Tag: DEF fault

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Close-up of a blue AdBlue cap beside a black diesel cap on a silver van – header for AdBlue removal Stoke on Trent

What to Do If Your Car Won’t Start Due to AdBlue Issues

When the dash flashes a yellow DEF lamp and a countdown warning like No start 500 mi or “Service AdBlue” – even with a full tank – your van won't fire. It's a common fault on Euro‑6 models, but not all cases mean hardware needs replacing. This guide walks you through…