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AdBlue System Fault Solutions for Trucks & Heavy Equipment

AdBlue system faults are a common cause of engine derate conditions, reduced power, and unexpected downtime in modern diesel engines. ​

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We provide proven solutions for AdBlue, DPF and SCR-related issues affecting trucks and heavy equipment across Australia and New Zealand, helping operators restore performance, reduce downtime, and eliminate ongoing fault codes.

Common AdBlue system problems include:

  • NOx sensor failures  

  • SCR system faults  

  • DPF blockage and regeneration issues  

  • AdBlue quality and level sensor errors  

  • Engine derate and limp mode activation  


These issues can lead to reduced power, increased operating costs, and machines being taken out of service.

Our solutions are designed to address the root cause of AdBlue, DPF and SCR system faults by stabilising engine management signals and preventing repeated fault conditions. These solutions are commonly used in applications requiring AdBlue system bypass or delete functionality where permitted.

This allows operators to:

  • Restore full engine performance  

  • Prevent derate conditions  

  • Reduce downtime and maintenance costs  

  • Maintain reliable operation in demanding environments  

Our solutions are used across a wide range of equipment, including:

  • On-highway trucks (Volvo, DAF, Scania, Kenworth, Freightliner)  

  • Earthmoving and construction equipment (Caterpillar, Hitachi, Komatsu, Volvo CE)  

  • Agricultural machinery  

  • Industrial and stationary engines  

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