Restore controlled airflow
We test EGR command, position, airflow and related components before recommending cleaning, repair or replacement.
Why it matters
EGR faults can cause poor response, smoke, uneven running and DPF problems. Similar symptoms can also come from sensors, boost leaks or intake contamination, so proper testing matters.
Find your vehicle in the tuning databaseHow the work flows
Exact procedures vary by vehicle, but evidence and verification remain at the centre of the job.
Confirm the fault and operating conditions
Test valve response and related airflow
Clean or repair the proven cause
Relearn, road-test and recheck live data
Particularly relevant for
Use and compliance: For road vehicles, we diagnose and restore the EGR system rather than bypassing manufacturer-fitted emissions equipment.
Discuss the vehicle
Tell us how the vehicle is used and what has already been tried. We will confirm the right assessment and next step.
Send vehicle details