The Ford Fiesta has been one of the UK’s best-selling cars for decades. It’s affordable, fun to drive and cheap to run. However, when a Ford Fiesta engine fails, many owners worry that the repair will cost more than the car is worth. Fortunately, a Ford Fiesta engine replacement is often far more affordable than you might expect, especially with a reconditioned engine. At Reconditioned Ford Engine in Grays, UK, we supply, fit and rebuild Fiesta engines every week. In this guide, we cover engine replacement costs in the UK, engine codes, specifications, common faults and nationwide delivery.

Ford Fiesta Engine Codes and Model Table

The Fiesta has used many petrol and diesel engines over the years. Before you buy any Ford engine for sale, you need to know your exact engine code. The table below shows the most common UK engines.

Engine	Fiesta Generation	Years	Engine Code (Common)	Size	Power
1.25 Duratec	Mk6 / Mk7	2002–2017	FUJA / SNJB / STJA	1.25 L I4 petrol	60–82 PS
1.4 Duratec	Mk6 / Mk7	2002–2012	FXJA / SPJA	1.4 L I4 petrol	80–96 PS
1.6 Duratec Ti-VCT	Mk7	2008–2013	HXJA / HXJB	1.6 L I4 petrol	120 PS
1.0 Ti-VCT	Mk7 / Mk8	2013–2023	SFJA / XYJA	1.0 L I3 petrol	65–80 PS
1.0 EcoBoost	Mk7 / Mk8	2012–2023	M1JA / M1JE / B7JA	1.0 L I3 turbo petrol	100–140 PS
1.0 EcoBoost mHEV	Mk8	2020–2023	EcoBoost Hybrid	1.0 L I3 turbo + 48V	125–155 PS
1.6 EcoBoost (ST)	Mk7 ST	2013–2017	JTJA / JTJB	1.6 L I4 turbo petrol	182–200 PS
1.5 EcoBoost (ST)	Mk8 ST	2018–2023	YZJA	1.5 L I3 turbo petrol	200 PS
1.4 TDCi	Mk6 / Mk7	2002–2012	F6JA / KVJA	1.4 L I4 diesel	68–70 PS
1.6 TDCi	Mk6 / Mk7	2005–2013	HHJC / T3JA	1.6 L I4 diesel	90–95 PS
1.5 TDCi / EcoBlue	Mk7.5 / Mk8	2012–2020	XVJB / XUJB	1.5 L I4 diesel	75–120 PS

Engine codes can vary by year and power output. You can find yours on the engine block, in your service book or by sending us your registration.

Ford Fiesta Engine Specifications

Here are the key specifications for the two most common Fiesta engines in the UK.

1.0 EcoBoost (M1JA / M1JE)

• Layout: Inline three-cylinder, DOHC, 12 valves
• Displacement: 999 cc
• Bore x stroke: 71.9 mm x 82.0 mm
• Compression ratio: 10.0:1
• Fuel system: Direct injection
• Induction: Low-inertia turbocharger
• Camshaft drive: Wet timing belt (belt-in-oil)
• Block: Cast iron, for fast warm-up

1.25 Duratec (Sigma)

• Layout: Inline four-cylinder, DOHC, 16 valves
• Displacement: 1,242 cc
• Bore x stroke: 71.9 mm x 76.5 mm
• Compression ratio: 10.5:1
• Fuel system: Multi-point fuel injection
• Induction: Naturally aspirated
• Camshaft drive: Timing belt
• Block: Aluminium alloy

The 1.0 EcoBoost is efficient and award-winning, but it’s sensitive to cooling problems and oil quality. The 1.25 Duratec, on the other hand, is simple and very durable when serviced on time. Knowing which engine you have helps you understand repair costs and choose the right replacement.

How Much Does a Ford Fiesta Engine Replacement Cost?

Engine replacement costs in the UK for the Fiesta depend on the engine type and the option you choose. Here’s a simple guide:

Engine	Used Engine (Supply Only)	Reconditioned (Supplied and Fitted)
1.25 / 1.4 Duratec	£300 – £700	£1,400 – £2,200
1.6 Duratec Ti-VCT	£400 – £800	£1,600 – £2,400
1.0 EcoBoost	£500 – £900	£1,800 – £3,000
1.4 / 1.6 / 1.5 TDCi	£400 – £900	£1,800 – £2,800
1.6 / 1.5 EcoBoost ST	£800 – £1,500	£2,800 – £4,500

By comparison, a new engine from a Ford dealer can cost £3,500 to £6,000 or more, fitted.

Remember, a used engine price doesn’t include fitting, which usually adds £500 to £900. In addition, used engines come with only a short warranty. If one fails, you’ll pay for labour again.

A reconditioned engine, on the other hand, comes fitted and with a warranty. As a result, it’s usually the best value for money. These prices are only a guide, so we always provide a fixed, itemised quote before work begins.

What Affects Engine Replacement Costs in the UK?

Several factors affect the final price of a Ford Fiesta engine replacement.

1. Engine type. Turbocharged EcoBoost and ST engines cost more than simple Duratec units.

2. New, used or reconditioned. New engines cost the most. Used engines are cheapest but riskier. Reconditioned engines offer the best balance of price and reliability.

