Ford Fusion problems, reliability and years to avoid
If you are considering buying a used Ford Fusion, these are the common problems worth knowing about first. Our garage database tracks 5 known faults for this model, 3 of them rated high severity. Every one below is a repair bill a seller has good reason not to mention.
Free advert check
Found a Ford Fusion for sale?
Paste the advert and we read it against these 5 known faults, its MOT history and the DVLA record, and tell you what the seller has not. Free, about a minute, no card.
Works with any listing: paste the text from AutoTrader, Gumtree, eBay, Facebook Marketplace or a dealer’s own site.
Is the Ford Fusion reliable?
The Ford Fusion has 5 known faults in our database, 3 of them rated high severity. The most serious are fuel system (the 1.4 TDCi diesel suffers injector failures and injector seal leaks) and gearbox (on the 1.4 Durashift automated manual, the ASM control unit). None of them makes the car a bad buy on its own; the risk is a seller who knows and says nothing.
That is a count of the faults we hold, not a reliability score. Popular cars get written about more, and a newer generation has had less time to show its faults.
Which Ford Fusion years should you avoid?
No year is a write-off on its own. What matters is which serious faults a given year and engine can have, and whether the car in front of you has had them fixed.
Years and engines with a serious known fault
2002 to 2012, 1.4 TDCi diesel (Siemens common rail, the same engine as the Fiesta): the 1.4 TDCi diesel suffers injector failures and injector seal leaks
2002 to 2012, 1.4 petrol with Durashift automated manual gearbox: on the 1.4 Durashift automated manual, the ASM control unit
2002 to 2012, 1.6 TDCi diesel (DV6, the same engine as the Fiesta): on the 1.6 TDCi diesel, carbon can block the oil feed pipe to the turbo
Each one is set out in full below, with the symptoms, the typical mileage and a rough repair cost.
Generation 1 of 15 known faults · 4 owner reports
Ford Fusion Mk1 (2002 to 2012) problems
Fuel SystemHigh severity📝 Editorial
The 1.4 TDCi diesel suffers injector failures and injector seal leaks, and early cars had a spate of broken fuel pipes. It shows as juddering at steady speeds, loss of power or limp home mode, and a split pipe or failed seal leaks diesel in the engine bay.
Rough guide
£1000-1200
Typical symptoms
juddering or hesitation at around 40mph
loss of power or limp home mode
diesel smell around the engine or in the cabin
powertrain warning light (cog with exclamation mark)
Affected vehicles
Engines:
1.4 TDCi diesel (Siemens common rail, the same engine as the Fiesta)
Typical mileage:
Unknown miles
🔍 We have a specific pre-purchase check for this faultCheck an advert →
Transmission/ClutchHigh severity📝 Editorial
On the 1.4 Durashift automated manual, the ASM control unit and the gear actuators often give up after four or five years, leaving the car unable to select gears or move off. A replacement is expensive.
Rough guide
£1500
Typical symptoms
gearbox warning light
slow, jerky or missed gear changes
car refuses to select a gear or move off
display flashing N or a gear number
Affected vehicles
Engines:
1.4 petrol with Durashift automated manual gearbox
Typical mileage:
Unknown miles
🔍 We have a specific pre-purchase check for this faultCheck an advert →
Engine/EmissionsHigh severity📝 Editorial
On the 1.6 TDCi diesel, carbon can block the oil feed pipe to the turbo, starving its bearings and causing repeated turbo failures. A new turbo fitted without cleaning or replacing the oil feed and the sump pick-up can fail again for the same reason.
Rough guide
£Unknown
Typical symptoms
whining or siren noise from the turbo
loss of power or limp home mode
blue or grey smoke from the exhaust
engine warning light
Affected vehicles
Engines:
1.6 TDCi diesel (DV6, the same engine as the Fiesta)
Typical mileage:
Unknown miles
🔍 We have a specific pre-purchase check for this faultCheck an advert →
ElectricalMedium severity📝 Editorial
The electronic accelerator control on the 1.25 and 1.4 petrol engines is prone to failure. Diagnostics point to the throttle position sensor ratio, possibly from corrosion in a connector, and the engine drops into reduced power until the throttle body or wiring is sorted.
