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Fuel System FAQs : Expat Auto Co., Ltd. Fuel System FAQs : Expat Auto Co., Ltd.

What will happen and what should I do if I put the wrong type of fuel in my car.. Ie. petrol/ diesel?

Fuel System

[bwla_faq faq_category="fuel-system" taxonomy_info="0" orderby="menu_order" order="ASC" sbox="1" list="1"/]

Fuel System

Firstly the right kind 🙂 ie. Petrol or Diesel engine. Secondly some of the more expensive types of diesel, for example, have extra additives that can assist with better part lubrication and performance.

 For petrol engines, it's the same in terms of additives, but also different octane levels such as 91, 95, and if it's an ethanol blend can be better suited for some models.  Generally, we would recommend to go with the higher octane it is available.

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Sure! Read all about our recommended additives here.

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This is different from model to model. Consult your user manual for the manufacturer's recommended service interval.

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"Since diesel fuel is thicker and denser than gasoline, the fuel pump will struggle to move the diesel/gasoline mixture through the system. Also, the diesel will not be able to easily pass through the fuel filter. Instead, it will clog up the fuel filter. And whatever amount of diesel that then makes its way to the engine will clog the fuel injectors, making them inoperable. This will result in the engine gumming up and seizing. The gasoline engine may run for a little while after diesel has been put in the tank, but that is only because it is still running on the fuel line's remaining gasoline.

As bad as that situation may be, the opposite problem – pouring gasoline into a diesel tank – would be far worse. Because of gasoline's high combustion tendencies, it would ignite much sooner than diesel fuel would. This early ignition and volatility could cause catastrophic damage to the diesel engine and its components.”

Source: https://www.jdpower.com/cars/shopping-guides/what-happens-if-you-put-diesel-in-a-gasoline-car

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