Filled Wrong Fuel In A Car? Heres What To Do!

- What kind of fuel you add to your car is always predetermined
- You should never experiment with the fuel your car requires to run
- Know what to do incase you have put the wrong fuel in the engine
The automobile industry has changed quite a bit in the last few years, with electric cars being launched last year. However, the consumer market predominantly still purchases cars those run on fuel, mainly diesel and petrol. With the significant hike in oil prices, several car owners around the world are experimenting with different fuels than advised, which is a terrible idea. Even though it has become quite common in the community, this article can help you not only understand how to face the situation but also how you can better it.

Photo Credit: www.mahindrafirstchoice.com
What are the symptoms of putting the wrong fuel in your car?
Although putting the wrong fuel in your car should be avoided at all costs, it is not an uncommon sight to see. Maybe you have been given the wrong information about the vehicle or just made a mistake; understanding how to figure out the same is utterly important. Here mentioned are some symptoms of adding the wrong fuel to your car.
The engine will seize to work properly:
This is the first and most significant problem you will face. Although in most cases, the engine works properly for the first few moments, it eventually cuts out and starts showing problems. Your car might even stop running in the middle of the street.
Extra smoke from the exhaust:
Another common thing to witness is abnormal smoke from the exhaust pipes. While there are many causes for this, the most common one is using the wrong fuel for your car. This might also call cause some severe and is irreparable problems.
The engine fails to start at all:
This is another sign that you have been using the wrong fuel in your car. While as the first point mentioned, the engine will eventually stop working, in this case, it does not start at all.
If you face any of these situations with your car, you should immediately take professional assistance and seek help from a professional. It is also a better option to tow down your car to either the parking bay or repair centre since driving it might cause further problems to the engine.
What happens when you add diesel to a petrol Engine?
Usually, adding diesel to a petrol car is not as common since the detailed dispenser nozzle doesn't fit the car tank. However, if on the off chance it does happen, this is how you will know:
- The exhaust will produce excessive smoke
- The engine might misfire
- The engine might not restart
- The engine will completely shut down

Photo Credit: www.mynrma.com.au
What happens when you add petrol to a diesel engine?
When compared to the pre-mentioned scenario, this is more common as petrol can get easily confused with diesel and can have several implications on the engine. Some of them are mentioned here:
- The car slows down acceleration
- There is excessive smoke from the exhaust
- The warning light flickers
- The engine makes an abnormal sound while driving
- It might not restart
- It can completely stop the ignition
What to do in such a case?

Photo Credit: theuijunkie.com
Now that you know what happens in such scenarios, it is time you understand what you should do. If you have already misfueled your car and started the engine, it is best if you shut it off immediately and put the car in neutral. Push the vehicle near a safer spot and contact the RAC fuel petrol to help. They will help you drain the fuel and flush the entire system clean. This can save your engine in the process. In addition to that, you should also give your insurance agent a call and tell them about what happened.
On the other hand, if you have already recognized the symptoms before you have turned your engine on, taking it to a professional is the best way to go. Ensure that you do not turn the engine on in any scenario as that might cause the fuel to travel from its tank to the engine.
With this information, you can surely help your car be in better shape in case of such a mishap. All in all, contacting the RAC fuel petrol is the best decision as they know what should be done and have the right expertise and experience with such cases.
Latest News
car&bike Team | Feb 15, 2026Maruti Suzuki Brezza Facelift Spied With 6-Speed Manual GearboxLatest images of the test car’s interior suggest that it could become the first Maruti to get a 6-speed manual gearbox.1 min read
Jaiveer Mehra | Feb 15, 2026SIAM Reports PV Sales Of Almost 4.5 Lakh Units, 2W Sales Of Over 19 Lakh Units In January 2026SIAM reported that sales of passenger vehicles and two-wheelers were the best ever for the month of January.1 min read
car&bike Team | Feb 14, 2026Kawasaki Ninja, Versys Models Available With Discounts Of Up To Rs 2.50 LakhThe highest discount is being offered on the Ninja ZX-10R, followed by the Ninja 1100 SX and ZX-6R models.2 mins read
car&bike Team | Feb 14, 2026Vespa Officina 8 Launched At Rs 1.34 LakhThe Officina 8 takes inspiration from Piaggio’s historic experimental workshop in Pontedera, Italy.1 min read
Bilal Firfiray | Feb 12, 2026MG Majestor vs MG Gloster: What’s New, What’s Different?MG Majestor replaces the Gloster as MG’s new flagship SUV for 2026. Here’s a detailed comparison between the two.4 mins read
car&bike Team | Feb 12, 20262026 MG Majestor: Variants, Features, Specifications ExplainedThe Majestor will be offered in two key trim levels including Sharp and Savvy and in both two-wheel and four-wheel drive variants.2 mins read
Jafar Rizvi | Feb 15, 2026Maruti Suzuki Victoris: Long-Term Review - Report 1The Victoris is Maruti’s latest offering for the Indian market, and after spending some time with it, here are a few early impressions.1 min read
Bilal Firfiray | Feb 12, 2026BMW X3 30 xDrive M Sport Review: The Driver’s SUV ReturnsRange-toppingX3 30 xDrive M Sport brings back the fun with 255bhp and genuine enthusiast appeal. Does this performance-focused SUV stand out?5 mins read
Bilal Firfiray | Feb 11, 2026Mercedes-AMG CLE 53 Coupe Review: The Goldilocks AMG?The Mercedes-AMG CLE 53 Coupe is a concoction of hooliganistic performance and everyday usability. Here’s why this Rs 1.5 crore two-door AMG might be the perfect modern sports coupe for India.6 mins read
Girish Karkera | Feb 11, 2026Toyota Ebella EV Review: Compact And Fun-To-Drive With The Promise Of Stress-Free AftersalesNo hiding the fact that it is a clone of the Maruti Suzuki eVitara, but the first all-electric Toyota in India is reasonably well-rounded8 mins read
Bilal Firfiray | Feb 10, 2026Tata Punch EV Long Term Review: Small EV With A Big-Hearted PersonalityWith the new Punch EV Facelift just around the corner, we decided to take a look at what it excels at and what could be improved.7 mins read























































































































