If Diesel Exhaust Fluid Was Added To The Fuel System

In addition to accidentally refilling the fuel tank with gasoline instead of diesel, some motorists may mistakenly put the Diesel Exhaust Fluid (DEF) into the fuel tank, which can affect the performance of the fuel pump module, or lead to more serious problems.

On its Techlink service site, GM has outlined steps to follow for diesel car or truck drivers that mistakenly add DEF into their vehicle’s fuel tank. The first thing to know is that if diesel fuel is mixed with DEF, or if DEF or gasoline is added to the fuel tank, it may lead to repairs that will not be covered by GM’s factory New Vehicle Limited Warranty.

Read more: https://gmauthority.com/blog/2022/08/heres-what-gm-recommends-if-diesel-exhaust-fluid-was-added-to-the-fuel-system/