Incorrect fuel in a Ford S-Max? Diesel in your Petrol Ford?

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Ford Fuel Drain


Filling up with Diesel in a Petrol Ford is a very common mistake to make. And what you should do about it is based on various things. In the event that you want to find out what it is best to do to sort it out then continue reading.
Listed here the most crucial variables to consider when deciding whether to have a fuel drain:

  1. Exactly how much Diesel have you put into the Ford, bearing in mind that the fuel tank capacity of the Ford S-Max is most likely around 70 litres?
    1. A modest quantity of Diesel, less than 3.5 litres of Diesel in a Petrol S-Max will most of the time not really be a big problem. Experience has proven to us that anything under 3.5 litres (which is 5% of the fuel tank volume) is in many instances able to be sufficiently diluted simply by entirely filling up the remainder of the tank with Petrol.
      It is relatively unusual to encounter a motor vehicle suffering from problems with less than 5% wrong fuel contamination. Keep in mind it is very infrequently found - certainly not impossible to find. There are certain cars that will not endure any degree of fuel contamination at all.
    2. Between 3.5 and 7 litres of Diesel in the Ford (5 to 10%) is more of a 50/50 situation. Our expertise has revealed that as many drivers get away with it as those who break down. When trying to decide whether to chance it and just top it up consider that it is just like wagering your car on black - you've got a 50/50 chance of it working out.
    3. Anything over 7 litres of Diesel in a Petrol S-Max should straight away be removed seeing as your likelihood of succeeding with this amount of contamination is more than likely lower than one in fifty - extremely big odds.
  2. Put Diesel in a Petrol Ford and drove it: Have you noticed any kind of performance issues since putting the incorrect fuel in your S-Max? If so, get it removed irrespective of the amount of Diesel or even the contamination percentage. Continually driving an automobile that is already starting to suffer from the effect of fuel contamination will just result in more damage affecting the fuel system parts.
  3. Do you want peace of mind?
    Then get it removed. Whatever the contamination ratio, there is inevitably some degree of threat connected to driving a Petrol motor on fuel contaminated with the incorrect fuel. Likely consequences of driving a car on the wrong fuel include things like the engine refusing to start, running lumpy, lack of power, degradation of the high-pressure pump, worn or bunged 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 cease driving and get it drained immediately.

Don't simply get any unqualified mechanic to attend your vehicle. We are Ford experts and hold the skills and expertise necessary to ensure that you are back on the road with a minimum of hassle or worry.

Put Diesel in a Petrol Ford

Mistakenly put Diesel in a Petrol Ford? Or possibly even put contaminated fuel in your Ford S-Max?

Contact us for Help & Guidance

Contact us and receive honest advice and practical help for your particular situation

We come out and drain it

We would go to you to do the complete contaminated fuel removal & clean there on scene

All done & You Get Going Again

When we are done you will be able to get back on the road and get on with your trip

Wrong Fuel Drain Specialists

We are the leading wrong fuel drain experts in the UK, having nationwide service, for Ford motorists especially. We typically fix:

  • Unleaded petrol in Diesel Car
  • Diesel in Unleaded Petrol Car
  • AdBlue fuel contamination
  • Water contamination

We are Ford specialists and have successfully drained thousands of Petrol Ford vehicles. Even if it is roadside, on a filling station forecourt, or even at your house, we are able to get you moving once again.

The Procedure

The procedure of extracting Diesel from a Petrol car is in essence identical for the majority of vehicles. Obviously it does differ a little as each make has their particular fuel system. Nevertheless it still follows the below principles:

Petrol in Diesel Ford

Fuel Drain

Empty the Fuel Tank

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Wrong Fuel Drain Ford

System Flush

Clean out the fuel lines & pumps

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Petrol in Diesel Drain Ford

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

If you have any enquiries or want some assistance please Contact Us!
We can get you going 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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