Ford Focus DYB
Weaknesses, engine ratings and buying advice
The Focus III (2011–2018, chassis DYB) is one of the best-selling compacts in Germany and Poland — and a car with a significant risk profile. Key date: mid-2014 — facelift: before that JQDA/JQDB (1.6 EcoBoost) with overheating issues and T1DA (1.6 TDCi) with high-pressure pump drama. After: M8DA/M8DB (1.5 EcoBoost) and TZJA (1.5 TDCi) — much improved successors. Rule: EcoBoost or diesel → buy facelift.
Petrol: M2DA (1.0 EcoBoost, 74–92 kW) is the three-cylinder bestseller — timing belt, robust to 200,000 km with care. But: coolant loss from cylinder block cracks is the Ford-specific risk. PNDA (1.6 Ti-VCT, 63–92 kW) is the NA classic — durable but gutless on motorways. Post-FL: M8DA/M8DB (1.5 EcoBoost, 110 kW) much better. R9DA (2.0 Ti-VCT, 118–125 kW) for comfort. Performance: R9DC (2.0 EcoBoost ST, 184 kW) and legendary YVDA (2.3 EcoBoost RS, 257 kW) — head gasket is the RS topic.
Diesel: T1DA (1.6 TDCi, 70–85 kW) pre-FL: high-pressure pump failure sends metal shavings into injection system — total loss possible. Post-FL: TZJA (1.5 TDCi, 70–88 kW) and XWDA (1.5 TDCi, 88 kW) much more reliable. TYDA (2.0 TDCi, 103–136 kW) is the long-distance engine incl. ST TDCi.
The DPS6 PowerShift (dual clutch, on DPS6-2.0 and DPS6-1.0EB) is the biggest trap: dry clutch judders, clutch pads wear, mechatronics fail. US class-action settlement, no goodwill in Europe. Repair $1,500–3,500. Manual is always the safe choice.
Test-drive checklist: Cold start (1.0 EcoBoost: rattle?), PowerShift in stop-and-go (juddering?), coolant level (1.0 EcoBoost), steering play (EPAS is a known issue).
2026 market: Pre-FL 1.6 Ti-VCT from $4,500–6,500. FL 1.0 EcoBoost $6,500–11,000. ST $11,000–17,500. RS $27,500–38,500. Insider pick: Facelift 1.0 EcoBoost with manual or TZJA (1.5 TDCi) for long distance — no PowerShift risk.
350 PS
Focus RS · Benzin
350 hp, AWD, Drift Mode — but the Head Gasket...
Legendary!349 PS
2.3L EcoBoost RS Benzin
11 weaknesses
Stay Away!Generations
Engine Overview
The Ford Focus DYB is available with 14 engine variants — from 86 to 349 hp. 2 variants had engine changes — the model year is crucial.
Ford 1.5L EcoBlue 100 hp. EcoSport facelift 2017+.
- !! Injector Problems: Juddering and Knocking from 140,000 km
Faulty injectors cause severe juddering and knocking on acceleration. Problem occurs from approx. 140,000–150,000 km. Multiple injectors become leaky or faulty simultaneously. Ford has replaced all 4 injectors in individual cases without a permanent fix.
Symptoms: Heavy juddering, knocking on acceleration, engine misfires, power loss - !! Timing Chain Premature Wear from 120,000 km
The 1.5 EcoBlue XWDA in the Fiesta/Puma can suffer premature timing chain wear. Ford recommends retrofitting the reinforced 8 mm chain as a preventive measure. Regular oil changes are critical.
Symptoms: Rattling on cold start from the timing chain area, check engine light, camshaft sensor fault - !! Recall Camshaft Sprocket Material Fatigue (16B42)
Ford recalled approximately 8,400 vehicles (production October 2014 to April 2015) because the camshaft sprocket can fracture due to material fatigue and damage the engine.
