Under rare circumstances, diesel engines can experience a phenomenon called runaway, where the engine uncontrollably exceed normal operating speeds.

If you accidentally put gasoline in your diesel vehicle, it's important to take action right away. Here are the first things ...

For diesel trucks, the typical EGT averages around 788 degrees Fahrenheit for optimal performance. Exceeding this range can lead to issues like engine overheating and reducing fuel economy.

Runaway engine events occur when an uncontrolled amount of fuel is dumped into the cylinders. That could be diesel fuel, or it could be another combustible source like oil.

But what causes that unique growl? ... Diesel engines typically operate at much higher compression ratios — often over 20:1 — compared to petrol engines, which hang around 10:1.