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Home >> Land Rover >> 2019 >> Range Rover Sport Supercharged Dynamic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 57 (Electronic Engine Controls - INGENIUM I6 3.0L Petrol -- Range Rover Sport/L494) >> Electronic Engine Controls - INGENIUM I6 3.0L Petrol (G2299964) >> Diagnosis And Testing >> Electronic Engine Controls - INGENIUM I6 3.0L Petrol (G2768861) >> Symptom Chart

Symptom Chart

WARNING: This page is about a different variant/trim than selected.
Symptom Possible Causes Action
The engine does not crank
  • Battery/charging system fault
  • Engine management system fault
  • Transmission system fault
  • Transmission control switch not set to Park or Neutral
  • Telematics control module (TCU) fault (where fitted)/Controller Area Network (CAN) fault
  • Smart key not present/recognized
  • Starter relay fault
  • Starter motor ground circuit open circuit, high resistance
  • Starter motor solenoid circuit short circuit to ground, open circuit, high resistance
  • Starter motor circuit short circuit to ground, open circuit, high resistance
  • Engine seized
  • Refer to the relevant article of the repair information and check the battery and charging system. Rectify as necessary
  • Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTC  s and refer to the relevant DTC  index
  • Using the Jaguar Land Rover approved diagnostic equipment, check the transmission control module for related DTC  s and refer to the relevant DTC  index
  • Set the transmission control switch to Park or Neutral and retest
  • When a start request is made, the telematics control module (where fitted) must transmit a secure ID message to the powertrain control module over the CAN  bus to authorise cranking. Check the telematics control module for related DTC  s and refer to the relevant DTC  index. Check the CAN  circuit between the telematics control module and the powertrain control module and repair the wiring harness as necessary
  • Check that the smart key is present and recognized
  • Check the operation of the starter relay. Rectify as necessary
  • Refer to the appropriate system wiring diagrams and check the starter motor ground circuit for open circuit, high resistance. Repair the wiring harness as necessary
  • Refer to the appropriate system wiring diagrams and check the starter motor solenoid circuit for short circuit to ground, open circuit, high resistance. Repair the wiring harness or install a new starter motor solenoid as necessary
  • Refer to the appropriate system wiring diagrams and check the starter motor power circuit for short circuit to ground, open circuit, high resistance. Repair the wiring harness or install a new starter motor as necessary
  • Check that the engine turns freely
Engine cranks but does not start
  • Positive crankcase ventilation system blocked/leaking
  • Ignition system fault
  • Fuel system fault
  • Engine management system fault
  • Check the integrity of the positive crankcase ventilation system. Rectify as necessary
  • Refer to the relevant article of the repair information and check the ignition system. Rectify as necessary
  • Refer to the relevant article of the repair information and check the fuel system. Rectify as necessary
  • Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTC  s and refer to the relevant DTC  index
Engine cranks and fires but will not start
  • Positive crankcase ventilation system blocked/leaking
  • Ignition system fault
  • Fuel system fault
  • Engine management system fault
  • Check the integrity of the positive crankcase ventilation system. Rectify as necessary
  • Refer to the relevant article of the repair information and check the ignition system. Rectify as necessary
  • Refer to the relevant article of the repair information and check the fuel system. Rectify as necessary
  • Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTC  s and refer to the relevant DTC  index
Engine difficult to start (cold engine)
  • Battery/charging system fault
  • Engine management system fault
  • Fuel system fault
  • Evaporative emissions system fault
  • Refer to the relevant article of the repair information and check the battery and charging system. Rectify as necessary
  • Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTC  s and refer to the relevant DTC  index
  • Refer to the relevant article of the repair information and check the fuel system. Rectify as necessary
  • Refer to the relevant article of the repair information and check the evaporative emissions system. Rectify as necessary
Engine difficult to start (warm/hot engine)
  • Fuel injector leaking
  • Engine management system fault
  • Evaporative emissions system fault
  • Fuel system fault
  • Ignition system fault
  • Check the fuel injectors for leaks. Rectify as necessary
  • Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTC  s and refer to the relevant DTC  index
  • Refer to the relevant article of the repair information and check the evaporative emissions system. Rectify as necessary
  • Refer to the relevant article of the repair information and check the fuel system. Rectify as necessary
  • Refer to the relevant article of the repair information and check the ignition system. Rectify as necessary
Engine difficult to start after hot soak (vehicle standing, engine off, after engine has reached operating temperature)
  • Fuel injector leaking
  • Engine management system fault
  • Evaporative emissions system fault
  • Fuel system fault
  • Ignition system fault
  • Check the fuel injectors for leaks. Rectify as necessary
  • Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTC  s and refer to the relevant DTC  index
  • Refer to the relevant article of the repair information and check the evaporative emissions system. Rectify as necessary
  • Refer to the relevant article of the repair information and check the fuel system. Rectify as necessary
  • Refer to the relevant article of the repair information and check the ignition system. Rectify as necessary
Engine cranks too slowly
  • Battery/charging system fault
  • Starter motor ground circuit open circuit, high resistance
  • Starter motor power circuit open circuit, high resistance
  • Starter motor internal failure
  • Engine oil grade incorrect
  • Refer to the relevant article of the repair information and check the battery and charging system. Rectify as necessary
