You have a diesel exhaust fluid (DEF) warning light, a scan tool in hand and absolutely no idea what any of the readings mean. Learn the common DEF fault codes and how you can address each one. The Sensors and Components Behind Every DEF Fault Code From the NOx sensors to the injector, the codes …
If you drive a 6.7L Power Stroke®, DEF quality isn’t just an emissions checkbox — it’s the difference between your truck running smoothly and one that throws codes, forces a derate and leaves you stranded. Crystallized DEF and contaminated fluid cost Power Stroke owners more in injector replacements and diagnostics than almost any other issue. …
For Duramax owners, understanding the complexities of your Diesel Exhaust Fluid (DEF) system is the first step toward safeguarding it. A little knowledge can help to reduce cryptic fault codes that can trigger derate countdowns and expensive dealer quotes. It’s within these nuances that you’ll find the best DEF fluid for your Duramax engine. Which …
Maintaining peak engine performance across modern diesel rigs starts with keeping your aftertreatment system clean. Distinguishing an electrical sensor glitch from compromised fluid lets you make accurate maintenance decisions early on. Finding the best diesel exhaust fluid (DEF) for Cummins engines requires understanding how your selective catalytic reduction (SCR) system operates and how the right …
One minute, your truck is pulling like normal. Then, a warning light pops up, and the dashboard starts counting down miles. Ignore it long enough, and your truck’s computer takes matters into its own hands — restricting how your vehicle performs, if you can keep driving at all. That’s typically what happens when diesel …
If you drive a diesel truck, tractor or piece of heavy equipment built after 2010, you’ve probably noticed the blue-capped diesel exhaust fluid (DEF) fill port next to your diesel tank. DEF is the working fluid that your selective catalytic reduction (SCR) system uses to clean nitrogen oxide (NOx) emissions and keep your diesel running …
You may have heard that diesel exhaust fluid (DEF) can go bad sitting in the jug, or worse, you’ve already dealt with a fault code from contaminated fluid. Now you need the real answer, not the generic “keep it cool” advice, but the actual science of what wrecks diesel exhaust fluid and how to stop …
Many Class 8 truck drivers wonder whether budget options like 2-stroke oil or automatic transmission fluid (ATF) can match the performance of commercial diesel additives. If you operate a Volvo D13, Detroit DD15, PACCAR MX-13 or Cummins X15/ISX engine with modern emissions equipment, understanding what actually protects your fuel system can save thousands in repair …
As your diesel vehicle ages and puts on more miles, it only makes sense that its fuel efficiency will begin to drop sharply, right? Actually, miles per gallon (MPG) is a measurement used to determine your vehicle’s fuel economy. It reveals how many miles a vehicle can travel with a single gallon of fuel. A …