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What to Do If Your Car Won’t Start Due to AdBlue Issues
Dash shows a yellow AdBlue lamp and a countdown like “No start in 500 miles” or “Service AdBlue”? Even with a full tank, some vans refuse to fire once the lock is active. The good news: **not every case needs parts**. This guide explains why it happens, what you can…
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SPN 4354 Explained — DEF Line Heater 1 for Van Workshops
SPN 4354 Explained: DEF Line Heater 1 for Van Workshops If you’ve scanned a van showing SPN 4354 FMI 5, 6, or 18, it means the system can’t heat AdBlue fast enough. Known as “DEF Line Heater 1 Fault,” this issue often causes cold-start dosing errors and countdown warnings. Here’s…