Vehicle advice
Tuning, coding and diagnostic guides.
Practical information for drivers, van operators and the motor trade—written to help you understand warning messages, software options and the next sensible step.
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Answers to common vehicle questions.
Vehicle systems and compatibility vary. Send the registration and dashboard message for advice specific to your vehicle.
ADBLUE & diagnostics
NOx sensor failure: costs, delays and parts on back order
What causes a NOx sensor warning, why replacement costs vary and what can be checked while the correct part is unavailable.
Read article → RemappingCan engine and gearbox remaps improve fuel economy?
How ECU and TCU calibration can affect efficiency, drivability and real-world fuel use—and why results vary.
Read article → Vehicle codingCustom light coding on modern vehicles: what can be changed?
A guide to DRLs, welcome lights, coming-home functions and module coding on modern cars and vans.
Read article → Mobile diagnosticsHome fault-code diagnosis: what a mobile diagnostic visit can find
Why a full vehicle scan and live-data assessment is more useful than simply clearing a dashboard warning.
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