What Happens if you put Diesel in a Gasoline Car?

Accidentally putting diesel fuel in a gasoline-powered vehicle is a more common mistake than one might think, especially since many fuel pumps often house the gas nozzle right next to the diesel nozzle. If a driver is not paying attention, they can potentially grab one over the other and attempt to pump the wrong kind of fuel into their tank.

However, this is not necessarily an easy mistake to make because diesel pumps are generally labeled in a vibrant green to differentiate themselves. Also, a vehicle's gasoline filler neck and the diesel fuel nozzle are purposely designed to be incompatible. Meaning, the diesel dispenser is too large to fit into a gasoline filler neck easily. That being the case, people still somehow manage to pour diesel fuel into their gasoline tank.

When diesel contamination occurs, it can have severe consequences on a conventional gasoline-powered vehicle's health and operation.