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Our Chevrolet Silverado 1500 ZR2 Duramax Uses a Lot of Diesel Exhaust Fluid. Is This Normal?
GM’s Duramax-powered Chevrolet Silverado and GMC Sierra 2500HD and ... On long highway slogs with a trailer, we found the DEF tank ran dry in as few as 750 miles. Depending on terrain, speed ...
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2011 Chevy Silverado Heavy Duty Gets More Powerful and Efficient Duramax 6.6 and Allison Tranny
The Diesel Exhaust Fluid (DEF) used in the ... on the new 36 gallon tank. In addition to the fuel economy improvements, Chevy claims improved acceleration with Duramax/Allison combo, resulting ...
The Drive3y
2021 Chevy Tahoe Duramax Diesel Review: The Perfect Engine for GM’s Full-Size SUVs
By now, GM knows better than to modify the extremely profitable recipe of its big, body-on-frame SUVs like the 2021 Chevy Tahoe ... and the need to refill the DEF tank from time to time.