Rough guide
£Unknown
Typical symptoms
engine warning light
sudden loss of power or limp home mode
throttle position sensor fault codes
hesitation or poor response to the accelerator
Affected vehicles
Engines:
1.25 and 1.4 petrol
Typical mileage:
Unknown miles
🔍 We have a specific pre-purchase check for this faultCheck an advert →
Engine/EmissionsMedium severity📝 Editorial
These petrol engines need the thin 5W-30 oil Ford specifies. Thicker oil, such as 20W-50 from a cheap service, can make the valves stick, clog the oilways and starve the engine of oil, wearing the cams and in the worst case ruining the engine.
Rough guide
£Unknown
Typical symptoms
tapping or rattling from the top of the engine
burning oil or smoke
misfires or poor running
Affected vehicles
Engines:
1.25, 1.4 and 1.6 Duratec petrol (the same engine family as the Fiesta)
Typical mileage:
Unknown miles
🔍 We have a specific pre-purchase check for this faultCheck an advert →
What owners report on the Mk1
4 single reports, unconfirmed
One owner each, in their own words rewritten as a line, and not counted in our risk scoring. A fault joins the list above once a second report or an editorial source backs it.
Fuel system · March 2018A 2008 Ford Fusion diesel experienced an injector failure, though the specific engine size was not detailed in the report.
Gearbox and clutch · January 2015A 2005 Fusion 1.6 automatic developed a speed sensor fault, with transmission fluid leaking past the seal and causing CAN bus problems, poor starting, and cutting out at junctions.
Fuel system · November 2013An injector failed on a 2009 Fusion 1.4 TDCI at 47,000 miles, initially causing juddering at 40mph, with the repair costing £1,000.
Engine · August 2011The 1.6 TDCi engine experienced blockages in the oil feed pipe to the turbo, leading to repeated turbocharger failures.
Sellers rarely admit these faults outright
We track 15 specific phrases sellers use in adverts to soft-pedal these exact issues. Paste any Ford Fusion advert and we check it in seconds.
Repair costs are typical UK ranges, not quotes. Actual cost depends on condition and garage.Data last verified: September 2026
Ford Fusion buying questions
What are the most common Ford Fusion problems?
Three stand out. Fuel system: the 1.4 TDCi diesel suffers injector failures and injector seal leaks. Gearbox: on the 1.4 Durashift automated manual, the ASM control unit. Engine: on the 1.6 TDCi diesel, carbon can block the oil feed pipe to the turbo, starving its bearings. The full list above is grouped by generation, with typical mileage and a rough repair cost for each.
Which Ford Fusion years should I avoid?
No Ford Fusion year is a write-off, but the Mk1 (2002 to 2012) carries the most serious faults: fuel system, gearbox and engine. Year matters less than whether the specific car has had the known fixes, so check the history for them.
What should I check when viewing a used Ford Fusion?
Ask the seller about the fuel system, gearbox and engine faults on this page and whether they have been fixed, with invoices. On the test drive watch for juddering or hesitation at around 40mph, gearbox warning light and whining or siren noise from the turbo. Read the MOT history for repeat advisories, then paste the advert into the free check, which reads it against all 5 known faults before you travel. Check a Ford Fusion advert →
What is the real MPG of a Ford Fusion?
Owners report 48.9 mpg on average across the Ford Fusion engines with data, about 91% of the official combined figure. The gap between official and real-world economy varies a lot by engine, so the Real MPG page lists every engine and generation separately, from 319 owner submissions. Ford Fusion Real MPG by engine →
If you used to check the Honest John “Good & Bad” section before the site closed in 2026, this page is where that information now lives. We rebuilt the Ford Fusion owner-report history from the archived Honest John dataset, added our own research, specialist and owner-club sources and DVSA recall data, and we keep it free. Each fault above is badged with its source. The same data feeds our free advert check, which reads a listing against every known fault for the exact engine and year.
Knowing what a Ford Fusion goes wrong with is half of it. The rest is reading the advert and checking the car's history before you hand any money over.