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The wrong fuel in your car

wrong_fuel_mainWhat happens if you put the wrong fuel into your car? It’s easier then you think in fact some  10% of Irish Motorists accidentally make the mistake of putting the wrong fuel into their cars writes Geraldine Herbert

The damage you do to your car essentially depends on the type of engine you have and how much of the wrong fuel you have put in

Petrol in a diesel engine?
Diesel is not only a fuel, but it also acts as lubrication oil that keeps the fuel pump and other components running smoothly. Unfortunately Petrol has the opposite effect  as it acts as a solvent when mixed with diesel, therefore when you add petrol to a diesel engine the result is friction between parts and is likely to result in substantial damage to the pump and fuel lines.

Diesel in a petrol engine?
Diesel pump nozzles tend to be larger than most petrol ones so diesel going into a petrol engine is a much rarer occurrence. In addition because diesel needs to be compressed before it’ll ignite it is likely you will not be able to start the engine so that also limits the damage.

 

If you do put the wrong fuel into your car?

1)    Do not switch on the engine or put the key in the ignition.

2)    Leave the car where it is if you can and inform the fuel station. You will need to  call a recovery vehicle to come and assess the damage.

3)  If you have breakdown cover contact the company they should be able to drain, flush and refuel your car.

4) If you’ve already started driving when you realise you have put the wrong fuel in then stop immediately.

 

How to avoid putting the wrong fuel in your car

  • Check the pumps, especially if you’re filling up at an unfamiliar filling station
  • Pay attention to what you’re doing, especially if you’re in a hurry
  • It you car is new or a hire car ensure your know which fuel it takes

 

Geraldine Herbert

8th November, 2017

Author: Geraldine Herbert

Contributing Editor and Motoring Columnist for the Sunday Independent and editor of wheelsforwomen. Geraldine is also a regular contributor to Good Housekeeping (UK) and to RTÉ Radio One, Newstalk, TodayFM and BBC Radio. You can follow Geraldine on Twitter at @GerHerbert1

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1 Comment

  1. Been there, done that. Definitely not my greatest motoring feat.

    Jenny

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