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Home >> Jaguar >> 2019 >> XF S >> Repair and Diagnosis >> External Pages >> Different car >> Section 285 (Glow Plug System - INGENIUM I4 2.0L Diesel -- XE/(760)) >> Glow Plug System - INGENIUM I4 2.0L Diesel (G1817200) >> Diagnosis And Testing >> Glow Plug System - INGENIUM I4 2.0L Diesel (G1851018) >> Symptom Chart

Symptom Chart

WARNING: This page is about a different car, the 2019 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM POSSIBLE CAUSES ACTION
Engine difficult to start (in extreme cold ambient temperature)
  • Engine system fault
  • Glow plugs circuit short circuit to ground, short circuit to power, open circuit, high resistance
  • Glow plugs inoperative/inefficient
  • Fuel temperature too low (causing waxing)
  • 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 appropriate service information and check the glow plugs circuit for short circuit to ground, short circuit to power, open circuit, high resistance
  • Check the operation of the glow plugs. GO to PINPOINT TEST A .
  • The fuel system recycles fuel until operating temperature is reached to reduce this possibility
High cold engine emissions
  • Engine system fault
  • Glow plug after-glow phase inoperative
NOTE: The glow plug after-glow phase is designed to function at engine temperatures below 50°C (122°F), and below 2500 rpm.
  • 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 operation of the glow plugs. GO to PINPOINT TEST A .
High cold-engine noise, vibration or harshness
  • Engine system fault
  • Glow plug after-glow phase inoperative
NOTE: The glow plug after-glow phase is designed to function at engine temperatures below 50°C (122°F), and below 2500 rpm.
  • 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 operation of the glow plugs. GO to PINPOINT TEST A .