Incorrect fuel in a Volkswagen Passat CC TSI? Diesel in your Petrol Volkswagen?

We can help!
Call us: 0333 366 0103
Volkswagen Fuel Drain


Filling Diesel in a Petrol Volkswagen is a common problem. And exactly what you have to do about it depends upon a few things. If perhaps you would like to find out what it is advisable to do about it then keep on reading.
Listed below are the most important variables to be aware of whenever choosing whether to have it drained:

  1. Exactly how much Diesel have you put into the Volkswagen, taking into account that the fuel tank capacity of the Volkswagen Passat CC TSI is in most cases around 70 litres?
    1. A small amount of Diesel, as little as 3.5 litres of Diesel in a Petrol Passat CC TSI will normally not necessarily be a massive problem. Experience has shown us that anything under 3.5 litres (close to 5% of the whole fuel tank capacity) is oftentimes capable of being adequately diluted by wholly filling the remainder of the tank with the appropriate fuel.
      It is very rare to come across a vehicle experiencing difficulties with below 5% incorrect fuel contamination. Bear in mind that it is uncommon - in no way impossible to find. You can get some vehicles that don't stand any level of contamination whatsoever.
    2. Between 3.5 and 7 litres of Diesel in the Volkswagen (from 5 to 10%) is really a 50/50 scenario. Our practical experience has revealed that as many people get away with it as those who break down. When you are figuring out whether or not to chance it and basically fill it up remember that it is very much like gambling your car on black - you have got a 50/50 chance of it working.
    3. Anything in excess of 7 litres of Diesel in a Petrol Passat CC TSI should really straight away be removed seeing that your probability of getting away with that amount of contamination is certainly below one in fifty - truly huge odds.
  2. Put some Diesel in a Petrol Volkswagen and drove it: Have you noted any kind of performance issues since putting the incorrect fuel in the Passat CC TSI? If you have, have it drained no matter the quantity of Diesel or even the contamination ratio. Still running a vehicle that is currently beginning to suffer from the effects of wrong fuel contamination can typically end up in even more harm affecting the fuel system.
  3. Are you looking for security?
    You should get it removed. Whatever the contamination ratio, there is inevitably some degree of risk associated with running a Petrol engine on Petrol contaminated with the wrong fuel. Possible outcomes of driving a vehicle on the incorrect fuel include the motor refusing to start, running lumpy, decrease in power, degradation of the high-pressure pump, worn or blocked injectors, and so on. These are some of the commonest Diesel in Petrol warning signs, and in the event that you recognise any of them then stop and get it drained right away.

Keep away from having any jack-of-all-trades to attend your car. We are Volkswagen specialists and have the qualifications and experience needed to make certain you get back on the road with minimum hassle or worry.

Put Diesel in a Petrol Volkswagen

Inadvertently put Diesel in a Petrol Volkswagen? Or even put contaminated fuel in your Volkswagen Passat CC TSI?

Give us a call for Help & Guidance

Contact us and get sincere recommendations and sensible assistance for your specific situation

We come out and do the fuel drain

We would come to you to undertake the complete contaminated fuel retrieval & clean right there on scene

All done & You Get Moving Once again

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

Wrong Fuel Drain Specialists

We are the primary wrong fuel drain specialists in the UK, offering national service, for Volkswagen motorists in particular. We principally deal with:

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

We are Volkswagen specialists and have successfully drained thousands of Petrol Volkswagen vehicles. No matter if it's roadside, on a petrol station forecourt, or even at your house, we are able to get you moving again.

The Process

The procedure of removing Diesel from a Petrol vehicle is basically the same for most cars. Needless to say it may vary to some degree as every brand has their own different fuel system. Nevertheless it still adheres to the below points:

Petrol in Diesel Volkswagen

Fuel Drain

Empty the Fuel Tank

View more
Wrong Fuel Drain Volkswagen

System Flush

Clean out the fuel lines & pumps

View more
Petrol in Diesel Drain Volkswagen

Vehicle Restart

Get the car up and running again

View more


Hours a Day


Days a Week





Our Partners

Just some of the few people we work with to bring you the best petrol in diesel service possible

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.

Contact Us

Should you have any questions or want some assistance please Contact Us!
We can get you moving again.

24 hour Volkswagen Helpline

0333 366 0103

Our Business Office

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

Weekdays: 9am to 5pm

Important Info

Fully Insured

VAT Registered

APEX Certified


Fully Mobile

Professionally Trained