Contaminated fuel in a Fiat 500L Multijet? Petrol in a Diesel Fiat?

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Putting Petrol in a Diesel Fiat is a fairly typical mistake. And exactly what you want to do about it is dependent upon several different factors. If you would like to know what to do to sort it out then read on.
Listed here the most important factors to to consider whenever deciding on whether to get a fuel drain:

  1. Exactly how much Petrol have you put in the Fiat, bearing in mind that the fuel tank capacity of your Fiat 500L Multijet is normally about 35 litres?
    1. A small amount of Petrol, as little as 1.75 litres of Petrol in a Diesel 500L Multijet will in most cases not be a major problem. Experience has proven to us that an amount under 1.75 litres (approximately 5% of the entire fuel tank) is in many instances capable of being sufficiently diluted by means of wholly topping up the tank with Diesel.
      It is pretty unusual to come across a car or truck going through problems with below 5% wrong fuel contamination. Remember that it is very infrequent - definitely not impossible to find. You will discover certain motor vehicles that don't stand any level of contamination at all.
    2. Somewhere between 1.75 and 3.5 litres of Petrol in the Fiat (5 to 10%) is more of a 50/50 scenario. Our experience has confirmed that as many motorists get away with it as those who break down. Whenever you are deciding upon whether to risk it and simply top it up remember that it is much like wagering your car on black - you have got a 50/50 chance of it being ok.
    3. Anything over 3.5 litres of Petrol in a Diesel 500L Multijet must immediately be removed because your likelihood of getting away with this level of contamination is more than likely less than one in 50 - extremely long odds.
  2. Put some Petrol in a Diesel Fiat and drove it: Have you detected any performance concerns after putting the bad fuel in your 500L Multijet? If so, have it removed irrespective of the volume of Petrol or the contamination percentage. Proceeding to run driving an automobile that is beginning to suffer the effects of fuel contamination can typically end up in even more harm affecting your fuel system.
  3. Would you like assurance?
    You should get it emptied. Regardless of the contamination ratio, there is always some degree of danger connected with running a Diesel engine on Diesel contaminated with the wrong fuel. Likely consequences of driving on the wrong fuel include the motor not starting, running unevenly, reduced power, degradation of the high-pressure pump, worn out or bunged injectors, and the like. These are a few of the most frequently seen Petrol in Diesel signs and symptoms, and should you notice any of them stop and have it removed as soon as possible.

Avoid getting any unqualified mechanic to attend your automobile. We are Fiat specialists and have the accreditation and knowledge necessary to make certain you are back on the road with minimal hassle or worry.

Put Petrol in a Diesel Fiat

Inadvertently put Petrol in a Diesel Fiat? Or possibly even put contaminated fuel in your Fiat 500L Multijet?

Contact us for Assistance & Advice

Contact us and get honest guidance and sensible assistance for your exact situation

We come out and do a fuel drain

We can go to you to do the full fuel removal & cleanse there on scene

Once done You Get Moving Once again

When we are done you should be able to get back moving and get on with your trip

Wrong Fuel Drain Specialists

We are the primary wrong fuel drain authorities in the UK, boasting nationwide service, for Fiat motorists especially. We primarily attend:

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

We are Fiat specialists and have successfully drained thousands of Diesel Fiat vehicles. Whether it's roadside, on a station forecourt, or even at your house, we can get you going again.

The Process

The technique of removing Petrol from a Diesel vehicle is fundamentally similar for a large number of vehicles. Naturally it does differ to some degree as each brand has their unique fuel system. Having said that it still essentially adheres to the following principles:

Petrol in Diesel Fiat

Fuel Drain

Empty the Fuel Tank

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Wrong Fuel Drain Fiat

System Flush

Clean out the fuel lines & pumps

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Petrol in Diesel Drain Fiat

Vehicle Restart

Get the car up and running again

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Petrol in Diesel Questions

When someone has put Petrol in a Diesel car they have a few very common questions. So we have compiled a list of the most Frequently Asked Questions for you

I put Petrol in a Diesel 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 Diesel car on Petrol 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 Petrol can I get away with in a Diesel 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 Diesel 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 need our assistance please Contact Us!
We can get you on the road once again.

24/7 Fiat 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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