AdBlue error and power reduction: causes and solutions

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An AdBlue error on Euro 6 diesels with an SCR system often leads to reduced power and a countdown of remaining engine starts. Ignoring it can leave the vehicle unable to start.

Symptoms

  • “AdBlue error” message
  • Countdown of remaining starts
  • Reduced power
  • Engine warning light on

Common causes

  • Faulty AdBlue sensor or pump
  • Clogged SCR injector
  • Poor-quality AdBlue
  • SCR control unit software errors

How MasterTuning fixes it

We diagnose the SCR system, identify the faulty component and restore full efficiency. Contact us: installers throughout Italy.

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