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Accidentally filled petrol in diesel car? Here's what to do

While misfueling can be a costly mistake, swift action and professional intervention can mitigate the extent of damage, ensuring the vehicle's optimal performance and longevity.

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Edited By: Mayank Kasyap
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New Delhi: In a country where vehicles predominantly run on petrol, diesel, and CNG, incidents of misfueling at petrol pumps remain a common concern. The inadvertent pouring of the wrong fuel into a vehicle's tank can spell disaster, especially if petrol finds its way into a diesel car. While diesel in a petrol car poses lesser risks, rectifying the mistake promptly can prevent significant damage to the engine.

Understanding the risks

Diesel serves as a lubricating agent crucial for the proper functioning of the engine's components. However, if petrol enters the diesel tank, it disrupts this delicate balance. Upon ignition, petrol, acting as a solvent, permeates through the engine, increasing friction among its parts. This friction can cause severe damage to the fuel pump, fuel lines, and the engine itself.

Immediate action is key

If you realize that petrol has been mistakenly poured into your diesel car, refrain from starting the engine. Initiating the car's ignition will allow the petrol-infused mixture to circulate within the engine, heightening the risk of damage. Instead, seek immediate assistance to drain the incorrect fuel from the tank and lines, replacing it with diesel.

Halt and seek help

In the event that you've unknowingly driven the vehicle after misfueling, promptly switch off the engine and refrain from further operation. Even a brief drive can exacerbate the damage, potentially costing thousands in repairs. Park the car safely and seek professional assistance to thoroughly clean the engine, fuel tank, and pipes.

Expert intervention

To rectify the damage, a mechanic must meticulously clean the engine and extract any residual oil. This process involves a comprehensive assessment of the vehicle's components to identify and address any potential damage caused by the misfueling incident.

In conclusion, while misfueling can be a costly mistake, swift action and professional intervention can mitigate the extent of damage, ensuring the vehicle's optimal performance and longevity.

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