Wrong fuel in your car?
Scottish-owned, and we employ Scottish engineers and executives — we come to you anywhere in Scotland and drain it, fast.
Talk to our team of the kingdom’s finest misfuel experts
Tell us the car and what’s happened — we’ll talk you through it, give you a price and get a mobile unit to you fast. A free, no-obligation quote and consultation, even if you don’t book.
Call Now01342 775316- No call-out surprises, no tow & no garage bills
- VAT invoice & engine report provided
Put the wrong fuel in? Here’s what to do
Petrol and diesel engines are very different, and neither will run on the wrong fuel. Left in, the wrong fuel can cause serious engine damage. The single most important thing is to not run the engine, because the harm happens once it’s circulating. It’s not a sensible DIY job — our Scottish mobile units come to you and drain it fast, usually getting you back on the road within the hour. No towing. No garage. No recovery bills.
What should you do if you’ve put the wrong fuel in?
1. Don’t start the car (or pull over and switch off as soon as it’s safe). 2. Put your hazard lights on and keep everyone safe. 3. Call Fuel Fixer Scotland on 01342 775316. A mobile unit reaches you in about 46 minutes and drains it on the spot — roadside, forecourt or at home, anywhere in Scotland.
What’s worse — petrol in a diesel, or diesel in a petrol?
Both are bad news. Petrol in a diesel is the more serious: petrol strips the lubrication a diesel system relies on, so it usually stalls or runs rough. Diesel in a petrol won’t burn properly, so the car loses power and runs flat. Either way the cost of draining it is tiny next to the damage of leaving it in — so don’t drive, and call us.
What we fix
Any misfuel, any contaminated tank, anywhere in Scotland — roadside, forecourt, home or yard. One number for all of it.
Petrol in diesel
The classic misfuel. Petrol strips the lubrication a diesel relies on, so it stalls or runs rough. Don’t start it — we drain and flush the system, reset and restart, and hand you fresh fuel so you can drive on.
Diesel in petrol
Diesel won’t burn in a petrol engine, so the car loses power and runs flat. We remove it on the spot, flush the lines and filters, and get you moving again.
Contaminated fuel
Water, debris, a bad batch or degraded fuel cause much the same trouble as a misfuel. We fully drain the tank, lines and engine and refill with clean fuel.
Fuel draining
A full fuel-system drain for cars, vans, HGVs, boats, plant and standing vehicles — with licensed, environmentally compliant disposal of everything we remove.
Mobile unit available in your area now
Avg. arrival time 46 mins, coverage right across Scotland — Glasgow, Edinburgh, Aberdeen, Dundee, Inverness, Perth, Stirling and everywhere between. We fix it while you wait – roadside, forecourt or home.
Common wrong-fuel symptoms
- Car refuses to start after refuelling, or once it’s cooled down
- Loss of engine power after refuelling
- Engine runs poorly or misfires after filling up
- Fuel-pump failure, blocked fuel lines or “vapour lock”
- White smoke in the exhaust after filling up
- Dashboard warning light after filling up
What the wrong fuel does to your engine
Petrol washes away the oiliness a diesel system needs for lubrication, leaving pumps, pistons and cylinders open to rapid wear. Diesel in a petrol engine won’t combust cleanly. Either way it blocks filters and strips lubrication — but if you act quickly, it’ll be fine. We fix it on the spot so you can drive on.
We bring specialist equipment to remove the fuel safely, flushing the lines, filters, pumps and engine. The picture below compares clean diesel with contaminated mixed fuel pulled from a car just 24 hours after misfuelling – that’s why it should be removed fast.
How we fix it
Our Scottish technicians bring specialist equipment to remove the wrong fuel safely – flushing your tank, fuel lines, filters, pumps and engine. The drain, then reset and restart, takes about 30 minutes. Then you’re good to go.
We carry equipment for all makes and models, and we’ll supply you clean fuel at regular pump prices so you can drive on immediately. If any follow-up work is needed our technician will advise you — but that’s rare.
- Fully equipped units & trained Scottish technicians
- 4.8★ on Google · ISO 9001 & 14001 certified
From your call to back on the road
- 10 minYou talk to our teamTell us the car and what’s happened. Our team of the kingdom’s finest misfuel experts talk you through it, give you a free quote, then dispatch the nearest mobile unit.
- 2~46 minA mobile unit reaches youRoadside, on a forecourt or at home — our average response time across Scotland is just 46 minutes. No towing.
- 3~30 minWe drain, flush & resetWe safely remove the wrong fuel and flush the lines, filters and pumps, then reset and restart your car.
- 4Drive awayFresh fuel in — you’re goneWe add fresh fuel so you can drive on, hand you a VAT invoice and engine report, and you’re back on your journey.
Scottish-owned, with Scottish engineers and executives
We’re not a call centre that sends a stranger. Fuel Fixer in Scotland is Scottish-owned, and we employ Scottish engineers and executives, built to look after Scottish drivers — from the Borders to the Highlands.
Scottish-owned
A genuinely Scottish business — local owners who answer to Scottish drivers, not a faceless franchise.
Scottish engineers & executives
We employ Scottish engineers and executives — trained people based in Scotland, in fully equipped units, who know the roads and the weather you’re stuck in.
All of Scotland
Mobile units across the central belt and beyond — Glasgow, Edinburgh, Aberdeen, Dundee, Inverness, Perth and further afield.
We don’t just drain it — we dispose of it properly
The fuel we remove is never dumped. A licence is required to transport and store it, so it’s held securely and safely, then re-refined and returned to the fuel supply chain. It’s the responsible, fully compliant way to handle removed fuel — reflected in our ISO 9001 & 14001 certification — and it’s built into every callout at no surprise cost to you.
