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Re: 2020 Silverado DEF in diesel tank follow up
Posted to Technical Discussion Forum on 4/18/2021 3 Replies

Hi Samuel,

Glad to hear all is well. I do recommend that a fuel additive be used in this, if the owner is not already doing so. DEF can be quite corrosive even in trace amounts. Hopefully the system continues to operate properly. Login to read more.

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