Most diesel truck owners understand how to put diesel exhaust fluid (DEF) in their trucks. However, some make the mistake of getting DEF in their fuel tank instead of the dedicated DEF tank. As the ...

We all make mistakes, but rarely do they have the potential to cost us upwards of $15,000. That’s the kind of error one owner of a 2023 GMC Sierra 1500 with the 3.0 ...

DEF is a key component in lowering pollutants emitted from diesel engines, helping to reduce harmful emissions. Long-haul truckers and diesel engine enthusiasts had to rethink their entire operations ...

The quality of the DEF going into your vehicle is as important as the quality of the engine oils or fuels used in your vehicles. When diesel-powered trucks sit idle for extended periods, it’s easy to ...