That same fleet is what lets us reach you in about 46 minutes wherever you are in Scotland.
Put the wrong fuel in and driven it?
Your car might go a short distance on the right fuel left in the lines — but as the wrong fuel works through the system it starts to do damage. There’s really no safe amount of wrong fuel; it needs to be fully removed.
Even if the car has been driven and now refuses to start, or you see white smoke in the exhaust, we deal with any problem caused by misfuelling short of major engine failure. If you’re not sure, call our hotline for sensible, no-pressure advice and we’ll come to you.
- Trusted by insurers, fleet managers & hire companies
- Detailed VAT invoice & engine report — useful for claims
Why choose Fuel Fixer?
Fuel Fixer started with one van and is now the biggest specialist in its field, with mobile units across Britain and Ireland. In Scotland that scale is local: Scottish-owned, and we employ Scottish engineers and executives, and it’s all we do. We lead the field in service and technical expertise.
Our policies on safety, environmental protection, fair dealing and staff care are taken seriously — as reflected in our ISO 9001 & 14001 certification. If you experience any problem after we finish, you’ll have our hotline for further advice and help.
- Open 7 days · 24-hour emergency lines
- Full after-service support & free advice hotline
- Detailed reports and VAT invoices provided
What’s included with every callout
- Full fuel-system drain — tank, lines, filters, pumps & engine flushed
- Reset and restart, with fresh fuel so you can drive on
- Licensed, environmentally compliant disposal of the fuel removed
- Detailed VAT invoice & engine report — useful for insurance claims
- After-service support and free advice hotline
- No call-out surprises, no towing, no garage, no recovery bills
Who we look after
We serve individual motorists and commercial operators alike — including contract work for insurers, recovery companies and main dealers.
Not sure we cover yours? Call 01342 775316 and ask — we almost certainly do.
Why not just go to a garage?
Most garages don’t keep the specialist equipment needed to fully drain a modern fuel system — so they often call us anyway. Some main dealers treat a misfuel as a windfall and replace expensive components unnecessarily; we’ve heard of repairs quoted up to £10,000 on cars that hadn’t even been started. A proper roadside drain costs a tiny fraction of that, and you drive away the same day.
Frequently asked questions
Have I damaged my car?
Provided you act quickly, you’re very unlikely to suffer any serious damage. In the great majority of cases the car is up and running again as soon as we’ve drained the fuel. It’s best if you haven’t started the car. The longer the wrong fuel remains in your tank, fuel lines and engine, the more damage it does — so get it removed as soon as you can.
I drove a couple of miles after misfuelling. Have I done damage?
Usually not, if you stopped as soon as the car ran badly. A short distance on the fuel left in the lines is often survived without harm. The risk grows the further you drive, because the wrong fuel keeps circulating through the pump, filter and high-pressure lines. Stop driving, and call us — we’ll remove it and check it over.
What’s worse: petrol in a diesel, or diesel in a petrol?
Both are bad. In the short term, petrol in a diesel usually stalls the engine or makes it run rough and rattly. Diesel in a petrol makes it lose power and run flat. Left in, petrol can corrode and de-lubricate a diesel’s high-pressure pump and injectors — but the worst cases are rare and take a fair bit of driving to reach. In every case the cost of draining the wrong fuel is tiny next to the damage of leaving it in.
What happens to the fuel you remove?
It’s never dumped. A licence is required to transport and store the fuel we remove, so it’s held securely and safely, and is ultimately re-refined and returned to the fuel supply chain. Disposal is fully compliant and included in the job.
My main dealer says it needs a garage repair costing thousands. Is that needed?
Usually not. Some dealers treat a misfuel as a windfall and replace expensive components unnecessarily — we’ve heard of cars collected from forecourts that hadn’t even been started. Most garages don’t keep the specialist draining equipment we use and find it simpler to call us. The cost of draining the fuel is tiny next to needless component replacement.
Why don’t I just top up with the right fuel and let it work its way out?
It’s not recommended. The engine tends to run poorly, you may trigger dashboard lights that need clearing, and it may not restart when cold. You risk corroding hoses and seals and damaging fuel pumps. As the old saying goes — if you’re in a hole, stop digging. A full drain is usually the best and cheapest option.
Can’t I just syphon the wrong fuel out myself?
On cars older than about 30 years, sometimes — if you don’t mind the taste. But modern cars have anti-siphon devices and saddle-shaped tanks with internal baffles that a normal hosepipe can’t reach, so it takes specialist equipment to do the job properly. There’s also the matter of disposing of the removed fuel legally, which we handle for you.
What if my fuel is contaminated with water or something else?
The symptoms of contaminated fuel are similar to a misfuel — in fact the wrong fuel is just one type of contamination. The cure is the same: fully drain the tank, fuel lines and engine, do any reset needed, and fill up with clean fuel. We deal with all of these every day.
Do I need a new fuel filter?
Usually no. Fuel doesn’t “sit” or condense in a fuel filter — during a drain the filter is flushed by pumping clean fuel through it to purge it. A replacement filter costs only a few pounds and takes minutes, so be wary of inflated bills for it.
Other services
Rated 4.8★ on Google, and trusted on Reviews.io
Scottish-owned, with coverage right across Scotland, licensed disposal and an average arrival time of just 46 minutes. Trusted by insurers, fleet managers and hire companies — and by a quarter of a million drivers since 2009.
Wrong fuel in your car? We’ll drain it and get you moving.
Call Now01342 775316If a misfuel’s happened, call us.
If you care about your car, talk to our team of the kingdom’s finest misfuel experts — Scottish-owned, and we employ Scottish engineers and executives, with you in about 46 minutes. We’ll drain it, get you fresh fuel and back on the road. Free quote & consultation, even if you don’t book.
01342 775316