Tech Tip: How to Make Sense of NOx Sensor FailuresA small device can cause big headaches for diesel owners, but there’s a quick and effective fix
Catalytic Converter 101: Keep Your Car’s CAT PurringFive FAQs about this critical exhaust component, turning off check engine lights and passing emissions tests
Top 3 Reasons Your Check Engine Light Is on and How to Fix ItIgnore that light and risk higher emissions, lower mpg, reduced power, and severe engine damage
5 Easy Maintenance Tips for Diesel TrucksIt takes more than an oil change to keep a diesel truck in peak condition
6 Signs Your Diesel Vehicle’s DPF Needs CleaningHow to know when to clean your car, truck or SUV diesel particulate filter
Common Diesel DEF Problems and How to Solve Them4 tips to maximize diesel vehicle power and performance
