Wrong fuel in your Citroen xsara? Diesel in your Petrol Citroen?

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


Filling Diesel in a Petrol Citroen is a fairly typical error. And exactly what you need to do about it varies according to a few things. If you want to find out what you must do to fix it then keep reading.
Listed below are the key variables to be aware of whenever determining whether or not to have a fuel drain:

  1. What level of Diesel did you put in to the Citroen, taking into consideration that the fuel tank capacity of your Citroen xsara is in most cases around 54 litres?
    1. A small amount of Diesel, as little as 2.7 litres of Diesel in a Petrol xsara will generally not be a major problem. Experience has taught us that anything less than 2.7 litres (which is about 5% of the total fuel tank volume) is in many instances capable of being adequately diluted simply by thoroughly filling the remainder of the tank with the appropriate fuel.
      It's relatively rare to encounter a car suffering from difficulties because of lower than 5% incorrect fuel contamination. Do not forget that it's infrequently found - certainly not impossible to find. You will discover some automobiles that will not stand any quantity of fuel contamination in the slightest.
    2. Somewhere between 2.7 and 5.4 litres of Diesel in the Citroen (from 5 to 10%) is really a 50/50 condition. Our practical experience has revealed that as many people get away with it as those who break down. Whenever you are figuring out whether to chance it and simply fill it up remember that it is exactly like wagering it all on black - you will have a 50/50 chance of it working.
    3. Anything more than 5.4 litres of Diesel in your Petrol xsara should really as soon as possible be drained seeing that your probability of succeeding with this level of contamination is more than likely lower than one in fifty - seriously huge odds.
  2. Put some Diesel in a Petrol Citroen and drove it: Have you detected any kind of performance issues since putting the wrong fuel in the xsara? If so, get it emptied no matter the quantity of Diesel or even the contamination ratio. Continually running a car that is beginning to suffer the effect of wrong fuel contamination will likely cause more and more damage being caused to your fuel system components.
  3. Do you need security?
    You should get it emptied. No matter the contamination percentage, there is always some degree of risk associated with operating a Petrol motor on fuel contaminated with the wrong fuel. Possible final outcomes of driving a car on the wrong fuel include things like the motor refusing to start, running unevenly, decrease in power, degradation of the high-pressure pump, worn out or blocked injectors, and the like. These are a few of the commonest Diesel in Petrol signs or symptoms, and in the event that you notice any of them then stop and have it removed right now.

Stay away from having any jack-of-all-trades to attend your car. We are Citroen specialists and have got the skills and practical experience necessary to ensure you get back on the road with no hassle or worry.

Put Diesel in a Petrol Citroen

Mistakenly put Diesel in a Petrol Citroen? Or possibly even put contaminated fuel in your Citroen xsara?

Give us a call for Help & Advice

Give us a call and receive straightforward advice and sensible assistance for your exact circumstances

We come out and drain it

We can go to you to perform the contaminated fuel retrieval & clean right there on scene

All done & You Get Going Once again

Once we are done you will be able to get back moving 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 Citroen motorists especially. We primarily fix:

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

We are Citroen specialists and have successfully drained thousands of Petrol Citroen vehicles. Whether it's at the roadside, on a petrol station forecourt, or even at home, we are able to get you going again.

The Procedure

The method of removing Diesel from a Petrol car is fundamentally the same for most vehicles. Of course it can vary a bit as each brand has their own fuel system. However it still fundamentally observes the below principles:

Petrol in Diesel Citroen

Fuel Drain

Empty the Fuel Tank

View more
Wrong Fuel Drain Citroen

System Flush

Clean out the fuel lines & pumps

View more
Petrol in Diesel Drain Citroen

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 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.

Call us

Should you have any concerns or need help please Contact Us!
We are able to get you on the road again.

24/7 Citroen Helpline

0333 366 0103

Our Corporate Office

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


Important Info

Fully Insured

VAT Registered

APEX Certified


Fully Mobile

Professionally Trained