Petrol in your diesel car?
We'll get you back on the road

Call for immediate help: 0333 366 1243

Petrol in your Diesel? We'll get you back on the road

Mobile Unit near you now

Petrol in your diesel car? We come & fix it, while you wait

šŸŸ Ā Mobile Unit in your area now

šŸŸ  We get you right back on your journey

šŸŸ Ā Average arrival time 46 minutes

šŸŸ Ā Helping motorists for 15 years

šŸŸ  ISO 9001 & 14001 CERTIFIED

Petrol in diesel mistake?

Diesel cars won't run on petrol. And Petrol cars won't run on diesel. Even having the wrong fuel in the tank can lead to problems. We're the country's leading specialists. We'll fix it for you now - so you can get on with your journey. Just make yourself safe and call us - we'll be with you soon.

Wrong fuel: What to do:

Avoid starting the car, or park safely and turn off the engine

Call our hotline on 0333 366 1243

Make yourself and passengers safe and comfortable

Wait for our mechanic to arrive - typically within 45 mins

"I put 5 litres of petrol in my diesel car"
- We'll get you back on your journey fast, and no damage done.

Our mechanic brings specialist equipment to remove the wrong fuel safely - including flushing your fuel lines, filters and pumps. And we'll give you the correct fresh fuel so you can drive on. It all takes less than an hour, including the re-start procedure. Once done, your car will be just fine.

Ā šŸŸ Ā UK's biggest independent wrong fuel specialists

Ā šŸŸ  5-star ratings on TrustPilot, Reviews-io

Ā šŸŸ  Full after-purchase support

Ā šŸŸ  Trusted by Insurers, Fleet Managers, Hire companies

Ā šŸŸ  Specialising in Wrong Fuel for 15 years

Put petrol in a diesel car and driven it?

Provided you act quickly there will be no damage to your car. You'll be able to forget it ever happened - just drive on as normal. In rare cases some follow-up work might be recommended - our mechanic will advise you. We'll also give you our number for any questions that might come up.

Symptoms of wrong fuel:

Loss of engine power after filling up

Engine runs poorly after refuelling

White smoke in exhaust after filling up

Dashboard warning light after filling up

Fuel pump failure, Vapour Lock, Misfires and blocked fuel lines

Car refuses to start after refuelling or when it has cooled down

Our own tests show that petrol mixed into diesel starts to degrade fuel lines in less than a day.

Petrol also destroys the lubricating properties of diesel, leaving fuel pumps, pistons, cylinders with reduced protection from wear. Our procedure minimises the chance of any damage to engine components.

šŸŸ Ā  Mobile units with trained staff in over 30 locations around the country

Ā šŸŸ Ā  Typical time to complete wrong fuel rescue 35 minutes

Ā šŸŸ  Fresh fuel provided to get you back on your journey

šŸŸ  Our engineer will advise if any future attention needed

What happens if you put petrol in a diesel engine?

Petrol and diesel engines are completely different - neither will run on the wrong kind of fuel. Petrol needs a spark to ignite, but diesel combusts, more slowly, under the extreme pressure created inside the engine. Diesel is thicker than petrol, and more oily - diesel engines rely on this oiliness for lubrication. Petrol washes that oil away, leaving the internal components open to rapid wear.

Differences between petrol and diesel:

Petrol ignites with an electrical spark provided by your engine. Diesel fuel ignites when placed under intense pressure inside the cylinder. The ignition is slower but results in more power at low engine revs

Diesel is oily and much thicker than petrol - the oiliness helps to lubricate engine parts

Diesel fuel is safer than petrol - its fumes are far less likely to ignite in the presence of a flame (though please don't test this as it is still dangerous)

Fuel Fixer Ltd has been operating for more than 10 years, and is approaching a quarter of a million rescued motorists

Our network has grown from one van in 2014 to fully equipped fleet covering England, Scotland, Wales and Ireland. Continental operations include Belgium and Germany.

šŸŸ  Environment Agency accredited

Ā šŸŸ  APEX, Safety Passport, CARS, EcoStar Approved

Ā šŸŸ  Fully insured

šŸŸ  The country's leading experts in wrong fuel rescue

šŸŸ  Fully equipped mobile units covering all of Britain and Ireland

Your call will be answered by knowledgable staff in our Sussex headquarters. They can give up-to-the minute arrival details for our technician, and follow-up aftercare.

Wrong fuel facts:

Insurers say 24% of men have misfueled at least once, but only 17% of women

Petrol and diesel both come from crude oil - they go back together very rapidly if mixed in your tank

Our own tests show that petrol starts to visibly degrade fuel lines and seals in diesel engines within just a few hours

Safety features in modern car designs make it hard to remove all fuel in the tank. FuelFixer pioneered the technology to accomplish this without needing garage work.

Our friends at the AA say 150,000 UK motorists misfuel every year

Want to know more? See our list of common questions below.

For example, "Have I damaged my engine?", "What exactly does petrol do to a diesel engine?", or "Will this affect my warranty?" See the answers below, or call us on 0333 366 1243