Bad fuel in your Audi A3? Diesel in a Petrol Audi?

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Audi Fuel Drain


Filling up with Diesel in a Petrol Audi is a well-known error. And what you should do about it hinges on various things. If you want to know what you should do about it then keep on reading.
Listed here are the most crucial factors to take into consideration whenever deciding on whether to have it drained:

  1. How much Diesel did you put in to the Audi, bearing in mind that the fuel capacity of the Audi A3 is most likely about 50 litres?
    1. A tiny amount of Diesel, something like 2.5 litres of Diesel in a Petrol A3 will most of the time not be a massive problem. Experience has proven to us that anything under 2.5 litres (which is roughly 5% of the entire fuel tank capacity) is generally capable of being sufficiently diluted simply by wholly filling up the remainder of the tank with Petrol.
      It's pretty unusual to find a car or truck suffering from difficulties because of below 5% wrong fuel contamination. Do not forget that it is very infrequent - certainly not impossible to encounter. You will discover certain vehicles that won't stand any degree of contamination in the slightest.
    2. Somewhere between 2.5 and 5 litres of Diesel in the Audi (5 to 10%) is a 50/50 condition. Our practical experience has demonstrated that as many people get away with it as those who don't. When deciding upon whether or not to chance it and just simply top it up bear in mind that it is exactly like betting all of it on black - you will have a 50/50 chance of it working out.
    3. Anything more than 5 litres of Diesel in a Petrol A3 ought to straight away be drained since your probability of succeeding with that quantity of contamination is almost certainly below one in 50 - genuinely long odds.
  2. Put Diesel in a Petrol Audi and drove it: Have you noticed any performance problems ever since putting the incorrect fuel in your A3? In that case, have it drained no matter the volume of Diesel or the contamination percentage. Continuing to drive running a car that is already starting to suffer from the effect of wrong fuel contamination can only be responsible for increasing amounts of damage being caused to your fuel system parts.
  3. Are you interested in peace of mind?
    Simply get it emptied. Whatever the contamination percentage, there is invariably some amount of danger connected to running a Petrol vehicle on fuel contaminated with Diesel. Likely consequences of driving a car on the incorrect fuel can include the engine refusing to start, running unevenly, losing power, degradation of the high-pressure pump, worn or clogged injectors, and the like. These are several of the most frequently seen Diesel in Petrol symptoms, and should you detect any of them stop and have it drained immediately.

Don't just get any unqualified so-and-so to try to drain your automobile. We are Audi experts and have the certification and working experience necessary to make certain you get back on the road with minimum hassle or trouble.

Put Diesel in a Petrol Audi

Unintentionally put Diesel in a Petrol Audi? Or even put contaminated fuel in your Audi A3?

Call us for Help & Advice

Give us a call and get genuine recommendations and practical assistance for your particular situation

We show up and do the fuel drain

We are able to come to you to do the fuel drain & clean there on scene

Once done You Get Going Again

As soon as we have finished you are 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, offering nationwide cover, for Audi motorists in particular. We typically attend to:

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

We are Audi specialists and have successfully drained hundreds of Petrol Audi vehicles. No matter if it is roadside, on a filling station forecourt, or even at your home, we can get you moving again.

The Procedure

The system of getting rid of Diesel from a Petrol car is generally similar for a large number of vehicle makes. As you can imagine it may differ to some degree as each make has their own fuel system. Even so it still basically observes the below guidelines:

Petrol in Diesel Audi

Fuel Drain

Empty the Fuel Tank

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Wrong Fuel Drain Audi

System Flush

Clean out the fuel lines & pumps

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Petrol in Diesel Drain Audi

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.

Get in Touch

In the event that you have any questions or require help please Contact Us!
We can 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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