Diesel engine runaway. FYI . Diesel engine runaway is a rare condition affecting diesel engines, in which the engine draws extra fuel from an unintended source and overspeeds at higher and higher RPM until destroyed by mechanical failure. | Global Logistics Media

First start of a 1970s GMC semi truck in 12 years, then the injector racks are tied wide open and the 8V71 Detroit runs away resulting in a fireball. | American Truck Enthusiasts

⚙️ Causes of Diesel Runaway Here are the most common causes: 1. Turbocharger oil seal failure • The turbo’s oil seals leak, letting engine oil enter the intake. • The engine starts burning this oil like fuel. • Common in older or high-mileage turbo diesels. 2. Excessive crankcase pressure (blow-by) • Worn piston rings or valve seals allow oil mist and vapors into the intake through the breather system. 3. Overfilled engine oil • Too much oil causes it to foam and enter the intake via the breathe

first fire! #2stroke #detroitdiesel #firetruck | checkersgarage

Here’s How You Quickly Stop a Runaway Diesel Do you know why some people like to call diesels Satan’s engines? Yeah, rattling and soot were the most common reasons, despite not necessarily applying to modern engines, but another reason for that is the fact that they can betray you and cause what's called a runaway, putting life and limb at risk. You’ve probably heard about a runaway diesel at some point or may have even experienced the ordeal back in the day when these engines were not that elec