What’s wrong with my glow plugs? (an 8 post series)

Ceramic heating element brokenGlow plug with broken heating element

Cause:

  • Incorrect injection timing
  • incorrect injector spray pattern
  • Supply voltage too high (incorrect application)

Effect:

  • Ceramic heating element becomes too hot and breaks.

Corrective Action:

  • Check engine for oil consumption
  • Check control unit function
  • Check/reset injection timing
  • Replace with Bosch quality glow plugs
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