Symptom Chart
WARNING: This page is about a different car, the 2018 Land Rover Discovery Sport. However, it is still accessible from the selected car via links, so may be relevant.
| SYMPTOM | POSSIBLE CAUSES | ACTION |
|---|---|---|
| The engine does not crank | Battery/charging system fault Engine system fault Transmission fault Transmission control switch not set to Park or Neutral 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 section of the service 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 DTCs and refer to the relevant DTC index Using the Jaguar Land Rover approved diagnostic equipment, check the transmission control module for related DTCs and refer to the relevant DTC index Set the transmission control switch to Park or Neutral and retest 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 diagram and check the starter motor ground circuit for open circuit, high resistance. Repair the wiring harness as necessary Refer to the appropriate system wiring diagram and check the starter motor solenoid power 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 diagram 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 system fault |
Check the integrity of the positive crankcase ventilation system. Rectify as necessary Refer to the relevant section of the service information and check the ignition system. Rectify as necessary Refer to the relevant section of the service information and check the fuel system. Rectify as necessary Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTCs and refer to the relevant DTC index |
| Engine cranks and fires, but will not start | Evaporative emissions system fault Ignition system fault Fuel system fault Engine system fault |
Refer to the relevant section of the service information and check the evaporative emissions system. Rectify as necessary Refer to the relevant section of the service information and check the ignition system. Rectify as necessary Refer to the relevant section of the service information and check the fuel system. Rectify as necessary Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTCs and refer to the relevant DTC index |
| Engine difficult to start (cold engine) | Battery/charging system fault Engine system fault Fuel system fault Evaporative emissions system fault |
Refer to the relevant section of the service 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 DTCs and refer to the relevant DTC index Refer to the relevant section of the service information and check the fuel system. Rectify as necessary Refer to the relevant section of the service information and check the evaporative emissions system. Rectify as necessary |
| Engine difficult to start (warm/hot engine) | Injector(s) leaking Engine system fault Evaporative emissions system fault Fuel system fault Ignition system fault |
Check the injectors for leaks. Rectify as necessary Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTCs and refer to the relevant DTC index Refer to the relevant section of the service information and check the evaporative emissions system. Rectify as necessary Refer to the relevant section of the service information and check the fuel system. Rectify as necessary Refer to the relevant section of the service 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) | Injector(s) leaking Engine system fault Evaporative emissions system fault Fuel system fault Ignition system fault |
Check the injectors for leaks. Rectify as necessary Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTCs and refer to the relevant DTC index Refer to the relevant section of the service information and check the evaporative emissions system. Rectify as necessary Refer to the relevant section of the service information and check the fuel system. Rectify as necessary Refer to the relevant section of the service 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 section of the service information and check the battery and charging system. Rectify as necessary Refer to the appropriate system wiring diagram and check the starter motor ground circuit for open circuit, high resistance. Repair the wiring harness as necessary Refer to the appropriate system wiring diagram 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 Low engine compression |
Check the integrity of the timing chains. Rectify as necessary Refer to the relevant section of the service information and test the engine cylinder compressions. Rectify as necessary |
| Engine stalls soon after start | Positive crankcase ventilation system blocked/leaking Engine system fault Ignition system fault Intake pipe restricted/blocked 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 DTCs and refer to the relevant DTC index Refer to the relevant section of the service information and check the ignition system. Rectify as necessary Check the intake pipe for restrictions and blockages. 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 section of the service information and check the fuel system. Rectify as necessary |
| Engine stalls on overrun | Engine system fault | Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTCs and refer to the relevant DTC index |
| Engine stalls at steady speed | Engine system fault | Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTCs and refer to the relevant DTC index |
| Engine stalls with speed control enabled | Engine system fault | Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTCs and refer to the relevant DTC index |
| Engine stalls when maneuvering | Engine system fault Excessive additional engine loads (power steering, air conditioning, etc) Transmission fault |
Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTCs 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 DTCs and refer to the relevant DTC index |
| Engine hesitates/poor acceleration | Fuel system fault Injector(s) leaking Intake pipe disconnected/damaged after the air cleaner Engine system fault Accelerator pedal movement restricted (carpet, mats, etc) Ignition system fault Transmission fault |
Refer to the relevant section of the service information and check the fuel system. Rectify as necessary Check the 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 DTCs and refer to the relevant DTC index Check that the accelerator pedal is free from restriction. Rectify as necessary Refer to the relevant section of the service information and check the ignition system. Rectify as necessary Using the Jaguar Land Rover approved diagnostic equipment, check the transmission control module for related DTCs and refer to the relevant DTC index |
| Engine backfires | Fuel system fault Intake pipe disconnected/damaged after the air cleaner Engine system fault Ignition system fault Variable camshaft timing system stuck active |
Refer to the relevant section of the service 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 DTCs and refer to the relevant DTC index Refer to the relevant section of the service 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 system fault Ignition system fault |
Refer to the relevant section of the service information and check the fuel system. Rectify as necessary Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTCs and refer to the relevant DTC index Refer to the relevant section of the service information and check the ignition system. Rectify as necessary |
| Engine detonates/knocks | Engine 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 DTCs and refer to the relevant DTC index Refer to the relevant section of the service 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 system fault | Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTCs and refer to the relevant DTC index |
| Speed control inhibited/disabled | Engine system fault | Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTCs and refer to the relevant DTC index |
| Throttle response poor | Engine system fault Positive crankcase ventilation system blocked/leaking Transmission 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 DTCs 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 DTCs 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 system fault | Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTCs and refer to the relevant DTC index |