Source Automotive

Excessive exhaust gas temperatures (or EGT’s) are a considerable risk to modern diesel engines. When excessive EGT’s are present, damage to the motor will result. This damage can ruin the bearings in the turbo or melt a piston causing catastrophic engine failure. Repairing damage like this in many cases can exceed the replacement value of the truck! The causes of excessive EGT’s can create a very long list. The most likely suspects are, towing heavy loads particularly when driving uphill, performance modifications, electronic or mechanical failures and more. Because there is no one single cause for this problem, it is important to understand what is happening, the dangers involved and the steps you can take to prevent dangerous EGT’s. The first thing to understand is how to interpret the temperature. What I mean is this, if I were to tell you that the EGT’s during a particular set of circumstances were 1000 degrees, most people would indicate that to be a “safe” temperature. This inf