SDMExplorerMar 23, 2018Def fluidHave a 2011 Duramax. Have had a sensor problem. Dealer says the def from Walmart is giving some problems. Any thoughts.
JerryandSusieExplorerMar 23, 2018I asked my dealer about def and he said "buy it all walmart it'll be cheaper than buying it here"
About Technical IssuesHaving RV issues? Connect with others who have been in your shoes.24,199 PostsLatest Activity: Feb 17, 2025
