NOx sensors fail more often than glow-plugs on modern diesels. Dealers quote £350–£480 per sensor and vans have two. Online sellers push £40 “emulators” that spoof the reading and clear the dash light in seconds. Tempting—but is a NOx sensor bypass legal on UK roads? Short answer: no. Long answer:…
Euro 7 lands July 2025 and drags the legal NOx ceiling for diesels down to 60 mg/km—half the Euro 6 limit. Any van first registered before 2020 will struggle to meet that bar unless its SCR system works perfectly. Parts suppliers now push retrofit SCR kits that promise “Euro 7…