what happens if you put diesel in a gas car

what happens if you put diesel in a gas car

What Happens When You Put Diesel in a Gas Car?

Accidentally putting diesel in a gas car is a common mistake that can have serious consequences for your vehicle. In a nutshell, putting diesel into a gas tank can damage or destroy your fuel system, and is costly to repair. Here’s what you should know about what happens when you put diesel fuel into a gasoline engine.

What Diesel does to your Fuel System

Diesel fuel has a thicker consistency and contains more lubricity than gasoline. When diesel enters a fuel system designed for gasoline, it binds to the inside of the fuel system’s components, creating a black sludge. This sludge can lead to clogged fuel filters, along with corroded and damaged fuel injectors.

Effects of Diesel on your Engine

When diesel reaches your engine it will cause the engine to run rough, produce smoke, and will eventually interfere with the combustion process and lead to complete engine failure.

Consequences of Mixing Gas and Diesel

If you’ve put diesel in your gas car, expect to pay a hefty price to repair the damage. The cost will vary depending on the severity of the damage, but can easily reach into the thousands.

How to Avoid Pouring Diesel in a Gas Tank

To avoid accidentally pouring diesel into your gas tank, you should:

  • Always fill your tank with diesel at dedicated diesel pumps.
  • Look for color-coded pumps – blue for diesel and green or yellow for regular unleaded.
  • Check your receipts: gas pumps should always clearly list the type of fuel dispensed.
  • Check the size and shape of the fuel tank to make sure the fuel matches.
  • Keep a sample of diesel fuel with you and smell each fuel type.
  • NEVER top off your fuel tank in the dark!

In conclusion, even a small mistake of putting diesel in a gas car can have costly repercussions, so it’s important to be sure of the fuel you’re using before pouring it in your tank.

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