How far can you drive with petrol in a diesel? (Durham guide)
How far can you drive with petrol in a diesel car? It is the wrong question — damage starts on the first revolution, not when the engine finally cuts out. Call 01293 248666.

Why how far you drive is the wrong question
Some cars run for miles on petrol in a diesel tank, some stall on the forecourt. How far it goes before stopping tells you almost nothing useful. Every one of those miles is the high-pressure pump running without the lubrication it depends on, and the damage accrues from the first turn.
What stopping early buys you
A vehicle switched off at the first sign of trouble usually needs a drain, a flush and a filter. A vehicle driven until it stops may need the pump and injectors. The difference is the distance — which is why the useful advice is how soon you can stop, not how far you can go.
On the roads around Durham
Around Durham the temptation is to push on to somewhere familiar. Resist it. A technician can reach a lay-by or a forecourt as easily as your driveway, and the drive home is the expensive part.
Around Durham
Durham calls split between motorway traffic at Durham Services and Belmont, a university population that turns over every September, and the former coalfield towns where distances to a main dealer are long. A pronounced overnight share from the A1(M), a September spike from the university, and a steady weekday pattern on the A690 and A167.
That applies across the villages we cover, including Hett, Sunderland Bridge, Tudhoe, Byers Green, Willington, Stonebridge, Langley Park, Esh, Quebec, Cornsay, Lanchester and Kimblesworth.
- Do not start it — that is the whole thing Everything else on this list is detail. This one line is the difference between a call-out and a pump.
- Leave the vehicle where it stopped Pushing or coasting is still movement, and movement is how contaminated fuel finds the pickup.
- Sort out safety Hazards, and get people out of the vehicle if you are anywhere near moving traffic.
- Call 01293 248666 Answered around the clock. Tell us what went in and whether it ran; you get the full price before a technician sets off.
- The job itself Extract, flush, refill, prime, run up, check. Roughly an hour on a standard vehicle.
- Old fuel away, invoice done Controlled waste, transfer note, registered carrier. Keep the note — it is what protects you.
What actually happens inside the fuel system
Fuel leaves the tank through the lift pump, passes the filter, reaches the high-pressure pump and then the injectors. Petrol in a diesel system strips the lubrication that high-pressure pump depends on, and metal shed by the pump travels downstream into the injectors. That sequence is the whole story: cost depends on whether the engine ran, and for how long, not on how many litres went in.
Durham sits at the centre of a wide rural catchment. Once you are out towards Consett, Crook or the coast, the nearest dealer is a long way off and a mobile drain is comfortably the faster option.

The cost, honestly
There is one fixed figure and one variable. The fixed figure is the call-out; the variable is whether the engine ran, and for how long.
| Call-out | From just £89 misfuel callout fee |
|---|---|
| Engine never started | Usually the drain and flush only |
| Engine run briefly | Drain, flush, often a new fuel filter |
| Driven some distance | May need the high-pressure pump or injectors checking — a workshop job |
| When you hear the price | On the phone, before anyone travels |
Questions we get asked
Can you come to a supermarket forecourt?
Yes, and it is where a good proportion of jobs happen. Tell the cashier a drainer is on the way; they are used to it.
What about a van or a hire car?
Same job. With a hire car, ring the hire company too — some policies cover a misfuel drain and it is worth knowing before you pay.
Is there an out-of-hours surcharge?
The call-out is the call-out. Whatever the total is, you hear it on the phone before anyone travels.
How much does it cost in Durham?
From just £89 misfuel callout fee. The full price for your vehicle is confirmed on the phone before a technician sets off, so there is no surprise when we arrive.
Will it have done damage?
If the engine was never started, damage is unlikely. If it ran, the risk rises with the distance driven — which is exactly why we ask.
Rated 4.8 out of 5
From 2,190 Trustpilot reviews. Reviewers consistently pick out arrival times and the fact that technicians talk them through what happened rather than just taking the keys.
Where reviews are critical, it is almost always about price. Rather than ignore that: the call-out is From just £89 misfuel callout fee, quoted in full on the phone before travel, and we would rather lose the job on the call than argue about it on the forecourt.
More local guides
- Misfuelled a hire car in Durham? What to do first
- Diesel in a petrol car in Durham: less dramatic, still a drain
- A misfuel in Nevilles Cross: what locals should know
- Misfuelled in Newton Hall: villages, roads and what it costs
- A misfuel in Langley Moor: what locals should know
- Misfuelled in Shincliffe: villages, roads and what it costs
More on wrong fuel in Durham
For coverage by postcode district, see the postcode index; for the roads we cover, the road guides; and for every town and village by name, the area index.
Who you are dealing with
Wrong Fuel Durham is a service by Forecourt Assist. Forecourt Assist 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 Fuel Fixer network
Wrong Fuel Durham is one of the brands operated by Forecourt Assist. The full directory is on the operator site.
- Wrong Fuel Kendal — Kendal and the southern lakes
- Wrong Fuel Teesside — the Teesside conurbation
- AdBlue in Fuel — AdBlue and SCR contamination
- Wrong Fuel Kendal — Kendal and the southern lakes
- Forecourt Assist — the complete network directory
- Fuel Fixer International — the operating group
- Stockbridge Capital Holdings — group owner
Background reading: Common rail injection — Wikipedia.