"It's usually a good idea when changing out your DPF and/or DOC to swap out your NOx sensors as well, which can add significant cost, but will ensure smooth operation of an already complex system. This can be a bitter pill when you’re putting down several thousand for a new DPF or DOC, which begs the question, why are they so darned expensive?"Read more
"While the EGR Cooler is generally more reliable than its EGR Valve cousin, when it goes bad it’s best to address the issue as quickly as possible to avoid further trouble."Read more
