What Does a Derate Code Mean? If your Fiat PowerTrain or other off-highway engine is giving you a derate code, it probably isn’t the only code you’re seeing. When you get a derate code it is a sign of underlying problems. Some of the most common underlying problems that lead...

Connection problems with your Cojali or other scan tool don’t have to get in the way of your equipment diagnostics and repairs. Many of today’s machines communicate through using the CAN protocol.  If you cannot communicate with your scan tool, this may be due to a problem on the vehicle...

The following is a guest post by one of our resident Diesel Experts, Jeff Celentano! Air brake maintenance is a critical part of a truck, especially during the northern winter months when air lines are prone to freezing. In this post, we will cover the details of proper air brake...