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Colorado | Contaminated/Dirty DEF is #1 reason for issues. Mst manufacturers have made it very difficult to accidentally fill with Diesel, but can still be done if you are determined to do so.
Make sure when you fill it that there is nothing around the filler that can fall in.
DEF Brand shouldnt matter much, I havent seen anything yet that makes me think 1 brand is better than another. | |
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DEF what brand?
