AdBlue & NOx Solutions

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AdBlue & NOx Solutions in Cambridgeshire

Modern SCR systems use AdBlue, NOx sensors, temperature sensors, pumps, heaters, injectors and control modules. A single warning can have several possible causes, so AGK checks the stored fault information and available live data before recommending a solution.

AdBlue countdown diagnosisWe investigate warnings that show a remaining mileage or start restriction.

NOx sensor assessmentUpstream and downstream sensor faults are checked in context.

SCR system checksPressure, dosing, temperature and efficiency-related faults can be assessed.

Software solutionsReliable software-based options can be discussed where appropriate.

Common SCR and AdBlue problems

Common symptoms include an AdBlue warning that remains after refilling, a mileage countdown, engine warning light, NOx sensor codes, SCR efficiency faults or a message stating that the engine will not restart. These faults should be assessed promptly before the countdown reaches zero.

How the service works

Read all related faultsThe ECU and relevant emissions modules are scanned.

Review the system dataAvailable NOx, pressure, dosing and temperature readings are considered.

Confirm the likely causeWe separate sensor, wiring, dosing and software-related issues.

Apply the agreed solutionThe selected repair support or software service is completed and checked.

Frequently asked questions

Why is the warning still on after adding AdBlue?

The system may have a stored fault, failed sensor, dosing problem or may require a successful self-test before the warning clears.

Can the car stop starting?

Some vehicles display a countdown and can prevent restart once it reaches zero. Do not ignore the warning.

Are NOx sensors the only cause?

No. Wiring, SCR efficiency, dosing, exhaust leaks and other system faults can produce related codes.

Do you cover Peugeot, Citroën and Vauxhall?

Yes, along with many other manufacturers, subject to the ECU and system fitted.