When Fuel Goes Wrong: The Real Cost of Petrol Station Mix-Ups

A recent BBC News report revealed how motorists in Walsall were left hundreds of pounds out of pocket after a Tesco petrol station reportedly supplied the wrong fuel. One driver, who spent his last £50 filling up, discovered that diesel had been pumped into his petrol car, resulting in more than £800 in repair bills and lost wages. Another motorist, Donna Keenan, described the ordeal as “an absolute nightmare” after her car broke down just minutes from the forecourt.

Incidents like these highlight a serious problem. Fuel contamination and incorrect refuelling can have devastating consequences for everyday drivers. Whether caused by human error, poor maintenance or supply chain mistakes, motorists rely on the accuracy and quality of the fuel they buy. When something goes wrong, the financial and emotional costs can be significant.

At FindMyFuel, we believe that transparency and awareness are essential to prevent these situations. Our platform helps UK drivers compare reliable petrol and diesel prices in real time, while also empowering consumers to make informed choices about where they fill up. Knowing which stations have strong reputations for fuel quality can save both money and stress.

In the Walsall case, Tesco has since apologised and launched an investigation, stating that a storage tank had been isolated to prevent further contamination. However, for those affected, the damage was already done. Fuel contamination issues are not rare. Similar cases have appeared in the news before.

For example, The Guardian reported in 2023 that several UK motorists faced repair bills after diesel was mixed into unleaded tanks at multiple forecourts.

These errors can lead to engine damage, breakdowns and lost income, particularly for people who depend on their vehicles for work, such as delivery drivers or airport staff. According to RAC guidance, putting the wrong fuel in your car can cause serious damage if not addressed immediately, especially if the engine is started after refuelling.

For anyone who finds themselves in a similar situation, the RAC recommends avoiding starting the car, calling for roadside assistance and keeping all receipts as proof for insurance claims. However, prevention remains the best protection.

That is where FindMyFuel can make a difference. By using our platform, motorists can not only find the cheapest petrol stations nearby but also stay informed about service quality and customer experiences. In a time when every penny counts, having confidence in where you refuel is just as important as finding the best price.

The Walsall incident serves as a reminder that fuel quality and reliability matter as much as cost. With FindMyFuel, UK drivers can take control, locating trustworthy and cost effective fuel stations and avoiding the stress and expense that come with getting the wrong fuel.