Incorrect fuel in a Smart roadster? Diesel in a Petrol Smart?

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Smart Fuel Drain


Putting Diesel in a Petrol Smart is a well-known mistake. And its remedy will depend on a variety of factors. If perhaps you would like to find out what you should do to fix it then read on.
Listed here are the most crucial factors to be aware of when figuring out whether or not to get a fuel drain:

  1. What amount of Diesel have you put in the Smart, considering that the fuel tank capacity of the Smart roadster is in most cases roughly 35 litres?
    1. A small quantity of Diesel, less than 1.75 litres of Diesel in a Petrol roadster will normally not be a big problem. Experience has taught us that quantities less than 1.75 litres (which is almost 5% of the fuel tank) is frequently able to be adequately diluted through wholly topping the remainder of the tank with Petrol.
      It is very uncommon to come across a motor vehicle having difficulties due to under 5% wrong fuel contamination. Do not forget that it is infrequently found - in no way impossible to find. You can get certain motor vehicles that won't stand any quantity of contamination at all.
    2. In between 1.75 and 3.5 litres of Diesel in the Smart (from 5 to 10%) is more of a 50/50 condition. Our experience demonstrates that as many motorists get away with this as those who break down. Any time you're deciding upon whether to chance it and basically fill it up remember that it is just like betting everything on black - you will have a 50/50 possibility of it working out.
    3. Anything more than 3.5 litres of Diesel in your Petrol roadster should really straightaway be drained because your probability of driving with that amount of contamination is in all likelihood less than one in 50 - definitely huge odds.
  2. Put some Diesel in a Petrol Smart and drove it: Have you seen any performance issues since putting the incorrect fuel in the roadster? If so, have it drained no matter the volume of Diesel or even the contamination ratio. Still running a car that is currently starting to suffer the consequences of wrong fuel contamination will probably typically end up in more harm being done to your fuel system parts.
  3. Are you interested in security?
    Simply get it removed. Regardless of the contamination percentage, there is invariably some extent of risk connected with driving a Petrol vehicle on fuel contaminated with the incorrect fuel. Likely implications of driving a vehicle on the incorrect fuel include things like the engine refusing to start, running lumpy, loss in power, degradation of the high-pressure pump, damaged or clogged injectors, and so forth. These are several of the most typical Diesel in Petrol symptoms, and in the event that you observe any of them then stop driving and have it removed right away.

Stay away from getting any unqualified mechanic to try to fix your automobile. We are Smart experts and hold the skills and working experience required to make sure that you are back on the road with minimal hassle or worry.

Put Diesel in a Petrol Smart

Mistakenly put Diesel in a Petrol Smart? Or even put contaminated fuel in your Smart roadster?

Call us for Help & Recommendations

Give us a call and obtain reliable guidance and sensible assistance for your exact situation

We show up and do a fuel drain

We are able to come to you to perform the contaminated fuel drain & cleanse right there on scene

All done & You Get Moving Once again

Once we have completed you are able to get back on your way and get on with your day

Wrong Fuel Drain Specialists

We are the top rated wrong fuel drain experts in the UK, boasting nationwide cover, for Smart motorists in particular. We mainly fix:

  • Unleaded petrol in a Diesel Vehicle
  • Diesel in Unleaded Petrol Auto
  • AdBlue contamination
  • Water contamination

We are Smart specialists and have successfully drained hundreds of Petrol Smart vehicles. Even if it's at the roadside, on a petrol station forecourt, or even at home, we are able to get you on the road once again.

The Process

The process of getting rid of Diesel from a Petrol vehicle is essentially identical for a large number of cars. As you can imagine it may vary a little as each make has their unique fuel system. Nevertheless it still observes the following principles:

Petrol in Diesel Smart

Fuel Drain

Empty the Fuel Tank

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Wrong Fuel Drain Smart

System Flush

Clean out the fuel lines & pumps

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Petrol in Diesel Drain Smart

Vehicle Restart

Get the car up and running again

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Diesel in Petrol Questions

When someone has put Diesel in a Petrol car they have a few very common questions. So we have compiled a list of the most Frequently Asked Questions for you

I put Diesel in a Petrol car and drove it. What do I do?


Turn off the car as soon as possible and call us. Continuing to run a vehicle on the wrong fuel can potentially damage it. We will be able to give you advice and assistance based on your circumstances

Will driving a Petrol car on Diesel cause damage to it?


It can. However, if the problem is caught and remedied quickly the risks will be minimal. Of the 1,500 vehicles we attend every month, less than 0.5% have suffered and substantial damage requiring parts replacement.

How much Diesel can I get away with in a Petrol car?


The safe answer is none. However you might be able to get away with a very low contamination ratio. That being said, we always highly recommend draining anything over a 5% contamination ratio asap.

I know about petrol in diesel, but what about Super Unleaded?


Putting Super Unleaded, or Shell V-Power, BP Ultimate Unleaded, etc, will have the exact same effect as putting regular unleaded petrol in your diesel car and will need to be drained out and flushed.

Will getting you to do a fuel drain void my warranty?


No! The EU Block Exemption Regulations clearly state that "the work can be carried out by as long as that garage uses manufacturer approved parts and correctly follows the manufacturer's service schedule."

Can I top it up with Petrol and add some 2-stroke oil?


This might work on some vehicles in some cases, but in the majority on instances it won't and you risk damaging the Lambda sensors as well as fuel pump and injectors, just as a regular misfuel.

Call us

In the event that you have any enquiries or need our help please Contact Us!
We are able to get you on the road again.

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0333 366 0103

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Fuel Fixer Ltd, Linx House, 147 London Road, East Grinstead, RH19 1ET

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