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Home >> Land Rover >> 2021 >> Range Rover Velar R-Dynamic HSE >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Fuel Charging And Controls - V8 S/C 5.0L Petrol -- Range Rover Velar/L560) >> Fuel Charging And Controls - V8 S/C 5.0L Petrol >> Diagnosis And Testing >> Fuel Charging And Controls - V8 S/C 5.0L Petrol (G1222436) >> Symptom Chart

Symptom Chart

WARNING: This page is about a different car, the 2020 Land Rover Range Rover Velar. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM POSSIBLE CAUSES ACTION
Engine cranks, but does not fire
  • Engine system fault
  • Air intake system restricted
  • Ignition system
  • Fuel system
  • Electronic engine control
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for related DTC  s and refer to the relevant DTC  index
  • Inspect the air intake system for blockages, deterioration or damage. Rectify as necessary. For further air intake diagnostics, REFER to: INTAKE AIR DISTRIBUTION AND FILTERING - V8 S/C 5.0L PETROL (G1222452) .
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for ignition system related DTC  s and refer to the relevant DTC  index. For further ignition system diagnostics, REFER to: ENGINE IGNITION .
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for fuel system related DTC  s and refer to the relevant DTC  index
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for electronic engine control component related DTC  s and refer to the relevant DTC  index. For further electronic engine control system diagnostics, REFER to: ELECTRONIC ENGINE CONTROLS .
Engine cranks and fires, but will not start
  • Evaporative emissions purge valve
  • High pressure fuel pump(s)
  • Ignition system
  • Spark plug(s)
  • Ignition Coil(s) short to ground
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for evaporative emissions related DTC  s and refer to the relevant DTC  index. For further evaporative emission control system diagnostics, Refer to: EVAPORATIVE EMISSIONS - V8 N/A 5.0L PETROL/V8 S/C 5.0L PETROL .
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for fuel system related DTC  s and refer to the relevant DTC  index
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for ignition system related DTC  s and refer to the relevant DTC  index. For further ignition system diagnostics, REFER to: ENGINE IGNITION .
Difficult cold start
  • Engine coolant level/anti-freeze content
  • Battery
  • Electronic engine controls
  • High pressure fuel pump(s)
  • Evaporative emissions purge valve
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for engine cooling system related DTC  s and refer to the relevant DTC  index. For further cooling system diagnostics, REFER to: ENGINE COOLING .
  • Refer to the relevant service information and check the battery and charging system. Rectify as necessary
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for electronic engine control component related DTC  s and refer to the relevant DTC  index. For further electronic engine control system diagnostics, REFER to: ELECTRONIC ENGINE CONTROLS .
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for fuel system related DTC  s and refer to the relevant DTC  index
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for evaporative emissions related DTC  s and refer to the relevant DTC  index. For further evaporative emission control system diagnostics, Refer to: EVAPORATIVE EMISSIONS - V8 N/A 5.0L PETROL/V8 S/C 5.0L PETROL .
Difficult hot start
  • Injector leak
  • Electronic engine control
  • Evaporative emissions purge valve
  • High pressure fuel pump(s)
  • Ignition system
  • Check the fuel injectors for leakages. Repair as necessary. Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for fuel injector related DTC  s and refer to the relevant DTC  index
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for electronic engine control component related DTC  s and refer to the relevant DTC  index. For further electronic engine control system diagnostics, REFER to: ELECTRONIC ENGINE CONTROLS .
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for evaporative emissions related DTC  s and refer to the relevant DTC  index. For further evaporative emission control system diagnostics, Refer to: EVAPORATIVE EMISSIONS - V8 N/A 5.0L PETROL/V8 S/C 5.0L PETROL .
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for fuel system related DTC  s and refer to the relevant DTC  index
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for ignition system related DTC  s and refer to the relevant DTC  index. For further ignition system diagnostics, REFER to: ENGINE IGNITION .
Difficult to start after hot soak (vehicle standing, engine off, after engine has reached operating temperature)
  • Injector leak
  • Electronic engine control
  • Evaporative emission purge valve
  • High pressure fuel pump(s)
  • Ignition system
  • Check the fuel injectors for leakages. Repair as necessary. Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for fuel injector related DTC  s and refer to the relevant DTC  index
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for electronic engine control component related DTC  s and refer to the relevant DTC  index. For further electronic engine control system diagnostics, REFER to: ELECTRONIC ENGINE CONTROLS .
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for evaporative emissions related DTC  s and refer to the relevant DTC  index. For further evaporative emission control system diagnostics, Refer to: EVAPORATIVE EMISSIONS - V8 N/A 5.0L PETROL/V8 S/C 5.0L PETROL .