+ 5 more engine weaknesses + vehicle weaknesses
Ford 1.5L Duratorq TDCi 95 hp (70 kW), 105 hp (77 kW) and 120 hp (88 kW). Focus III from facelift 2014. Also NGDA, XWDA. Modern common-rail system with good efficiency.
- !! DPF Internal Cracking from 90,000 km
The diesel particulate filter on the 1.5L TDCi (TZJA) is prone to internal cracking from uncontrolled regeneration processes. Failed filters cause poor emissions and emissions test failure. Ford released a software update; nevertheless many filters fail between 80,000–100,000 km.
Symptoms: DPF warning lamp, power reduction via limp mode, increased fuel consumption, emissions test failure - !! Recall Camshaft Sprocket Material Fatigue (16B42)
Ford recalled approximately 8,400 vehicles (production October 2014 to April 2015) because the camshaft sprocket can fracture due to material fatigue and damage the engine.
- !! EGR Cooler Crack with Coolant Ingestion from 120,000 km
The EGR cooler develops cracks under extreme thermal cycling. Coolant enters the intake tract and forms black foam in the expansion tank. In the worst case a hydraulic lock results.
Symptoms: Black or oily foam in the coolant expansion tank, coolant loss with no external leak, white exhaust smoke, tendency to overheat.
+ 5 more engine weaknesses + vehicle weaknesses
Ford 1.6L Duratorq TDCi 95 hp (70 kW), 105 hp (77 kW) and 115 hp (85 kW). Focus III and C-Max Mk2. Robust diesel — watch EGR valve and DPF.
- !! Injector Seal 'Black Death' Failure from 100,000 km
The copper sealing washers at the injector seat fail and allow soot to enter the engine oil. The soot blocks the mesh filter in the turbo oil feed. This is the primary cause of turbocharger damage on this engine. Replacing all injector seals is a known maintenance item.
Symptoms: Diesel smell inside the cabin, black deposits around injectors, smoke from the engine bay, subsequent turbocharger damage - !! Turbocharger Failure from Oil Starvation from 130,000 km
Soot from leaking injector seals blocks the fine mesh filter in the turbo oil feed (banjo bolt). Below 0.8 bar oil pressure the turbocharger fails. A complete repair includes the turbo, oil sump, oil strainer, oil filter housing and intercooler. Costs run to £1,300–£2,200.
Symptoms: Whistling from the turbo area, power loss, blue smoke clouds, oil in the intake tract - !! Leaking Injector Seals from 130,000 km
The copper washers and O-ring seals on the injectors burn through, allowing combustion gases and fuel to escape into the valve cover area. This leads to hardened oil deposits.
Symptoms: Diesel smell in the engine bay, oily soot deposit around the valve cover, rough idle, visible smoke from the crankcase ventilation system.
+ 4 more engine weaknesses + vehicle weaknesses
Ford 2.0L Duratorq TDCi 140/163 hp. Focus III. Manual and PowerShift. Also UFDB for 150 hp facelift. ST TDCi 185 hp uses separate tuning.
- !! Injector Wear and Leaks from 150,000 km
Injectors on the 2.0 TDCi family show measurable wear from around 150,000 km. Leaking copper sealing washers allow combustion gases to escape ('Black Death'). Replacing one injector soon necessitates replacing all, as wear state is similar across the set.
Symptoms: Rough running, diesel knock, black soot deposits around injectors, power loss - !! High-Pressure Pump Metal Debris and Failure from 160,000 km
At higher mileages the high-pressure pump wears internally and leaves metal swarf in the fuel filter. Swarf can damage injectors. The pump can fail suddenly on the motorway.
Symptoms: Golden metal swarf in the diesel filter housing, engine drops into limp mode or stalls under full load, difficult cold starting. - !! Premature Timing Belt Failure — Interval Too Long from 100,000 km
Ford specifies 200,000 km or 10 years as the replacement interval (automatic: 100,000 km). A belt with 15 cm of missing teeth has been documented at only 99,000 km. Belt failure destroys rocker arms and the camshaft.
