What is an EGR Cooler and Why Do We Need Them?
EGR (exhaust gas recirculation) became part of the emissions control system in heavy-duty trucks as early as 2002. This part recycles exhaust gas through the EGR cooler and back into the engine’s cylinders to burn with the new fuel. The aim of the EGR is to cut your emissions by burning exhaust more thoroughly and […]
Technical Tips for DEF Headers
As diesel engines and their associated systems develop, they also become more complicated. This creates a constant learning curve for truck drivers and mechanics alike! The newly introduced DEF header is a prime example of this. The DEF header is also known as the DEF head, DEF level sender and DEF sending unit. We decided […]
Causes and Symptoms of Black, White and Blue Diesel Exhaust Smoke
If You See Smoke: Say Something! Apart from the faint white exhaust smoke that comes from the tailpipe in cold temperatures, you should not see smoke of any colour from a post-2007 diesel engine. Your DOC, DPF and, depending on your truck model, your SCR system, filter your exhaust stream. The aftertreatment system removes toxic […]
The Upstream Issues Behind Your Aftertreatment Problems
Heavy-duty aftertreatment systems work with your diesel engine to reduce emissions and increase efficiency. The two systems are interlinked, allowing them to work much more effectively together. However, this also means that if there are issues with one system, they can affect the other. Untreated upstream issues can damage your aftertreatment devices, which in […]