Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSJAGUAR2005XJ8 BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALFUEL SYSTEMFUEL TANK AND LINES (2003.5-09)
2005 Jaguar XJ8 Base
Fuel Tank And Lines (2003.5-09)
2005 Jaguar XJ8 BaseSECTION Fuel Tank And Lines (2003.5-09)
- Specification
- Description and operation
- Diagnosis and Testing
- Fuel Tank and Lines - 3.0L/3.5L/4.2L, VIN Range: G00442->G45703
- Inspection and Verification
- Control module Power and Ground supplies
- DTC index
- Power and Ground Pinpoint test
- Pinpoint Tests
- PINPOINT TEST G251562p1 : P0460; FUEL LEVEL SENSOR(S) CIRCUIT RANGE/PERFORMANCE
- G251562t1 : CHECK THE SIGNAL CIRCUIT BETWEEN THE REM AND LEVEL SENSOR 1 FOR HIGH RESISTANCE
- G251562t4 : CHECK THE SIGNAL CIRCUIT BETWEEN THE REM AND LEVEL SENSOR 1 FOR SHORT TO GROUND
- G251562t5 : CHECK THE SIGNAL CIRCUIT BETWEEN THE REM AND LEVEL SENSOR 1 FOR SHORT TO B+
- G251562t2 : CHECK THE SIGNAL CIRCUIT BETWEEN THE REM AND LEVEL SENSOR 2 FOR HIGH RESISTANCE
- G251562t6 : CHECK THE SIGNAL CIRCUIT BETWEEN THE REM AND LEVEL SENSOR 2 FOR SHORT TO GROUND
- G251562t7 : CHECK THE SIGNAL CIRCUIT BETWEEN THE REM AND LEVEL SENSOR 2 FOR SHORT TO B+
- G251562t3 : CHECK THE COMMON CIRCUIT BETWEEN THE REM AND LEVEL SENSORS FOR HIGH RESISTANCE
- G251562t8 : CHECK THE COMMON CIRCUIT BETWEEN THE REM AND LEVEL SENSORS FOR SHORT TO GROUND
- G251562t9 : CHECK THE COMMON CIRCUIT BETWEEN THE REM AND LEVEL SENSORS FOR SHORT TO B+
- G251562t10 : CHECK THE SENSOR 1 RESISTANCE EMPTY
- G251562t11 : CHECK THE SENSOR 1 RESISTANCE FULL
- G251562t12 : CHECK THE SENSOR 2 RESISTANCE EMPTY
- G251562t13 : CHECK THE SENSOR 2 RESISTANCE FULL
- PINPOINT TEST G251562p2 : P1233; FUEL PUMP 2 DRIVE CIRCUIT FAULT
- PINPOINT TEST G251562p3 : P1234, P1236; NO FUEL PUMP COMMANDS RECEIVED BY THE ECM
- PINPOINT TEST G251562p4 : P1338; FUEL PUMP DRIVE CIRCUIT LOW/HIGH VOLTAGE
- G251562t20 : CHECK THE REM TO FUEL PUMP DRIVE CIRCUIT FOR HIGH RESISTANCE
- G251562t21 : CHECK THE REM TO FUEL PUMP DRIVE CIRCUIT FOR SHORT TO GROUND
- G251562t22 : CHECK THE REM TO FUEL PUMP DRIVE CIRCUIT FOR SHORT TO B+
- G251562t23 : CHECK THE POWER OUTPUT TO THE FUEL PUMP
- G251562t24 : CHECK THE POWER CIRCUIT TO THE FUEL PUMP FOR HIGH RESISTANCE
- PINPOINT TEST G251562p5 : P1339; FUEL PUMP 2 DRIVE CIRCUIT LOW/HIGH VOLTAGE
- G251562t25 : CHECK THE FUEL PUMP 2 MODULE TO FUEL PUMP DRIVE CIRCUIT FOR HIGH RESISTANCE
