How Much Petrol Can Damage a Diesel Engine? Key Insights

Learn about the dangers of mixing petrol with diesel and how to protect your engine from costly damage.

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Even a small amount of petrol, such as 5-10%, mixed with diesel can cause significant damage to a diesel engine. Petrol lacks the lubrication properties required for a diesel engine, leading to increased friction and wear. If you accidentally add petrol, it is crucial to avoid starting the engine and to drain the fuel system completely. Professional assistance should be sought to prevent costly repairs.**

FAQs & Answers

  1. What happens if I put petrol in my diesel engine? Even a small amount of petrol can cause serious damage, as it lacks the essential lubrication for diesel engines.
  2. How can I fix a diesel engine with petrol in it? Do not start the engine. Instead, drain the fuel system completely and seek professional help immediately.
  3. What are the signs of diesel engine damage? Symptoms include increased engine noise, poor performance, and visible leaks or smoke.
  4. Can I add an additive to fix petrol contamination in diesel? While some additives may help, the best course of action is to drain the contaminated fuel and get professional assistance.