  • Refer to the appropriate system wiring diagrams and check the starter motor ground circuit for open circuit, high resistance. Repair the wiring harness as necessary
  • Refer to the appropriate system wiring diagrams and check the starter motor power circuit for open circuit, high resistance. Repair the wiring harness as necessary
  • Check the operation of the starter motor. Rectify as necessary
  • Check the engine oil grade. Rectify as necessary
Engine cranks too fast
  • Timing chain failure
  • Engine cylinder compressions too low
  • Check the integrity of the timing chains. Rectify as necessary
  • Refer to the relevant article of the repair information and test the engine cylinder compressions. Rectify as necessary
Engine stalls soon after start
  • Positive crankcase ventilation system blocked/leaking
  • Engine management system fault
  • Ignition system fault
  • Intake air system restricted
  • Air filter element restricted/blocked
  • Intake pipe disconnected/damaged after the air cleaner
  • Fuel system fault
  • Check the integrity of the positive crankcase ventilation system. Rectify as necessary
  • Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTC  s and refer to the relevant DTC  index
  • Refer to the relevant article of the repair information and check the ignition system. Rectify as necessary
  • Check the intake air system for restrictions. Rectify as necessary
  • Install a new air filter element as necessary
  • Check the intake system for correct installation and damage. Rectify as necessary
  • Refer to the relevant article of the repair information and check the fuel system. Rectify as necessary
Engine stalls on overrun
  • Engine management system fault
  • Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTC  s and refer to the relevant DTC  index
Engine stalls at steady speed
  • Engine management system fault
  • Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTC  s and refer to the relevant DTC  index
Engine stalls with speed control enabled
  • Engine management system fault
  • Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTC  s and refer to the relevant DTC  index
Engine stalls when maneuvering
  • Engine management system fault
  • Excessive additional engine loads (power steering, air conditioning, etc)
  • Transmission system fault
  • Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTC  s and refer to the relevant DTC  index
  • Check for excessive loads being placed on the engine by the power steering, air conditioning, etc
  • Using the Jaguar Land Rover approved diagnostic equipment, check the transmission control module for related DTC  s and refer to the relevant DTC  index
Engine hesitates/poor acceleration
  • Fuel system fault
  • Fuel injector leaking
  • Intake pipe disconnected/damaged after the air cleaner
  • Engine management system fault
  • Accelerator pedal movement restricted (carpet, mats, etc)
  • Transmission system fault
  • Refer to the relevant article of the repair information and check the fuel system. Rectify as necessary
  • Check the fuel injectors for leaks. Rectify as necessary
  • Check the intake system for correct installation and damage. Rectify as necessary
  • Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTC  s and refer to the relevant DTC  index
  • Check that the accelerator pedal is free from restriction. Rectify as necessary
  • Using the Jaguar Land Rover approved diagnostic equipment, check the transmission control module for related DTC  s and refer to the relevant DTC  index
Engine backfires
  • Fuel system fault
  • Intake pipe disconnected/damaged after the air cleaner
  • Engine management system fault
  • Ignition system fault
  • Variable camshaft timing system stuck active
  • Refer to the relevant article of the repair information and check the fuel system. Rectify as necessary
  • Check the intake system for correct installation and damage. Rectify as necessary
  • Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTC  s and refer to the relevant DTC  index
  • Refer to the relevant article of the repair information and check the ignition system. Rectify as necessary
  • Check the operation of the variable camshaft timing system. Rectify as necessary
Engine surges
  • Fuel system fault
  • Engine management system fault
  • Ignition system fault
  • Refer to the relevant article of the repair information and check the fuel system. Rectify as necessary
  • Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTC  s and refer to the relevant DTC  index
  • Refer to the relevant article of the repair information and check the ignition system. Rectify as necessary
Engine detonates/knocks
  • Engine management system fault
  • Fuel system fault
  • Intake pipe disconnected/damaged after the air cleaner
  • Variable camshaft timing system stuck active
  • Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTC  s and refer to the relevant DTC  index
  • Refer to the relevant article of the repair information and check the fuel system. Rectify as necessary
  • Check the intake system for correct installation and damage. Rectify as necessary
  • Check the operation of the variable camshaft timing system. Rectify as necessary
No throttle response
  • Engine management system fault
  • Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTC  s and refer to the relevant DTC  index
Speed control inhibited/disabled
  • Engine management system fault
  • Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTC  s and refer to the relevant DTC  index
Throttle response poor
  • Engine management system fault
  • Positive crankcase ventilation system blocked/leaking
  • Transmission system fault
  • Dynamic stability control event
  • Intake pipe disconnected/damaged after the air cleaner
  • Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTC  s and refer to the relevant DTC  index
  • Check the integrity of the positive crankcase ventilation system. Rectify as necessary
  • Using the Jaguar Land Rover approved diagnostic equipment, check the transmission control module for related DTC  s and refer to the relevant DTC  index
  • No fault - Accelerator pedal response may be temporarily reduced or inhibited when the dynamic stability control is active
  • Check the intake system for correct installation and damage. Rectify as necessary
Malfunction indicator lamp illuminated or engine warning message displayed
  • Engine management system fault
  • Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTC  s and refer to the relevant DTC  index