- G251562t26 : CHECK THE FUEL PUMP 2 MODULE TO FUEL PUMP DRIVE CIRCUIT FOR SHORT TO GROUND
- G251562t27 : CHECK THE FUEL PUMP 2 MODULE TO FUEL PUMP DRIVE CIRCUIT FOR SHORT TO B+
- G251562t28 : CHECK THE FUEL PUMP MODULE TO ECM MONITOR CIRCUIT FOR HIGH RESISTANCE
- G251562t29 : CHECK THE FUEL PUMP MODULE TO ECM MONITOR CIRCUIT FOR SHORT TO GROUND
- G251562t30 : CHECK THE FUEL PUMP MODULE TO ECM MONITOR CIRCUIT FOR SHORT TO B+
- PINPOINT TEST G251562p1 : P0460; FUEL LEVEL SENSOR(S) CIRCUIT RANGE/PERFORMANCE
- Fuel Tank and Lines - 3.0L/3.5L/4.2L, VIN Range: G45704->G99999
- Overview
- Inspection and Verification
- Symptom Chart
- DTC index
- Pinpoint tests
- Notes
- PINPOINT TEST G532449p1 : REM POWER AND GROUND CIRCUITS
- PINPOINT TEST G532449p9 : FUEL PUMP DRIVER MODULE (FPDM) POWER AND GROUND CIRCUITS (V8 VEHICLES WITH SUPERCHARGER)
- PINPOINT TEST G532449p3 : FUEL LEVEL SENSOR(S) CIRCUIT RANGE/PERFORMANCE
- G532449t7 : CHECK THE SIGNAL CIRCUIT BETWEEN THE REM AND LEVEL SENSOR A FOR SHORT CIRCUIT TO GROUND
- G532449t8 : CHECK THE SIGNAL CIRCUIT BETWEEN THE REM AND LEVEL SENSOR A FOR SHORT CIRCUIT TO POWER
- G532449t10 : CHECK THE SIGNAL CIRCUIT BETWEEN THE REM AND LEVEL SENSOR B FOR SHORT CIRCUIT TO GROUND
- G532449t11 : CHECK THE SIGNAL CIRCUIT BETWEEN THE REM AND LEVEL SENSOR B FOR SHORT CIRCUIT TO POWER
- G532449t13 : CHECK THE SIGNAL RETURN CIRCUIT BETWEEN THE REM AND LEVEL SENSORS FOR SHORT CIRCUIT TO GROUND
- G532449t14 : CHECK THE SIGNAL RETURN CIRCUIT BETWEEN THE REM AND LEVEL SENSORS FOR SHORT CIRCUIT TO POWER
- G532449t15 : CHECK THE SENSOR A RESISTANCE EMPTY
- G532449t16 : CHECK THE SENSOR A RESISTANCE FULL
- G532449t17 : CHECK THE SENSOR B RESISTANCE EMPTY
- G532449t18 : CHECK THE SENSOR B RESISTANCE FULL
- G532449t6 : CHECK THE SIGNAL CIRCUIT BETWEEN THE REM AND LEVEL SENSOR A FOR HIGH RESISTANCE
- G532449t9 : CHECK THE SIGNAL CIRCUIT BETWEEN THE REM AND LEVEL SENSOR B FOR HIGH RESISTANCE
- G532449t12 : CHECK THE SIGNAL RETURN CIRCUIT BETWEEN THE REM AND LEVEL SENSORS FOR HIGH RESISTANCE
- PINPOINT TEST G532449p5 : ECM TO REM DRIVE CIRCUIT (V6 AND V8 VEHICLES WITHOUT SUPERCHARGER)
- PINPOINT TEST G532449p7 : ECM TO FPDM MONITOR AND CONTROL CIRCUITS (V8 VEHICLES WITH SUPERCHARGER)
- G532449t21 : CHECK THE ECM TO FPDM MONITOR CIRCUIT FOR SHORT CIRCUIT TO GROUND
- G532449t28 : CHECK THE ECM TO FPDM MONITOR CIRCUIT FOR SHORT CIRCUIT TO POWER
- G532449t30 : CHECK THE ECM TO FPDM CONTROL CIRCUIT FOR SHORT CIRCUIT TO GROUND
