Compare Ford S-Max diesel engine fault quotes from specialist garages

Ford was the first carmaker to introduce a vehicle assembly line, speeding up the process of production and bringing cars to more people than ever before. The brand's motorsport credentials are equally impressive. In the 1966 24 Hours of Le Mans race, Ford ended Ferrari's six-year winning streak, beating the likes of Porsche and Lamborghini to the title with an ever-popular GT40.

Jim Morrison, the lead singer of rock band The Doors, famously adored his 1967 Ford Shelby GT500, the only car he ever owned. It is a mystery to this day where the vehicle ended up after his death.

Find out the average price of a Ford service or MOT here, or read this guide to see how Ford's maintenance costs compare with Vauxhall and Volkswagen.

Diesel engine repair jobs are often more expensive than petrol, although diesel cars are more reliable and economical over long distances. The main difference between petrol and diesel engines is that the air is compressed before the fuel is injected in diesels, while in petrols, air and fuel are mixed first, then compressed and ignited.

The most common problems experienced by diesel engines include a clogged diesel particulate filter, stuck EGR valve, turbo failure, worn glow plugs, faulty injectors and low compression. Due to the chemicals and processes involved, some jobs, such as DPF cleaning, may require a diesel engine specialist service.

Many of the above faults have similar symptoms, so the best way to find the specific problem with your vehicle is to use diesel engine diagnostics. If you're experiencing issues with your car, we recommend finding a diesel specialist who can give you expert advice.