How to Fix and Price Fix a Car Misfuelling and What to Do Next

Misfuelling a car happens more often than you might think. It’s an easy mistake to make—picking the wrong fuel type at the pump can happen in a hurry or when you’re distracted. But the consequences can be serious, leading to engine damage and costly repairs if not handled quickly and correctly. If you’ve accidentally put petrol in a diesel car or diesel in a petrol car, knowing the right steps to fix the problem can save you time, money, and stress.

This guide explains what to do immediately after misfuelling, how professionals fix the issue, and how to avoid it in the future. If you need expert help, calling a specialist like Misfuelled Car Fix at 0800 999 1182 can get your car back on the road safely.

How to Fix and Price Fix a Car Misfuelling and What to Do Next

Putting the wrong fuel in your car disrupts the engine’s operation. Petrol and diesel engines run differently and require specific fuel types to function properly.

• Petrol in a diesel engine: Petrol acts as a solvent and reduces the lubrication diesel provides. This can cause damage to the fuel pump and injectors.

• Diesel in a petrol engine: Diesel is thicker and harder to ignite in a petrol engine, leading to poor combustion, smoke, and potential engine stalling.

  
  

Price fix a car misfuelling. The severity depends on how much wrong fuel was added and whether the engine was started. Starting the engine after misfuelling spreads the incorrect fuel through the system, increasing damage risk.

Immediate Steps to Take After Misfuelling

If you realize you’ve misfuelled your car, act fast. Here’s what to do:

1. Do not start the engine

   Starting the engine circulates the wrong fuel, making repairs more complicated and expensive.

   
   

2. Turn off the ignition

   If the engine is running, switch it off immediately to prevent further damage.

   
   

3. Call for professional help

   Contact a specialist like Misfuelled Car Fix on 0800 999 1182. They have the tools and expertise to safely drain and clean your fuel system.

   
   

4. Do not try to drive the car

   Driving can cause the wrong fuel to reach critical engine parts, increasing repair costs.

   
   

Fuel filler with petrol nozzle inserted, showing potential misfuelling risk

Close-up of a car fuel filler showing a petrol nozzle inserted, illustrating the common mistake of misfuelling.

How Professionals Fix a Misfuelled Car

When you call a service like Misfuelled Car Fix, they follow a careful process to minimize damage and get your car running again:

Draining the Fuel Tank

The first step is to safely drain all the incorrect fuel from the tank. This prevents further contamination and damage.

• Specialists use pumps and containers designed to handle fuel safely.

• The tank is emptied completely to remove all traces of the wrong fuel.

  
  

Flushing the Fuel System

After draining, the entire fuel system is flushed to clear any remaining fuel residues.

• Fuel lines, filters, and injectors are cleaned or replaced if necessary.

• This step ensures no contamination remains that could harm the engine.

  
  

Checking and Replacing Filters

Fuel filters trap impurities and can become clogged with the wrong fuel.

• Filters are inspected and replaced to maintain fuel flow and engine health.

  
  

Refilling with Correct Fuel

Once the system is clean, the tank is refilled with the correct fuel type.

• The car is then tested to ensure it runs smoothly without issues.

  
  

Additional Repairs if Needed

If the engine was started or driven, further repairs might be necessary.

• Fuel pumps, injectors, or engine components may need servicing or replacement.

• Professionals assess the damage and advise on the best course of action.

  
  
  
  

How Much Does It Cost to Fix a Misfuelled Car?

The cost varies depending on the fuel type, how much wrong fuel was added, and whether the engine was started. Here’s a rough breakdown:

• Draining and flushing the fuel system: £100 to £300

• Replacing fuel filters: £50 to £150

• Additional repairs (fuel pump, injectors): £300 to £1,000+

• Towing fees: £50 to £150 depending on distance

  
  

Calling a specialist like Misfuelled Car Fix on 0800 999 1182 can give you a clear estimate based on your situation. Acting quickly reduces costs significantly.

How to Avoid Misfuelling in the Future

Preventing misfuelling is easier than fixing it. Here are practical tips:

• Double-check the pump before filling

Always confirm the fuel type matches your car’s requirements.

• Look for clear labels on your car’s fuel cap

Many cars have stickers or markings indicating the correct fuel.

• Use different fuel stations if confused

Some stations have distinct pump colors or shapes for petrol and diesel.

• Ask for help if unsure

Station attendants can assist if you’re uncertain about the fuel type.

• Consider fuel cap locks or covers

These prevent inserting the wrong nozzle accidentally.

What to Do If You Start Driving After Misfuelling

If you start driving after putting the wrong fuel in your car, stop as soon as it’s safe. Continuing to drive spreads the wrong fuel through the engine, increasing damage.

• Turn off the engine immediately.

• Call a professional to inspect and repair your car.

• Do not attempt to fix the problem yourself, as it requires specialized equipment.

  
  

When to Call Misfuelled Car Fix

If you suspect misfuelling, calling a professional service like Misfuelled Car Fix on 0800 999 1182 is the safest choice. They offer:

• Fast response to prevent engine damage

• Expert draining and cleaning of fuel systems

• Clear advice on repairs and costs

• Peace of mind knowing your car is in capable hands

  
  

Fixing a misfuelled car requires quick action and professional care. Avoid starting or driving the car, call a specialist, and follow their guidance. Taking these steps protects your engine and wallet.