Bad fuel in your Cadillac CTS? Diesel in a Petrol Cadillac?

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


Filling Diesel in a Petrol Cadillac is a regular error. And its remedy depends upon an assortment of factors. In case you want to find out what you have to do about this then continue reading.
Right here are the key variables to to consider whenever determining whether to get it drained:

  1. How much Diesel did you put in to the Cadillac, keeping in mind that the fuel capacity of your Cadillac CTS is most likely about 68 litres?
    1. A modest quantity of Diesel, as little as 3.4 litres of Diesel in a Petrol CTS will more often than not not necessarily be a massive problem. Experience has shown us that quantities under 3.4 litres (which is roughly 5% of the entire fuel tank capacity) is quite often able to be adequately diluted simply by wholly topping the rest of the tank with the right fuel.
      It is pretty unusual to encounter a vehicle going through issues with lower than 5% incorrect fuel contamination. Keep in mind that it is infrequently found - certainly not impossible to encounter. You can get some cars that will not endure any amount of fuel contamination at all.
    2. Anywhere between 3.4 and 6.8 litres of Diesel in the Cadillac (5 to 10%) is a 50/50 scenario. Our working experience demonstrates that as many drivers get away with it as those who don't. Whenever you are deciding whether or not to risk it and just top it up bear in mind that it is the same as betting your car on black - you've got a 50/50 possibility of it being ok.
    3. Anything in excess of 6.8 litres of Diesel in a Petrol CTS ought to promptly be drained because your probability of succeeding with this quantity of contamination is more than likely below one in 50 - extremely long odds.
  2. Put some Diesel in a Petrol Cadillac and drove it: Have you seen any performance issues as a result of putting the bad fuel in your CTS? In that case, have it emptied irrespective of the quantity of Diesel or even the contamination percentage. Continually running an automobile that is already starting to suffer from the effect of fuel contamination will probably typically result in even more harm being done to the fuel system.
  3. Would you like peace of mind?
    Then get it emptied. No matter the contamination ratio, there is inevitably a certain level of danger caused by driving a Petrol engine on Petrol contaminated with Diesel. Likely final outcomes of driving a car on the incorrect fuel include the motor not starting, running lumpy, loss in power, degradation of the high-pressure pump, damaged or bunged injectors, and so on. These are several of the commonest Diesel in Petrol signs and symptoms, and should you observe any of them stop and get it removed as soon as possible.

Don't just have any jack-of-all-trades to attend your automobile. We are Cadillac specialists and have got the qualifications and working experience needed to ensure that you get back on the road with a minimum of hassle or trouble.

Put Diesel in a Petrol Cadillac

Mistakenly put Diesel in a Petrol Cadillac? Or even put contaminated fuel in your Cadillac CTS?

Contact us for Assistance & Guidance

Call us and get honest guidance and practical assistance for your particular circumstances

We show up and do the fuel drain

We can come to you to do the contaminated fuel retrieval & flush there on scene

All done & You Get Moving Again

When we are done you are able to get back on your way and get on with your day

Wrong Fuel Drain Specialists

We are the top rated wrong fuel drain authorities in the UK, having nationwide service, for Cadillac motorists in particular. We predominantly deal with:

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

We are Cadillac specialists and have successfully drained thousands of Petrol Cadillac vehicles. No matter if it is at the roadside, on a station forecourt, or even at home, we can get you going once again.

The Procedure

The process of getting rid of Diesel from a Petrol vehicle is basically similar for most cars. Of course it can vary to some degree as each make has their own fuel system. However it still generally observes the following points:

Petrol in Diesel Cadillac

Fuel Drain

Empty the Fuel Tank

View more
Wrong Fuel Drain Cadillac

System Flush

Clean out the fuel lines & pumps

View more
Petrol in Diesel Drain Cadillac

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.

Get in Touch

Should you have any enquiries or require our help please Call us!
We are able to get you moving once again.

24/7 Cadillac 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