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International Automotive Technicians Network
Re: 2020 Silverado DEF in diesel tank
Posted to Technical Discussion Forum on 1/19/2021

My thoughts are get insurance involved if you can. If you've tried to start it with DEF I believe that your whole fuel system is compromised. You could try direct messaging Mr. Avery, but other than towing it to a GM garage I wouldn't do too much more. Login to read more.