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

Hi Samuel,

I am pretty sure you are a member over on diag. Go check out 2017 nissan Titan. Someone had mistakenly put DEF fluid into the fuel system on that vehicle as well. The guy fixing it tried doing a minimum type job and it kept returning with more iss... Login to read more.