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Showing results for tags 'def fluid'.
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Hello. I bought a 2018 Chevy Silverado Duramax 2500HD High Country. We recently took it on a long trip with the travel trailer, and since I had never owned a diesel before, I had no idea what DEF was. We were on the freeway, about a 100 miles from a gas station. I checked my gauge in the truck and the DEF fluid was "ok" and then 30 miles down the road it was not ok. I was wondering if there was a way to check the fluid, either by the computer in the truck or is there a dip stick that I can purchase after market? Thanks for the help. Sue
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- 2018 silverado
- duramax
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