3. Labour time. Most Fiesta engines are fairly quick to swap. However, ST models and mild hybrid versions take longer.

4. Extra parts. A clutch, flywheel, water pump, turbo or radiator may also need replacing. For example, if the engine overheated, the radiator and hoses should be checked or renewed.

5. Cause of failure. The original cause must be fixed. Otherwise, the replacement engine could fail too.

6. The car’s value. On older Fiestas, it’s worth comparing the repair cost with the car’s value. In many cases, though, a reconditioned engine still costs much less than buying a replacement car.

In short, a detailed quote from a specialist gives you the clearest price. Our team will always give you honest advice about whether a replacement makes financial sense.

Common Ford Fiesta Engine Problems

Most Fiesta engine replacements come from a few common problems.

1.0 EcoBoost:

• Coolant hose failure: On some early models, coolant hoses could split, causing overheating. In severe cases, this cracked the cylinder head.
• Wet timing belt wear: The belt runs in oil and can break down over time. Debris can then block the oil pump pickup, which starves the engine of oil.
• Overheating damage: Even a short period of overheating can warp the head.

1.25 and 1.4 Duratec:

• Timing belt failure if the belt isn’t changed on time
• Thermostat housing leaks
• Worn piston rings on high-mileage engines, causing oil use

1.4, 1.5 and 1.6 TDCi diesel:

• Turbo failure caused by carbon in the oil feed pipe
• Injector seal leaks
• DPF and EGR blockages on later models

Warning signs include overheating, knocking, white or blue smoke, loss of power and warning lights. If you notice any of these, stop driving and book an inspection at a specialist Ford engine garage in Grays. Acting early can save the engine.

Reconditioned Engines vs Used Engines

When comparing reconditioned engines vs used engines, Fiesta owners should think about long-term value. A used engine comes from a scrapped car with an unknown history. If it’s a 1.0 EcoBoost, it may already have a worn timing belt or overheating damage. As a result, it could fail soon after fitting.

Reconditioned engines, on the other hand, are fully stripped, cleaned and inspected. We replace bearings, piston rings, seals, gaskets and the timing belt or chain. On EcoBoost engines, we also fit a new wet belt and clean the oil pump pickup. Next, we pressure-test and skim the cylinder head where needed. Finally, every engine is rebuilt to factory tolerances and tested before dispatch.

Although a used engine may look cheaper, the savings can quickly vanish if it fails. In addition, most used engines come with only a 30 to 90-day warranty. A reconditioned engine, by contrast, gives you near-new reliability and longer warranty cover. That’s why most of our customers choose to shop for reconditioned engines rather than used ones.

Engine Rebuild and Supply and Fit Services With No Upfront Charges

If your engine’s block and crankshaft are still in good condition, an engine rebuild may be the best option. A Fiesta rebuild usually costs around £1,200 to £2,500. However, if the damage is severe, a reconditioned replacement is often faster and better value. Our Ford engine works team will inspect your engine and explain both options clearly.

Our supply and fit services cover everything. First, we source or rebuild the correct engine for your car. Next, we fit it at our Ford engine garage in Grays with fresh oil, filters, coolant and new gaskets. After that, we check for faults and road-test the car before handover.

Most importantly, we offer No Upfront Charges and No Deposit Required. You only pay once the job is complete and you’re fully satisfied.

Every engine also comes with a warranty. We supply engines for the whole Ford range too, from the Focus and Transit to the Ford Ranger engine. If you’re ready to buy a reconditioned Ford Fiesta engine, contact us today for a free quote.

UK-Wide Logistics and Delivery From Grays

Reconditioned Ford Engine is based in Grays, Essex, but we serve Fiesta owners across the whole UK. Our logistics service makes engine replacement easy, wherever you are.

If your Fiesta can’t be driven, we can arrange vehicle recovery to our workshop from England, Scotland and Wales. Once the work is complete, we can return the car to your home or business. Alternatively, if you prefer to use your local garage, we can deliver the engine directly to them.

Every engine is secured to a pallet, sealed against dirt and moisture, and shipped with a trusted courier. In addition, you get tracking updates from dispatch to delivery, so you always know when it will arrive.

Our Grays location is close to the M25, A13 and Port of Tilbury. As a result, we can deliver quickly to London, Essex, Kent and the rest of the country. Next-day delivery is also available on most stock engines. Simply put, you can shop with us online or by phone, and we’ll handle the rest.

Frequently Asked Questions

1. How much does a Ford Fiesta engine replacement cost in the UK?

A reconditioned Fiesta engine supplied and fitted usually costs £1,400 to £3,000. ST models can cost up to around £4,500.

2. Is it worth replacing the engine in an old Fiesta?

In many cases, yes. A reconditioned engine often costs less than buying another car, and it gives you a reliable engine with a warranty.

3. What is the most common Ford Fiesta engine problem?

On the 1.0 EcoBoost, overheating and wet timing belt wear are the most common problems. On older Duratec engines, timing belt failure is common.

4. Do I need to pay a deposit?

No. We offer No Upfront Charges and No Deposit Required, and you only pay once the job is complete.

5. Do you deliver Ford engines across the UK?

Yes. We offer tracked nationwide delivery and vehicle recovery from our base in Grays, Essex.