 74

Page 1599 of 3039

JAGUAR XFR 2010 1.G Workshop Manual Published: 11-May-2011
Fuel Tank and Lines - V8 5.0L Petrol/V8 S/C 5.0L Petrol - Fuel Level Sender
Removal and Installation

Removal

NOTE: Removal steps in this procedure may contain installa

Page 1600 of 3039

JAGUAR XFR 2010 1.G Workshop Manual Published: 09-Dec-2012
Fuel Tank and Lines - V8 5.0L Petrol/V8 S/C 5.0L Petrol - Fuel Pump and
Sender Unit
Removal and Installation

Removal

NOTE: Removal steps in this procedure may conta

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