£50 of petrol in a Toyota Land Cruiser
£50 of petrol in a toyota land cruiser: 39.7%. At £1.45 per litre, £50 buys about 34.5 litres. In a 87-litre tank that is 39.7% of tank volume, which is effectively a tank of the wrong fuel. Lubricity is governed by the contaminant, not by what remains of the correct fuel.
This figure is calculated, not surveyed: tank capacity from the manufacturer's typical specification, divided into the volume added. Capacities vary by model year and trim, so treat it as the right order of magnitude rather than a reading off a dipstick.
Figure 01 — Derived figure
£50 of petrol in a toyota land cruiser
£50 of petrol in a Toyota Land Cruiser: the calculation
| Vehicle | Toyota Land Cruiser |
|---|---|
| Typical tank capacity | 87 litres |
| Amount purchased | £50 at £1.45/litre |
| Concentration | 39.7% |
| Risk band | Severe |
Why concentration is the variable that matters
Volume on its own tells you very little. Two litres is a rounding error in a 90-litre van and an eighth of a tank on a motorcycle. What the high-pressure pump experiences is the mixture reaching it, which is a ratio, and the ratio is what decides whether lubrication holds. Measured on a reciprocating rig, commercial diesel produces a mean wear scar of roughly 200 to 460 micrometres; petrol and ethanol are markedly worse, and that difference is the entire reason a diesel pump fails on petrol.
| Figure | 39.7% |
|---|---|
| Unit | per cent of tank volume |
| Basis | Derived by calculation from a cited tank capacity |
| Reference year | 2025 |
| Source grade | operational dataset |
| Vehicle | Toyota Land Cruiser (87 litre tank) |
| Free consultation | 01295 380724 — 24 hours, no charge |
Our engine scientists, fuel-system engineers and misfuel specialists would be glad to talk your situation through with you, free of charge. That consultation is what this repository offers: there is no fee, nothing to buy, and no obligation attached to any part of it.
Tell them what went in, roughly how much, and whether the engine has run. That is enough to establish which components are exposed and what the realistic range of outcomes is — and if the answer is that you need nobody at all, they will say so.
Speak to a misfuel scientist — 01295 380724How the consultation works
Sources
https://www.einpresswire.com/
The largest published operational dataset on UK misfuelling. Self-reported by a commercial provider and drawn from its own callouts, so it describes the population that phones a specialist rather than all UK drivers. Treated here as a strong sample with a stated selection bias.
https://www.redalyc.org/articulo.oa?id=43028316005
High-frequency reciprocating rig measurements. Reports typical mean wear scar diameters for commercial diesel of roughly 200-460 micrometres, against markedly worse figures for gasoline — the quantitative basis for the lubricity argument.
https://doi.org/10.1016/j.apergo.2006.10.008
The foundational academic study of UK misfuelling. Hierarchical task analysis of the fuelling task plus interviews with 23 drivers who had misfuelled against a control group of 17. Establishes misfuelling as a predictable error pathway created by forecourt conditions rather than individual carelessness.
Related figures
This vehicle
Repository sections
Common questions
Can I drive with petrol in a diesel car?
No. Starting or driving pumps it through the system and can turn a straightforward drain into an expensive repair. Leave the vehicle where it is and call 01295 380724.
How long does the drain take?
About 45 to 90 minutes on site once the technician arrives. Vehicles that were started or driven take longer, because the lines and filter need flushing as well as the tank.
How much does it cost in the UK?
Published UK figures run from about £120 to £1,500 depending on the vehicle, how much wrong fuel is in the tank and whether the engine was started. Talking through which end of that range applies to you costs nothing — that consultation is what this repository offers.
Will it have damaged the engine?
Only if it has been run through the system. Caught before starting, it sits in the tank and a drain removes it cleanly.
Does insurance cover it?
Often not. Most car insurance policies exclude misfuelling as standard, though some breakdown policies and optional add-ons include it. Check your own wording.
Do you cover the UK?
Yes. Mobile technicians attend forecourts, roadsides, homes and workplaces across the UK, 24 hours a day.
Across the Fuel Fixer network
- International repository — the same evidence base outside the UK.
- Field operations — the operator that attends UK callouts.
- Misfuel reference — the same material indexed under misfuel terminology.
- Scotland operations — callout coverage across all 32 Scottish council areas.
- Servicing — post-contamination servicing and inspection.
Background reading: Common rail injection (Wikipedia). Service operated by Fuel Fixer, alongside Misfuel Doctor, Fuel Fixer Scotland and Motor Servicing.