- G532449t31 : CHECK THE ECM TO FPDM CONTROL CIRCUIT FOR SHORT CIRCUIT TO POWER
- G532449t32 : CHECK THE ECM TO FPDM MONITOR CIRCUIT FOR HIGH RESISTANCE
- G532449t33 : CHECK THE ECM TO FPDM CONTROL CIRCUIT FOR HIGH RESISTANCE
- PINPOINT TEST G532449p6 : FUEL PUMP POWER AND GROUND CIRCUITS (V6 AND V8 VEHICLES WITHOUT SUPERCHARGER)
- G532449t26 : CHECK THE REM TO FUEL PUMP NEGATIVE CIRCUIT FOR SHORT CIRCUIT TO GROUND
- G532449t27 : CHECK THE REM TO FUEL PUMP NEGATIVE CIRCUIT FOR SHORT CIRCUIT TO POWER
- G532449t39 : CHECK THE REM TO FUEL PUMP POSITIVE CIRCUIT FOR SHORT CIRCUIT TO GROUND
- G532449t40 : CHECK THE REM TO FUEL PUMP POSITIVE CIRCUIT FOR SHORT CIRCUIT TO POWER
- G532449t25 : CHECK THE REM TO FUEL PUMP NEGATIVE CIRCUIT FOR HIGH RESISTANCE
- G532449t29 : CHECK THE REM TO FUEL PUMP POSITIVE CIRCUIT FOR HIGH RESISTANCE
- PINPOINT TEST G532449p4 : FUEL PUMP POWER AND GROUND CIRCUITS (V8 VEHICLES WITH SUPERCHARGER)
- G532449t20 : CHECK THE FPDM TO FUEL PUMP NEGATIVE CIRCUIT FOR SHORT CIRCUIT TO POWER
- G532449t34 : CHECK THE FPDM TO FUEL PUMP POSITIVE CIRCUIT FOR SHORT CIRCUIT TO GROUND
- G532449t35 : CHECK THE FPDM TO FUEL PUMP POSITIVE CIRCUIT FOR SHORT CIRCUIT TO POWER
- G532449t41 : CHECK THE FPDM TO FUEL PUMP NEGATIVE CIRCUIT FOR HIGH RESISTANCE
- G532449t42 : CHECK THE FPDM TO FUEL PUMP POSITIVE CIRCUIT FOR HIGH RESISTANCE
- PINPOINT TEST G532449p8 : CHECK THE FUEL SYSTEM PRESSURE
- PINPOINT TEST G532449p2 : CHECK THE FUEL LINES
- Fuel Tank and Lines - 3.0L/3.5L/4.2L, VIN Range: G00442->G45703
- Removal Installation
- Fuel Filter - 3.0L/3.5L/4.2L (19.25.02)
- Fuel Filter - 2.7L Diesel (19.25.02)
- Fuel Level Sender LH - 3.0L/3.5L/4.2L, VIN Range: G00442->G45703
- Fuel Level Sender LH - 3.0L/3.5L/4.2L, VIN Range: G45704->G99999
- Fuel Level Sender LH - 2.7L Diesel
- Fuel Level Sender RH - 3.0L/3.5L/4.2L, VIN Range: G00442->G45703
- Fuel Level Sender RH - 3.0L/3.5L/4.2L, VIN Range: G45704->G99999
- Fuel Level Sender RH - 2.7L Diesel
- Fuel Pump Module - 3.0L/3.5L/4.2L, VIN Range: G00442->G45703 (19.45.08)
- Fuel Pump Module - 3.0L/3.5L/4.2L, VIN Range: G45704->G99999 (19.45.08)
- Fuel Pump Module - 2.7L Diesel (19.45.08)
- Fuel Tank
- Fuel Tank Filler Pipe
- Fuel Transfer Pump - 3.0L/3.5L/4.2L, VIN Range: G00442->G45703
- Fuel Transfer Unit - 2.7L Diesel
- Inertia Fuel Shutoff (IFS) Switch
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.