Bad fuel in your Seat Altea 1.4? Diesel in your Petrol Seat?

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Seat Fuel Drain


Filling up with Diesel in a Petrol Seat is a common mistake. And its remedy depends upon an assortment of things. In case you want to find out what you must do about this then keep reading.
These are the main factors to take into account when determining whether to get your car drained:

  1. How much Diesel did you put in to the Seat, taking into account that the fuel capacity of the Seat Altea 1.4 is most likely around 55 litres?
    1. A tiny quantity of Diesel, something like 2.75 litres of Diesel in a Petrol Altea 1.4 will quite often not be a massive problem. Experience has taught us that an amount less than 2.75 litres (approximately 5% of the entire fuel tank) is generally able to be completely diluted through totally filling the rest of the tank with the correct fuel.
      It is rather rare to find a car or truck experiencing problems due to lower than 5% wrong fuel contamination. Bear in mind that it's rare - definitely not impossible to encounter. There are actually certain motor vehicles that don't stand any degree of contamination at all.
    2. In between 2.75 and 5.5 litres of Diesel in the Seat (from 5 to 10%) is more of a 50/50 situation. Our working experience demonstrates that as many motorists get away with it as all those who don't. Any time you are trying to decide whether to chance it and simply top it up bear in mind that it is just like betting it all on black - you will have a 50/50 chance of it working out.
    3. Anything more than 5.5 litres of Diesel in a Petrol Altea 1.4 really should right away be removed seeing as your probability of succeeding with this level of contamination is certainly below one in 50 - extremely huge odds.
  2. Put Diesel in a Petrol Seat and drove it: Have you seen any kind of performance troubles ever since putting the incorrect fuel in the Altea 1.4? If so, get it removed no matter the amount of Diesel or the contamination percentage. Still running a car that is currently starting to suffer the effect of fuel contamination will only bring about progressively more harm affecting your fuel system parts.
  3. Would you like reassurance?
    Then simply just get it emptied. No matter the contamination percentage, there is inevitably some degree of threat associated with running a Petrol engine on fuel contaminated with the wrong fuel. Likely consequences of driving a vehicle on the incorrect fuel include things like the motor not starting, running unevenly, lack of power, degradation of the high-pressure pump, damaged or bunged injectors, and the like. These are several of the commonest Diesel in Petrol warning signs, and if you observe any of them stop and have it drained immediately.

Do not just get any general so-and-so to try to drain your vehicle. We are Seat specialists and hold the credentials and knowledge required to make certain that you are back on the road with little hassle or trouble.

Put Diesel in a Petrol Seat

Mistakenly put Diesel in a Petrol Seat? Or perhaps even put contaminated fuel in your Seat Altea 1.4?

Call us for Help & Advice

Contact us and obtain honest recommendations and sensible assistance for your specific circumstances

We arrive and do a fuel drain

We would come to you to undertake the complete fuel drain & clean there on scene

Once completed You Get Going Again

As soon as we have finished you can get back on the road and get on with your trip

Wrong Fuel Drain Specialists

We are the top rated wrong fuel drain experts in the UK, offering national cover, for Seat motorists in particular. We predominantly fix:

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

We are Seat specialists and have successfully drained thousands of Petrol Seat vehicles. Regardless of whether it is roadside, on a station forecourt, or even at home, we are able to get you moving once again.

The Procedure

The system of removing Diesel from a Petrol vehicle is generally similar for virtually all vehicle makes. Needless to say it can vary a little as each make has their unique fuel system. Nevertheless it still fundamentally follows the following principles:

Petrol in Diesel Seat

Fuel Drain

Empty the Fuel Tank

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Wrong Fuel Drain Seat

System Flush

Clean out the fuel lines & pumps

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Petrol in Diesel Drain Seat

Vehicle Restart

Get the car up and running again

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Diesel in Petrol FAQs

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.

Get in Touch

In the event that you have any enquiries or want some help please Call us!
We can get you on the road again.

24/7 Seat Helpline

0333 366 0103

Our Business Office

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

Weekdays: 9am to 5pm

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