DEF fluid
Is all DEF fluid the same? I usually buy the Blue DEF but it's now about $20. Our local hardware store has the Blue DEF and another one that is $12.99. I did buy the Blue DEF but just wondered if the ...
Forum Discussion
Bionic Man wrote:
From what I have read, expired DEF won't hurt your engine.
It's impossible for DEF to hurt an engine, because it is injected downstream of the engine, hence the reason it's called "Exhaust" fluid.
