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Is the Ford Mondeo diesel engine reliable?

The Ford Mondeo diesel engine is generally considered to be a reliable and durable powertrain option. While no engine is completely immune to issues, the Mondeo's diesel variants have a reputation for providing dependable performance and long service life when properly maintained.


Reliability of the Ford Mondeo Diesel Engine


The Ford Mondeo has been available with a range of diesel engine options over the years, including 1.6-liter, 1.8-liter, and 2.0-liter turbocharged units. These diesel powertrains have proven to be relatively robust and long-lasting, with many Mondeo diesel models reaching high mileages without major issues.


According to industry data and owner reviews, the key factors contributing to the Mondeo diesel's reliability include:



  • Robust Design: The Mondeo diesel engines are engineered to withstand the higher stresses and temperatures associated with diesel combustion, with reinforced components and advanced cooling systems.

  • Proven Technology: Ford has extensive experience in developing and refining diesel engine technology, allowing them to produce reliable and well-tested powertrains.

  • Proper Maintenance: Like any engine, the Mondeo diesel requires regular servicing and maintenance to ensure optimal performance and longevity. Owners who adhere to the recommended service schedule tend to experience fewer issues.


While the Mondeo diesel engines are generally reliable, it's important to note that individual experiences may vary depending on factors such as driving conditions, maintenance history, and manufacturing quality. As with any vehicle, proper care and attention can help maximize the lifespan and dependability of the Mondeo's diesel powertrain.


Potential Issues and Maintenance Considerations


While the Mondeo diesel engines are known for their reliability, there are a few potential issues that owners should be aware of:



  • Turbocharger Failure: The turbocharger is a critical component in the Mondeo diesel's performance, and premature turbo failure can occur if the engine is not properly maintained or if the turbo is subjected to excessive stress.

  • Fuel Injector Problems: Diesel fuel injectors can become clogged or wear out over time, leading to reduced engine performance and efficiency. Regular fuel system maintenance is essential.

  • Diesel Particulate Filter (DPF) Issues: The DPF is responsible for trapping soot and particulates from the diesel exhaust. Failure to properly maintain the DPF can result in blockages and increased emissions.


To help ensure the long-term reliability of the Mondeo diesel engine, it's important for owners to follow the manufacturer's recommended maintenance schedule, which typically includes regular oil changes, fuel filter replacements, and other preventive measures. Addressing any issues promptly and using high-quality replacement parts can also help extend the engine's lifespan.

What years did Ford have a bad diesel engine?


Issues with the Ford 6.7-liter Power Stroke are most pronounced in the first generation (2011-2014), but some problems have transcended generations. The injection pump could be trouble in pre-2020 engines.



What is the best diesel engine Ford ever made?


Best Ford Diesel Engines

  • 6.7L Power Stroke V8. The 6.7L Power Stroke V8 is one of the best Ford diesel engines ever produced.
  • 7.3L Power Stroke V8. Despite being an older engine, the 7.3L Power Stroke V8 still holds a special place in the hearts of many diesel enthusiasts.
  • 6.9L V8 International Harvester IDI.



Are Mondeo diesels reliable?


While many owners commended the Mondeo for its overall dependability, some reported recurring faults as the car aged.



Which Mondeo diesel engine is best?


According to the figures, the most efficient model in the Mondeo range is the 1.5 TDCi Econetic with 78.5mpg. The most popular model, the 148bhp 2.0 TDCi, achieves 67.3mpg, or 58.9mpg if equipped as an automatic or with all-wheel drive.



How much to change a timing belt on a Ford Mondeo?


How much does a timing belt replacement cost for Ford Mondeo?

Car modelFixter price range
Ford Mondeo 1.5 Titanium£299 - £469
Ford Mondeo 1.5 Titanium Econetic£341 - £536
Ford Mondeo 1.5 Titanium Edition£313 - £492
Ford Mondeo 1.5 Titanium Edition Econetic£377 - £592



Is Mondeo timing belt or chain?


Assuming this is the current shape Mondeo, and that you're talking about the 2.0 TDCi diesel engine (the 2.0-litre EcoBoost petrol engine uses a timing chain, not a belt), then the interval is at least every 200,000 kilometres or 10 years - whichever comes first.



How long will a Ford Mondeo diesel engine last?


The estimated lifespan of a Ford Mondeo is 230,000 miles, before reaching the life expectancy upper limit. Factors such as ULEZ compliance and BHP are major when looking into a vehicle's lifespan/life expectancy.



How many miles per gallon does a Ford Mondeo diesel get?


Select engine for more Real MPG information:

EngineOfficial MPG (NEDC)Official MPG (WLTP)
2.0 TDCi 15056.5–68.9 mpg56.5 mpg
2.0 TDCi 150 4WD47.1–58.9 mpg-
2.0 TDCi 150 ECOnetic68.9 mpg-
2.0 TDCi 150 Powershift52.3–61.4 mpg53.3 mpg



Which Ford diesel engine is most reliable?


The most reliable Ford diesel engines are the 7.3L Power Stroke V8 and the 6.7L Power Stroke V8. The 7.3L is most reliable in longevity, often reaching 300,000 to 500,000 miles with proper maintenance. The 6.7L is most reliable at higher towing capacity, with an upper gooseneck limit of 40,000 lb.



What are common faults with Ford Mondeo?


Ford Mondeo Common Problems and Solutions

  • Interior Light Staying On. Problem:
  • Crunching Noise From Gear Assembly. Problem:
  • No Cold Air From AC. Problem:
  • Window Rolling Down. Problem:
  • Engine Rattle. Problem:
  • Problem with fuel gauge reading. Problem:
  • Problem with fuel gauge reading. Problem:
  • Power steering faults. Problem:


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.