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GM Duramax diesel DEF tank failures, limp mode and long repair delays – owners’ share concerns

GM Duramax diesel DEF tank failures are increasingly popping up in social media and owners are furious about the problems around the issues with the trucks. These complaints keep popping up on various ...
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I Accidentally Put DEF in My Diesel Tank, Says GM Owner Who Faced A $15K Disaster

A GMC Sierra owner accidentally filled his diesel tank with diesel exhaust fluid (DEF). DEF in a diesel tank can damage the fuel system, leading to hugely expensive repairs. An independent shop saved ...
GM Authority

EPA Tells Diesel Engine Manufacturers To Stop Forcing Power Loss When DEF Runs Out

The Environmental Protection Agency (EPA) has issued new guidance regarding diesel exhaust fluid (DEF) systems in diesel engines that cause trucks and tractors to enter “limp mode” when DEF levels are ...