What Happens If You Put Petrol in a Diesel Engine?

Learn the risks of misfueling and how to protect your diesel engine from serious damage.

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Putting petrol in a diesel engine can cause severe damage. Petrol reduces lubrication, leading to metal parts grinding against each other and potentially causing engine failure. If you realize you’ve misfueled, do not start the engine. Instead, have your vehicle towed to a mechanic to drain the tank and properly clean the fuel system.

FAQs & Answers

  1. Can I drive my car if I've put petrol in a diesel engine? No, you should not start the vehicle. It's crucial to tow it to a mechanic to drain the tank instead.
  2. What symptoms indicate I've misfueled my diesel engine? Symptoms include rough idling, decreased performance, and unusual noises from the engine.
  3. How much does it cost to fix misfueling issues? The cost can vary, but it typically ranges from $200 to $1,000 depending on the damage done and repair required.

Watch More

For more insights on vehicle care and common misfueling mistakes, check out our other videos on engine maintenance and troubleshooting tips.

  1. Can Putting Petrol in a Diesel Engine Cause Damage? Learn the risks of adding petrol to a diesel engine and what to do if it happens.