Symptoms: No prior warning on belt snap — sudden engine stall on the motorway, loud banging from the engine.
+ 4 more engine weaknesses + vehicle weaknesses
Ford 2.0L Duratorq TDCi 140/163 hp. Focus III. Manual and PowerShift. Also UFDB for 150 hp facelift. ST TDCi 185 hp uses separate tuning.
- !! Injector Wear and Leaks from 150,000 km
Injectors on the 2.0 TDCi family show measurable wear from around 150,000 km. Leaking copper sealing washers allow combustion gases to escape ('Black Death'). Replacing one injector soon necessitates replacing all, as wear state is similar across the set.
Symptoms: Rough running, diesel knock, black soot deposits around injectors, power loss - !! High-Pressure Pump Metal Debris and Failure from 160,000 km
At higher mileages the high-pressure pump wears internally and leaves metal swarf in the fuel filter. Swarf can damage injectors. The pump can fail suddenly on the motorway.
Symptoms: Golden metal swarf in the diesel filter housing, engine drops into limp mode or stalls under full load, difficult cold starting. - !! Premature Timing Belt Failure — Interval Too Long from 100,000 km
Ford specifies 200,000 km or 10 years as the replacement interval (automatic: 100,000 km). A belt with 15 cm of missing teeth has been documented at only 99,000 km. Belt failure destroys rocker arms and the camshaft.
Symptoms: No prior warning on belt snap — sudden engine stall on the motorway, loud banging from the engine.
+ 4 more engine weaknesses + vehicle weaknesses
Stronger 125 hp variant of the 1.0 EcoBoost Fox block. Turbo with higher boost pressure, otherwise identical construction to M1DA. Same wet-belt issues; also switched to chain drive from mid-2018.
- !! Wet Timing Belt Dissolves in Wrong or Old Oil from 100,000 km
The oil-bath timing belt degrades with incorrect oil type or overdue change intervals. Rubber fragments block the oil strainer and endanger the oil pump and connecting-rod bearings.
Symptoms: Unusual noises from engine bay, engine warning light, in the worst case engine seizure from oil pressure loss. - !! Degas Hose at Coolant Expansion Tank Fractures from 80,000 km
The plastic fitting on the turbo coolant hose at the expansion tank becomes brittle and fractures. Rapid coolant loss can overheat the engine in minutes and cause irreparable damage.
Symptoms: Visible coolant loss, steam rising from engine bay, temperature warning. Coolant level drops rapidly. - !! Oil-Bath Timing Belt Disintegrates from 80,000 km
The 1.0L EcoBoost uses an oil-bath timing belt for the oil pump drive. With incorrect oil type or overdue oil changes the belt disintegrates and leads to engine damage. Exact oil type (Ford 5W-20) and strict adherence to change intervals are mandatory.
Symptoms: Oil pressure warning light, engine noise, in extreme cases engine failure without prior warning
+ 3 more engine weaknesses + vehicle weaknesses
1.0-liter EcoBoost three-cylinder with DPS6 PowerShift — a brilliant little engine mated to the worst transmission of its generation. The EcoBoost itself is efficient and punchy for its size. But the DPS6 destroys the experience: shudder, hesitation, TCM failure. Anyone who wants this engine should get the manual.
- !! Clutch Shudder (THE DPS6 Problem) from 50,000 km
Dry clutches glaze from heat in stop-and-go traffic. Shudder/vibration on light acceleration from stop. Some owners had 4-5 replacements before 60k miles. Ford knew before launch. $3B+ class action.
Symptoms: Shudder/vibration on light acceleration from stop, entire car shakes - !! Transmission Control Module (TCM) Failure from 60,000 km
Thermal degradation of solder joints, moisture intrusion. Vehicle stuck in gear, limp mode, no-start after heat soak. Ford CSP 14M02: one-time replacement through June 2025.
