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Consequences of Putting Petrol in a Diesel Car: What You Must Know

Learn what to do if you accidentally put petrol in a diesel car and how to avoid engine damage.

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Video transcript

If you put 10 litres of petrol in a diesel car, do not start the engine. Petrol can damage diesel engines. Have the fuel tank drained and flushed immediately by a professional. This prevents engine damage and ensures your vehicle runs smoothly.

Questions and answers

  1. What should I do if I put petrol in a diesel car?

    Do not start the engine. Have the fuel tank drained and flushed by a professional immediately.

  2. Can petrol damage a diesel engine?

    Yes, petrol can cause significant damage to diesel engines, affecting their operation and longevity.

  3. How much petrol can my diesel car tolerate?

    Typically, even a small amount of petrol can damage a diesel engine, so it's best to avoid mixing fuels altogether.

  4. What are the signs of petrol in a diesel engine?

    Signs include rough running, loss of power, or engine misfiring shortly after the fuel was mixed.

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For more tips on car maintenance and avoiding common pitfalls, check out our other videos about fuel types and vehicle care.