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for fuel system related DTC  s and refer to the relevant DTC  index
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for ignition system related DTC  s and refer to the relevant DTC  index. For further ignition system diagnostics, REFER to: ENGINE IGNITION .
Engine stalls soon after start
  • Positive crankcase ventilation system blocked/leaking
  • Powertrain control module power supply relay fault
  • Electronic engine control
  • Ignition system
  • Air intake system restricted
  • Air leakage
  • Fuel lines or fuel filter blockage
  • Check the integrity of the positive crankcase ventilation system. Rectify as necessary. For further positive crankcase ventilation system diagnostics, REFER to: ENGINE EMISSION CONTROL .
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for power supply relay related DTC  s and refer to the relevant DTC  index.
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for electronic engine control component related DTC  s and refer to the relevant DTC  index. For further electronic engine control system diagnostics, REFER to: ELECTRONIC ENGINE CONTROLS .
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for ignition system related DTC  s and refer to the relevant DTC  index. For further ignition system diagnostics, REFER to: ENGINE IGNITION .
  • Inspect the air intake system for blockages, deterioration or damage. Rectify as necessary. For further air intake diagnostics, REFER to: INTAKE AIR DISTRIBUTION AND FILTERING - V8 S/C 5.0L PETROL (G1222452) .
  • Inspect the fuel lines and fuel filter for blockages, deterioration or damage. Rectify as necessary. For further fuel line and filter diagnostics, REFER to: FUEL TANK AND LINES - V8 S/C 5.0L PETROL (G1551223) .
Engine hesitates/poor acceleration
  • Fuel pressure, fuel lines, fuel filter
  • Injector leak
  • High pressure fuel pump(s)
  • Air leakage
  • Electronic engine control
  • Throttle motor
  • Restricted accelerator pedal travel (carpet, etc)
  • Ignition system
  • Transmission malfunction
  • Inspect the fuel lines and fuel filter for blockages, deterioration or damage. Rectify as necessary. For further fuel line and filter diagnostics, REFER to: FUEL TANK AND LINES - V8 S/C 5.0L PETROL (G1551223) .
  • Check the fuel injectors for leakages. Repair as necessary. Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for fuel injector related DTC  s and refer to the relevant DTC  index.
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for other fuel system related DTC  s and refer to the relevant DTC  index
  • Inspect the air intake system for blockages, deterioration or damage. Rectify as necessary. For further air intake diagnostics, REFER to: INTAKE AIR DISTRIBUTION AND FILTERING - V8 S/C 5.0L PETROL (G1222452) .
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for electronic engine control component related DTC  s and refer to the relevant DTC  index. For further electronic engine control system diagnostics, REFER to: ELECTRONIC ENGINE CONTROLS .
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for throttle system related DTC  s and refer to the relevant DTC  index
  • Check the accelerator pedal for restricted movement, for example carpet or other objects, preventing full pedal travel. Rectify as necessary.
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for ignition system related DTC  s and refer to the relevant DTC  index. For further ignition system diagnostics, REFER to: ENGINE IGNITION .
  • Using the Jaguar Land Rover approved diagnostic system, check the Transmission control module for related DTC  s and refer to the relevant DTC  index
Engine backfires
  • Fuel pressure, fuel lines, fuel filter
  • Air leakage
  • Electronic engine controls
  • Ignition system
  • Sticking Variable Camshaft Timing (VCT) hub
  • Inspect the fuel lines and fuel filter for blockages, deterioration or damage. Rectify as necessary. For further fuel line and filter diagnostics, REFER to: FUEL TANK AND LINES - V8 S/C 5.0L PETROL (G1551223) .
  • Inspect the air intake system for blockages, deterioration or damage. Rectify as necessary. For further air intake diagnostics, REFER to: INTAKE AIR DISTRIBUTION AND FILTERING - V8 S/C 5.0L PETROL (G1222452) .
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for electronic engine control component related DTC  s and refer to the relevant DTC  index. For further electronic engine control system diagnostics, REFER to: ELECTRONIC ENGINE CONTROLS .
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for ignition system related DTC  s and refer to the relevant DTC  index. For further ignition system diagnostics, REFER to: ENGINE IGNITION .
  • Using the Jaguar Land Rover approved diagnostic system, check the Powertrain control module for variable camshaft timing related DTC  s and refer to the relevant DTC  index
Engine surges
  • Fuel pressure, fuel lines, fuel filter
  • Electronic engine controls
  • Throttle motor
  • Ignition system
  • Inspect the fuel lines and fuel filter for blockages, deterioration or damage. Rectify as necessary. For further fuel line and filter diagnostics, REFER to: FUEL TANK AND LINES - V8 S/C 5.0L PETROL (G1551223) .