Symptoms: Stuck in one gear, limp mode, 'Transmission Fault' warning, no start after heat - !! Input Shaft Seal Leak from 40,000 km
Premature seal wear allows gear oil into dry clutch cavity — contaminated friction plates, accelerated wear.
Symptoms: Clutch shudder suddenly worsens, transmission fluid visible on housing
+ 1 more engine weaknesses + vehicle weaknesses
1.5 EcoBoost 110 kW/150 hp, C-Max II facelift (DXA 2015-2019)
- !! Hairline Cracks in Cylinder Block — Coolant Loss from 100,000 km
The 1.5 EcoBoost M8DB (S-Max MK2, Mondeo MK5) is one of the engine variants with documented hairline cracks in the cylinder block. Ford only addressed this with a revised block in 2019. Older examples are particularly affected.
Symptoms: Coolant level drops, coolant foams in expansion tank, rough cold start - !! Turbocharger Wear from Poor Oil Quality from 160,000 km
Oil dilution can cause premature turbocharger wear on the 1.5 EcoBoost M8DB. The thinned lubrication leads to increased bearing wear, especially with frequent full-load use after cold start.
Symptoms: Whistling turbo noise, blue smoke, boost pressure drop, increased oil consumption - !! Hairline Crack in Cylinder Block — Coolant Ingestion (up to 2019) from 60,000 km
Early 1.5 EcoBoost four-cylinders (up to approx. March 2019) are prone to hairline cracks in the cylinder block. Coolant enters the cylinders and causes severe engine damage. Short-block replacement required.
Symptoms: Rough cold start, white exhaust smoke, coolant loss without external leak, engine warning light.
+ 4 more engine weaknesses + vehicle weaknesses
1.5 EcoBoost 110 kW/150 hp, C-Max II facelift (DXA 2015-2019)
- !! Hairline Cracks in Cylinder Block — Coolant Loss from 100,000 km
The 1.5 EcoBoost M8DB (S-Max MK2, Mondeo MK5) is one of the engine variants with documented hairline cracks in the cylinder block. Ford only addressed this with a revised block in 2019. Older examples are particularly affected.
Symptoms: Coolant level drops, coolant foams in expansion tank, rough cold start - !! Turbocharger Wear from Poor Oil Quality from 160,000 km
Oil dilution can cause premature turbocharger wear on the 1.5 EcoBoost M8DB. The thinned lubrication leads to increased bearing wear, especially with frequent full-load use after cold start.
Symptoms: Whistling turbo noise, blue smoke, boost pressure drop, increased oil consumption - !! Hairline Crack in Cylinder Block — Coolant Ingestion (up to 2019) from 60,000 km
Early 1.5 EcoBoost four-cylinders (up to approx. March 2019) are prone to hairline cracks in the cylinder block. Coolant enters the cylinders and causes severe engine damage. Short-block replacement required.
Symptoms: Rough cold start, white exhaust smoke, coolant loss without external leak, engine warning light.
+ 6 more engine weaknesses + vehicle weaknesses
1.6L EcoBoost in the Focus DYB (MK3) with 110 and 134 kW. Four-cylinder turbo. Cooling system recall 17S09 relevant for 2010–2014 models, clutch recall 18S07 also applicable for manual gearbox.
- !! Recall 17S09: Missing Coolant Level Sensor
Recall campaign: engine can overheat without a coolant level warning, causing cylinder head cracks and fire risk from oil onto hot surfaces. Approximately 56,000 vehicles affected in Germany.
Symptoms: No warning despite low coolant; first symptom is often already severe engine damage or smoke. - !! Recall 18S07: Clutch Pressure Plate Can Fracture
Fragments from the clutch pressure plate can be ejected and strike engine components, causing smoke and fire in the engine bay. 1.0/1.5/1.6 EcoBoost models with manual gearbox are affected.
