Can you put AdBlue in the diesel tank?
No. AdBlue has its own separate filler and must never go in the fuel tank. If it has, don't start the engine — call for a drain.
In an emergency: don't start the engine and call 0800 170 0644. We drain the wrong fuel on-site, 24/7, 365 days a year.
Call 0800 170 0644 24/7, 365 days a year · across the UK