London Colney, Hertfordshire · 24/7
Wrong fuel London Colney
Misfuelled in London Colney? Keep the ignition off — we'll come to you. Mr Fuel drains and flushes petrol-in-diesel and diesel-in-petrol misfuels on forecourts, driveways and car parks across London Colney and Hertfordshire, 24 hours a day, from a fixed £199.
Don't know exactly where you are?
One tap pinpoints you and finds your nearest technician. Your location stays on your phone unless you choose to send it.
Do this now
- 1Don't start the engineDon't turn the ignition on either. Keyless? Keep the fob away from the car.
- 2Neutral and push clearAsk staff to help push the car away from the pump.
- 3Tell the cashierThey deal with misfuels every week.
- 4Call Mr FuelFixed price and arrival time on the phone.
On a motorway? Get behind the barrier first. In danger, call 999.
- 24/7, 365 daysNights, weekends, bank holidays — no surcharge
- Fixed from £199Price agreed on the phone, before we set off
- No fix, no feeIf we can't get you going, you don't pay for the drain
- Legal disposalWaste fuel removed by a licensed carrier
Mobile fuel drain in London Colney
We cover every postcode district in London Colney — AL2 — and the surrounding Hertfordshire villages. Wherever you are when you realise, our technicians bring the drain to you: the supermarket forecourt, the retail park, your street or your workplace car park.
London Colney is right by the M25 (London Orbital) and the M1 about 3 miles away. Motorway fuel stops are where most misfuels happen — tired drivers, unfamiliar cars, pumps in a different order from your usual station.
Nearby service areas we regularly attend: South Mimms (M25 J23, 4 miles); London Gateway (M1 J2–4, 7 miles); Beaconsfield (M40 J2, 17 miles). If you've misfuelled there, stay on the forecourt or move into the car park — don't drive.
Our London Colney technicians also cover St Albans, Radlett, Hatfield, Garston, Borehamwood and the roads between.
Petrol in diesel in London Colney
The most common misfuel we see in London Colney. Petrol strips the lubrication a diesel's high-pressure pump relies on, so the golden rule is simple: leave the engine off. Our technician drains the tank, flushes the system, adds 10 litres of fresh diesel and tests the car before leaving. More about petrol in diesel.
Diesel in petrol in London Colney
Rarer, because the diesel nozzle is wider, but it happens — especially with vans and older cars. Diesel won't burn in a petrol engine and will foul the plugs. Same fix: engine off, call us, drained and refuelled at the roadside. More about diesel in petrol.
How it works in London Colney
Call, we come to you, you drive away
Oops — wrong nozzleIt happens to around 150,000 UK drivers a year. Stop. Don't start the engine.
Local questions
Wrong fuel in London Colney: FAQs
How quickly can you reach me in London Colney?+
Our target is to reach most drivers in London Colney within 45 to 60 minutes, day or night. We give you a real arrival time when you call and keep you updated by text.
How much is a wrong fuel drain in London Colney?+
A fixed £199 if the engine hasn't been started, or £249 if it has — including the drain, flush, 10 litres of fresh fuel and legal disposal. No call-out fee and no night or weekend surcharge in London Colney.
I've put petrol in my diesel at a London Colney petrol station. What should I do?+
Don't start the engine or turn the ignition on. Put the car in neutral and push it clear of the pump with help from staff, tell the cashier, then call us on 0800 000 0000. We'll drain it on the forecourt or in a nearby car park.
Do you cover AL2 and the rest of Hertfordshire?+
Yes — every London Colney postcode (AL2) and the whole of Hertfordshire.
Can you come to South Mimms services?+
Yes. South Mimms on the M25 is about 4 miles from London Colney. Stay on the forecourt or push the car into the car park — don't rejoin the motorway.
Wrong fuel in London Colney? Keep the engine off.
Call now for a fixed price and a real arrival time. 24 hours a day, 7 days a week, 365 days a year.