What happens if DEF fluid is put in diesel tank?
What happens if DEF fluid is put in diesel tank? Although safeguards have been designed to keep the diesel fuel separate from the DEF, it still happens: DEF is accidently put into the diesel tank or diesel into the DEF tank. When it does, it's more than just a little problem: It can lead to significant damage and costly repairs. Is it bad to run a diesel truck without DEF? If you ignore the DEF warning the truck will cease to work. Some diesel engine manufacturers allow the engine to go into reduced power mode so the truck can “limp...