What happens if you put unleaded petrol in a diesel engine
What happens if you put unleaded petrol in a diesel engine? Same job as petrol in diesel, under the word on the pump. Do not start the engine; we drain it on site. Call 01293 248666 — a mobile technician comes to the vehicle anywhere across TS1 and TS3 to TS8. Call-out £89 to £199, drain £199 to £1,999.
A local number, not a local building
The number at the top of this page is answered by the people who send technicians to Middlesbrough. That is what the word local is doing here. It is not standing in for a depot, because Wrong Fuel Middlesbrough does not have one — the van comes to TS1 and TS3 to TS8 and the work happens where you are stood. Call 01293 248666.
| Search | what happens if you put unleaded petrol in a diesel engine |
|---|---|
| What it is | Unleaded in diesel |
| Where we cover | TS1 and TS3 to TS8 |
| Cost | Call-out £89 to £199, drain £199 to £1,999, quoted in full before we travel |
| Time on site | About an hour |
| Hours | 24 hours, every day |
| Phone | 01293 248666 |
What happens if you put unleaded petrol in a diesel engine: what to do
The same failure, under the wording on the pump.
Where the damage actually occurs
Not in the tank. The tank is just where it starts. Damage happens at the high-pressure pump, which relies on the fuel itself for lubrication and has very tight tolerances, and then at the injectors downstream of it. Reaching either requires the engine to have run, which is why a car coasted to a halt on the forecourt is almost always a call-out and nothing more.
Step by step
- Ignition off and stay off No starting, no accessory position, no quick test. Contamination still sitting in the tank is the best case, and it lasts exactly until the engine turns over.
- Keep the vehicle still Even rolling it a few metres can move fuel toward the pickup. If the spot is safe, the spot is right.
- Look after people first Hazard lights on. Passengers out and clear if there is passing traffic. On a forecourt, let the staff know what has happened.
- Phone 01293 248666 Give the vehicle, the fuel that went in, an estimate of the amount, and whether it ran. The price comes back on the same call.
- Extraction on the spot The tank is drained, the lines flushed, clean fuel added and the system primed — anywhere across TS1 and TS3 to TS8.
- Paperwork and the waste An invoice for you; the contaminated fuel leaves with us as controlled waste under a transfer note.
The full page for this
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2,190 verified reviews, 4.8 average. Customers repeatedly credit swift attendance and clear explanations of what went wrong inside the engine.
Some customers object to cost, and they are entitled to. Our ranges are public — £89 to £199 call-out, £199 to £1,999 drain — and nobody sets off until you have heard yours.
Questions we get asked
What if I have already driven it?
Still call. Most vehicles driven a short distance are recoverable. Tell us how far you got, because it changes the kit we bring.
Do you cover all of TS1 and TS3 to TS8?
Yes, from one rota — so being at one edge of the area rather than the other changes the arrival window, not the price.
What if it is not safe to drain where I am?
Then we tell you that on the phone rather than after arriving. Being told honestly costs nothing; being told on arrival costs a call-out.
Do I need to stay with the vehicle?
Usually yes, so we can hand it back to you running. If you cannot stay, say so on the call and we will work out how to do it.
Who you are dealing with
Wrong Fuel Middlesbrough is a service by Forecourt Assistance. Forecourt Assistance is a trading name of Fuel Fixer Ltd, company no 08520551, a company of Fuel Fixer International. Registered at Fairway House, Portland Road, East Grinstead, RH19 4ET. Fuel Fixer International is owned by Stockbridge Capital Holdings.
Across the network
Wrong Fuel Middlesbrough is one of the sites run by Forecourt Assistance, a trading name of Fuel Fixer Ltd, part of Fuel Fixer International, owned by Stockbridge Capital Holdings. Every site below belongs to the same company.
- Forecourt Assistance — the operator: network directory and author page
- AdBlue in Fuel — AdBlue contamination drains only
- Misfuel Doctor — misfuel help, organised by fuel mix-up
- Wrong Fuel — the evidence base; home of every statistic
- Fuel Fixer Scotland — wrong fuel across Scotland, plus Ireland
- Fuel Fixer — the group operating site
- Misfuel Servicing — wrong fuel and misfuelling help, call-only
Background reading: Environment Agency.
Last updated · Reviewed by Rambo S, Wrong Fuel Expert