2010 JAGUAR XFR Workshop Manual

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Page 1185 of 3039

JAGUAR XFR 2010 1.G Workshop Manual RH fuel rail. The FRP sensor is screwed into a threaded boss in the fuel rail. A flying lead and three pin connector provides the interface with the engine harness.

The FRP sensor contains a steel

Page 1186 of 3039

JAGUAR XFR 2010 1.G Workshop Manual injectors with 65 V, then once the boost current reaches 11 A the power supply is switched to battery voltage. The ECM meters the amount of fuel injected into the combustion chambers by adjusting the

Page 1187 of 3039

JAGUAR XFR 2010 1.G Workshop Manual Published: 11-May-2011
Fuel Charging and Controls - V8 S/C 5.0L Petrol - Fuel Charging and Controls
Diagnosis and Testing

Principles of Operation

For a detailed description of the fuel chargin

Published: 11-May-2011
Fuel Charging and Controls - V8 S/C 5.0L Petrol - Fuel Charging and Controls
Diagnosis and Testing

Principles of Operation

For a detailed description of the fuel charging and controls system and operation, refer to the relevant Description and
Operation section of the workshop manual. REFER to:

Fuel Charging and Controls (303-04D Fuel Charging and Controls - V8 5.0L Petrol, Description and Operation), Fuel Charging and Controls (303-04D Fuel Charging and Controls - V8 5.0L Petrol, Description and Operation), Fuel Charging and Controls (303-04D Fuel Charging and Controls - V8 5.0L Petrol, Description and Operation), Fuel Charging and Controls (303-04E Fuel Charging and Controls - V8 S/C 5.0L Petrol, Description and Operation), Fuel Charging and Controls (303-04E Fuel Charging and Controls - V8 S/C 5.0L Petrol, Description and Operation), Fuel Charging and Controls (303-04E Fuel Charging and Controls - V8 S/C 5.0L Petrol, Description and Operation).
Inspection and Verification

CAUTION: 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 checked and/or the donor vehicle.

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

1. Verify the customer concern.
2. Visually inspect for obvious signs of mechanical or electrical damage.

Visual Inspection
Mechanical Electrical
Fuel level
Fuel leaks
Damaged fuel lines
Damaged push connect fittings
Fuel contamination/grade/quality
Throttle body
Damaged fuel tank filler pipe cap
Damaged fuel tank filler pipe
Fuses
Loose or corroded electrical connectors
Harnesses
Sensor(s)
Engine Control Module (ECM)
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 refer 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
Exhaust Gas Recirculation
(EGR) valve stuck open
Fuel pump 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 www.JagDocs.com

Page 1188 of 3039

JAGUAR XFR 2010 1.G Workshop Manual
Symptom Possible Causes Action Purge valve
Difficult hot start
Injector leak
Electronic engine control
Purge valve
Fuel pump
Ignition system
EGR valve stuck open Check for injector leak, i

Symptom Possible Causes Action Purge valve
Difficult hot start
Injector leak
Electronic engine control
Purge valve
Fuel pump
Ignition system
EGR valve stuck open 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
EGR valve stuck open 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
Electronic engine control
Throttle motor
Restricted accelerator pedal
travel (carpet, etc)
Ignition system
EGR valve stuck open
Transmission malfunction Check for fuel system related DTCs and refer to the
relevant DTC Index. Check for injector leak, install new
injector as required. 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 control
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 DTC Index

For a list of Diagnostic Trouble Codes (DTCs) that could be logged in the Engine Control Module (ECM), please refer to Section
303-14.
REFER to: Electronic Engine Controls (303-14C Electronic Engine Controls - V8 5.0L Petrol, Diagnosis and Testing) / Electronic Engine Controls (303-14D Electronic Engine Controls - V8 S/C 5.0L Petrol, Diagnosis and Testing).

Page 1189 of 3039

JAGUAR XFR 2010 1.G Workshop Manual Published: 11-May-2011
Fuel Charging and Controls - V8 S/C 5.0L Petrol - Fuel Injection Component Cleaning
General Procedures

General Equipment

WARNINGS: Cleaning

Do not carry out any

Published: 11-May-2011
Fuel Charging and Controls - V8 S/C 5.0L Petrol - Fuel Injection Component Cleaning
General Procedures

General Equipment

WARNINGS: Cleaning

Do not carry out any repairs to the fuel system with the engine running. Failure to follow this instruction may result in
personal injury.

Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel related components.
Highly flammable vapors are always present and may ignite. Failure to follow these instructions may result in personal injury.

If fuel contacts the eyes, flush the eyes with cold water or eyewash solution and seek immediate medical attention.

Place the vehicle in a well ventilated, quarantined area and arrange ' No Smoking/Petrol Fumes' signs about the vehicle.

Wash hands thoroughly after fuel handling, as prolonged contact may cause irritation. Should irritation develop, seek
medical attention.

Do not carry or operate cellular phones when working on or near any fuel related components. Highly flammable vapors
are always present and may ignite. Failure to follow these instructions may result in personal injury.
CAUTIONS:

Before using the cleaning fluid, protect all electrical components and connectors with lint-free non-flocking material.
Make sure that all parts removed from the vehicle are placed on the lint-free non-flocking material.
Make sure that any protective clothing worn is clean and made from lint-free non-flocking material.

Make sure that clean non-plated tools are used. Clean tools using a new brush that will not lose its bristles, prior to
starting work on the vehicle.

Use a steel topped workbench and cover it with clean, lint-free non-flocking material.

Make sure the workshop area in which the vehicle is being worked on is as clean and as dust free as possible. Foreign
matter from work on clutches, brakes or from machining or welding operations can contaminate the fuel system and may result
in later malfunction.

1. Using a new brush that will not lose its bristles, brush the components
being removed and the surrounding area.

2. Using a pneumatic vacuum gun, remove all traces of foreign material.

General Equipment: Pneumatic vacuum gun Pneumatic vacuum gun

Page 1190 of 3039

JAGUAR XFR 2010 1.G Workshop Manual Petrol, Removal and Installation).

Installation

1. Refer to: Fuel Rail RH (303-04E Fuel Charging and Controls - V8 S/C 5.0L Petrol, Removal and Installation).

Page 1191 of 3039

JAGUAR XFR 2010 1.G Workshop Manual
Fuel Charging and Controls - V8 S/C 5.0L Petrol - Fuel Rail LH
Removal and Installation

Special Tool(s)

303-1450
Spark Plug Remover/Installer
310-197
Remover, Fuel Injector
310-198

Page 1192 of 3039

JAGUAR XFR 2010 1.G Workshop Manual
Removal steps in this procedure may contain installation details.

Some variation in the illustrations may occur, but the essential information is always correct.

1. Refer to: Petrol and Petr

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