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for electronic engine control component related DTC  s and refer to the relevant DTC  index. For further electronic engine control system diagnostics, REFER to: ELECTRONIC ENGINE CONTROLS .
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for throttle system related DTC  s and refer to the relevant DTC  index
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for ignition system related DTC  s and refer to the relevant DTC  index. For further ignition system diagnostics, REFER to: ENGINE IGNITION .
Engine detonates/knocks
  • Fuel pressure, fuel lines, fuel filter
  • Air leakage
  • Electronic engine controls
  • Sticking VCT  hub
  • Inspect the fuel lines and fuel filter for blockages, deterioration or damage. Rectify as necessary. For further fuel line and filter diagnostics, REFER to: FUEL TANK AND LINES - V8 S/C 5.0L PETROL (G1551223) .
  • Inspect the air intake system for blockages, deterioration or damage. Rectify as necessary. For further air intake diagnostics, REFER to: INTAKE AIR DISTRIBUTION AND FILTERING - V8 S/C 5.0L PETROL (G1222452) .
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for electronic engine control component related DTC  s and refer to the relevant DTC  index. For further electronic engine control system diagnostics, REFER to: ELECTRONIC ENGINE CONTROLS .
  • Using the Jaguar Land Rover approved diagnostic system, check the Powertrain control module for variable camshaft timing related DTC  s and refer to the relevant DTC  index
No throttle response
  • Electronic engine controls
  • Throttle motor
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for electronic engine control component related DTC  s and refer to the relevant DTC  index. For further electronic engine control system diagnostics, REFER to: ELECTRONIC ENGINE CONTROLS .
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for throttle system related DTC  s and refer to the relevant DTC  index
Poor throttle response
  • Positive crankcase ventilation system blocked/leaking
  • Electronic engine control
  • Transmission malfunction
  • Traction control event
  • Air leakage
  • Check the integrity of the positive crankcase ventilation system. Rectify as necessary. For further positive crankcase ventilation system diagnostics, REFER to: ENGINE EMISSION CONTROL .
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for electronic engine control component related DTC  s and refer to the relevant DTC  index. For further electronic engine control system diagnostics, REFER to: ELECTRONIC ENGINE CONTROLS .
  • Using the Jaguar Land Rover approved diagnostic system, check the Transmission control module for related DTC  s and refer to the relevant DTC  index
  • Using the Jaguar Land Rover approved diagnostic system, check the ABS control module for traction control related DTC  s and refer to the relevant DTC  index
  • Inspect the air intake system for blockages, deterioration or damage. Rectify as necessary. For further air intake diagnostics, REFER to: INTAKE AIR DISTRIBUTION AND FILTERING - V8 S/C 5.0L PETROL (G1222452) .
Engine misfires
  • Ignition system fault
  • Fuel system fault
  • Engine sensor faults
  • Air intake system, blockages, deterioration and damage
  • Catalyst/exhaust system blockage
  • Variable camshaft timing system stuck active
  • Low cylinder compressions
NOTE: The misfire detection monitor runs continuously and is designed to detect levels of misfire that can cause thermal damage to the catalyst or result in excessive tailpipe emissions. A full description of misfire monitoring can be found in the service information .
  • Using the Jaguar Land Rover approved diagnostic equipment check the powertrain control module for the following DTC  s and complete the corrective actions:
    • P0300 - Random Misfire Detected
    • P0301 - Cylinder 1 Misfire Detected
    • P0302 - Cylinder 2 Misfire Detected
    • P0303 - Cylinder 3 Misfire Detected
    • P0304 - Cylinder 4 Misfire Detected
    • P0305 - Cylinder 5 Misfire Detected
    • P0306 - Cylinder 6 Misfire Detected
    • P0307 - Cylinder 7 Misfire Detected
    • P0308 - Cylinder 8 Misfire Detected
    • P1315 - Misfire with the potential for Catalyst Damage
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for ignition system related DTC  s and refer to the relevant DTC  index. For further ignition system diagnostics, REFER to: ENGINE IGNITION .
  • Using the Jaguar Land Rover approved diagnostic system, check the powertrain control module for fuel system related DTC  s and refer to the relevant DTC  index.
  • Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for sensor related DTC  s and refer to the relevant DTC  index
  • Inspect the air intake system for blockages, deterioration or damage. Rectify as necessary. For further air intake diagnostics, REFER to: INTAKE AIR DISTRIBUTION AND FILTERING - V8 S/C 5.0L PETROL (G1222452) .
  • Inspect the Catalyst/exhaust system for blockages, deterioration or damage. Rectify as necessary
  • Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for variable camshaft actuator related DTC  s and refer to the relevant DTC  index
  • For further misfire diagnostic checks REFER to: ELECTRONIC ENGINE CONTROLS . And complete pinpoint test A
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