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Putting diesel in a petrol car can be a costly mistake, leaving drivers wondering, “How Much To Fix Diesel In Petrol Car?” Unfortunately, there’s no one-size-fits-all answer. The cost depends on several factors, including the amount of diesel added, the car’s make and model, and the extent of the damage.

Understanding the Problem: Diesel in a Petrol Engine

Diesel fuel is denser and less volatile than petrol. When introduced into a petrol engine, it disrupts the combustion process. Instead of burning efficiently, the diesel can clog the fuel injectors, contaminate the fuel system, and potentially damage the catalytic converter. The severity of the problem directly correlates with how much diesel was added and how long the engine ran.

If you’ve only added a small amount of diesel and haven’t started the engine, the fix is relatively straightforward and less expensive. Draining the tank, flushing the fuel system, and replacing the fuel filter should suffice. However, if you’ve driven the car with diesel in the tank, the repair costs can significantly increase.

How Much Does It Cost to Drain and Flush the Fuel System?

Draining the fuel tank and flushing the fuel lines can cost anywhere from $100 to $500, depending on the complexity of the vehicle’s fuel system and labor rates. Replacing the fuel filter will add another $50 to $150 to the bill.

What Happens If I Drove with Diesel in My Petrol Car?

Driving with a diesel-contaminated fuel system can lead to more severe issues. The diesel can damage the fuel pump, injectors, and catalytic converter, leading to costly repairs. Replacing a fuel pump can cost between $200 and $1000, while new fuel injectors might set you back $200 to $800 per injector. A catalytic converter replacement can range from $500 to $2500.

“Prevention is always better than cure,” says automotive expert John Miller, ASE Certified Master Technician. “Paying attention at the pump can save you hundreds, if not thousands, of dollars in repairs down the line.”

What are the Signs of Diesel in a Petrol Car?

Recognizing the signs early is crucial. Symptoms include difficulty starting, rough idling, excessive smoke, and a noticeable decrease in performance. If you suspect you’ve put diesel in your petrol car, do not start the engine. This will limit the damage and minimize the repair costs.

What Should I Do if I Put Diesel in My Petrol Car?

• Don’t start the engine: This is the most crucial step to prevent further damage.
• Contact a qualified mechanic: Explain the situation and arrange for your car to be towed to a reputable repair shop.
• Be prepared for the costs: The mechanic will diagnose the extent of the damage and provide you with a cost estimate for the repairs.

“Misfuelling happens more often than you think,” explains Sarah Johnson, Lead Mechanic at Johnson Auto Repair. “The key is to act quickly and get professional help.”

Conclusion: Addressing the Cost of Diesel in a Petrol Car

The cost to fix diesel in a petrol car varies widely depending on the specific situation. While draining and flushing the fuel system might be relatively inexpensive if caught early, driving with contaminated fuel can lead to significantly higher repair costs. By understanding the potential problems and taking immediate action, you can minimize the damage and save yourself money. Don’t hesitate to reach out to us at AutoTipPro at +1 (641) 206-8880 or visit our office at 500 N St Mary’s St, San Antonio, TX 78205, United States, for expert advice and assistance.

FAQ

1. Can I drive my car if I put a little diesel in it? No. Even a small amount of diesel can cause problems.
2. Is it more expensive to fix diesel in a petrol car than vice-versa? Generally, yes. Petrol in a diesel car is often less damaging than diesel in a petrol car.
3. Will my insurance cover the cost of repairs? This depends on your specific insurance policy.
4. How can I prevent this from happening again? Pay close attention at the pump and double-check the fuel type before filling.
5. How long does it take to fix a car with diesel in the petrol tank? The repair time varies depending on the severity of the damage.
6. Can I fix this myself? While some minor issues can be addressed with DIY solutions, it’s generally best to consult a qualified mechanic.
7. What kind of mechanic should I take my car to? A reputable mechanic specializing in fuel system repairs is recommended.