Can I use water instead of DEF?
ADBLUE vs WATER, What Happens If You Use Tap Water Instead Of ADBLUE??
Distilled water
Water in Duramax DEF tank
I put windshield washer fluid in my def tank L5p
STOP BUYING BOX DEF !!! USE THIS METHOD
Experts Shares Diesel Exhaust Fluid Info Saving You Major Engine Repairs
I Tested the World’s CHEAPEST Liquid Fertilizer
CHEAPEST Fertilizer || Diesel Exhaust Fluid
WHAT Happens When You RUN OUT of DEF?? *Diesel Exhaust Fluid*
Diesel Exhasut Fluid at the Pump vs BlueDef Jugs | Chevy Silverado 2500 HD Duramax Custom
TotalEnergies - AdBlue® and SCR 3D video
Is DEF fluid made from urine?
What's DEF and Why Do You Need It?
Don't Buy AdBlue Until You've Watched This
How To Tell If DEF Is BAD!
How to get free DEF for you truck
Before And After Fertilize With Def Fluid
You Have Been Filling Your DEF Tank Wrong Since Day 1: How to Fill Diesel Exhaust Fluid Tank ⛽
Diesel Exhaust Fluid (DEF) - How it works.