Def fluid
Have a 2011 Duramax. Have had a sensor problem. Dealer says the def from Walmart is giving some problems. Any thoughts.
Forum Discussion
A product labeled DEF must meet the standards set by law. All brands are the same, buy by price and age of product.
Amazon really doesn’t have free shipping, the price of heavier products is higher to pay that shipping.
Amazon really doesn’t have free shipping, the price of heavier products is higher to pay that shipping.
