What is what to do when you put diesel in a gas engine?

Wrong Fuel: Diesel in a Gasoline Engine

Putting diesel in a gasoline engine is a common, but potentially damaging, mistake. Diesel fuel and gasoline have very different properties, and your car is designed to run on one or the other, not both. Here's what to do:

1. Don't Start the Engine: This is the most important thing. If you realize your mistake before starting the engine, you've saved yourself a lot of trouble and expense. Even turning the key to the "accessory" position to prime the fuel pump can circulate the diesel.

2. Call for Help: Contact a <a href="https://www.wikiwhat.page/kavramlar/towing%20service">towing service</a> or roadside assistance immediately. Do not attempt to drive the vehicle. Explain the situation to them, and they can arrange for a professional to drain the fuel tank.

3. Professional Fuel Drain: A qualified mechanic needs to drain the fuel tank completely. They will also likely need to flush the fuel lines and potentially replace the fuel filter. It is crucial to remove all traces of diesel fuel from the <a href="https://www.wikiwhat.page/kavramlar/fuel%20system">fuel system</a>.

4. Potential Damage: The extent of the damage depends on whether you started the engine and how long it ran. If you didn't start the engine, you're likely in the clear after the fuel is drained and the system is cleaned. If you did start the engine, the following issues can occur:

   • Fuel Injectors: Diesel fuel can damage the gasoline <a href="https://www.wikiwhat.page/kavramlar/fuel%20injectors">fuel injectors</a>.
   • Fuel Pump: The <a href="https://www.wikiwhat.page/kavramlar/fuel%20pump">fuel pump</a> can be damaged by the incorrect fuel type.
   • Catalytic Converter: The <a href="https://www.wikiwhat.page/kavramlar/catalytic%20converter">catalytic converter</a> can be damaged by the combustion of diesel fuel in a gasoline engine.
   • Engine Damage: In severe cases, running the engine with diesel fuel can lead to significant internal engine damage.

5. After Repairs: After the fuel system is cleaned and any necessary repairs are made, fill the tank with the correct gasoline grade. Monitor the engine closely for any unusual noises, performance issues, or warning lights. If you notice anything amiss, take the vehicle back to the mechanic immediately.

6. Prevention: Always double-check the fuel pump and nozzle before filling your vehicle. Pay close attention, especially if you drive different vehicles with different fuel requirements.

Disclaimer: This information is for general guidance only and should not be substituted for professional mechanical advice. The specific actions required may vary depending on the vehicle and the extent of the contamination.