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How Much to Fix If You Put Diesel in a Petrol Car

So you want to know how much it would cost to put diesel in a petrol car. However, there is one important thing you need to know before doing so. The ratio of petrol to diesel is 95:1. That means that you can safely put up to five percent of petrol in a diesel car and still be safe. But, if you do it wrong, you can end up with thousands of pounds worth of damage.

First, you must make sure that the fuel tank is empty. If you put diesel in a petrol car, you must first drain the fuel from the tank. In some cases, the fuel pump, injector, or fuel rail will need to be replaced. The further the diesel has traveled inside the engine, the more expensive it will be to repair it. However, some older diesel cars are tolerant of around 10% contamination, whereas more modern ones are not.

Putting diesel in a petrol car can also be dangerous, as the fuel pump will not fit in the petrol filler neck. Besides, diesel fuel will contaminate the entire fuel system, as it is oilier and heavier than petrol. This could lead to a jammed engine, which could be disastrous. However, there are simple measures you can take to avoid this problem before it gets out of control.

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