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Glow Plug: Inspection

WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.
  1. The on/off operation of the glow plugs is controlled by the glow control unit.
  2. A symptom of a malfunctioning glow plug or glow control unit is a hard start in cold ambient temperatures and/or white smoke on engine startup.
  3. Use the following procedures for verifying the glow plug function. Refer to Removal and Installation .