Symptoms: Smoke development, sudden power loss, in extreme cases engine bay fire. - !! Cylinder Head Crack from Unreported Overheating from 100,000 km
Without a coolant level warning the engine can overheat and the cylinder head can crack. Repair costs usually exceed the car's value at Focus DYB age.
Symptoms: White smoke from exhaust, coolant loss, engine stops.
+ 6 more engine weaknesses + vehicle weaknesses
1.6 EcoBoost SCTi 110 kW/150 hp, C-Max II (DXA 2010-2015)
- !! Cylinder Head Cracks from Overheating from 80,000 km
The 1.6 EcoBoost JQDB (Mondeo Mk4 FL, S-Max Mk1 FL) is known for cylinder head cracks caused by insufficient cooling. Ford carried out a recall for 2010–2014 models (coolant sensor).
Symptoms: Coolant loss, white smoke from exhaust, engine temperature rises suddenly - !! Turbocharger Overheating Under Full Load from 130,000 km
The turbocharger on the 1.6 EcoBoost JQDB is sensitive to full-load operation before the engine is fully warm. Bearing overheating and increased wear result with poor oil condition.
Symptoms: Whistling turbo noise, boost pressure drop, blue smoke at high revs - !! Recall: Missing Coolant Level Sensor (17S09)
Recall 17S09: C-Max DXA with 1.6 EcoBoost (Jun 2010–Dec 2014) delivered without a coolant level sensor. Insufficient coolant can cause overheating unnoticed, leading to cylinder head cracks and fire risk. Ford retrofitted the sensor and software.
Symptoms: No warning despite dropping coolant level; overheating without prior warning; in the worst case cylinder head damage or smoke from the engine bay.
+ 4 more engine weaknesses + vehicle weaknesses
Ford 1.6L Ti-VCT (Sigma) 105/125 hp. Focus III DYB and facelift. NA petrol. Also MUDA, XTDA variants for different outputs.
- !! VVT Phaser Faulty — Cold Start Rattle from 100,000 km
The 1.6 Ti-VCT has narrow oil drillings in the cylinder head (production up to 2007). The phaser oil-logs and rattles on cold start. Ford improved the design from spring 2007; older engines more frequently affected.
Symptoms: Diesel-like rattle on cold start that disappears after warm-up; power drop under hard acceleration - !! Ignition Coil Fault — Misfires from 120,000 km
The Sigma/Ti-VCT pencil coils fail at around 100,000–140,000 km. Typical at 1,500–2,500 rpm under load. Aftermarket coils (BERU) are considered more reliable than cheap own-brand units.
Symptoms: Misfires and power loss at mid-range RPM, OBD fault code P030x, rough running - !! Cam Phaser (Ti-VCT) Faulty from 80,000 km
The Ti-VCT cam phaser in the 1.6L naturally aspirated Focus DYB can seize from oil sludge deposits. A blocked oil filter in the cylinder head prevents variable adjustment. Short oil change intervals reduce the risk.
Symptoms: Check engine light P0011/P0014, slight power loss when warm, rattle on cold start
+ 3 more engine weaknesses + vehicle weaknesses
2.0L Ti-VCT/GDI (naturally aspirated/hybrid precursor) in the Focus DYB. Without a turbo, far less prone to EcoBoost-typical turbo issues, but shares the GDI carbon problem.
- !! Dual Clutch (6DCT450) Wear from 70,000 km
The Focus DYB 2.0 with Magna 6DCT450 dual-clutch gearbox shows clutch damage from around 60,000 km. Plastic spacers in the clutch basket break and damage the clutch plates. Gearbox oil must be renewed every 60,000 km; otherwise wear increases dramatically.
Symptoms: Judder on pull-away, shift acceptance issues, gearbox fault message, creep tendency - !! Hairline Crack in Engine Block — Coolant Entering Combustion Chamber from 60,000 km
Known manufacturing defect up to mid-2019: hairline cracks in the cylinder block between cylinders allow coolant to enter the combustion chamber. Ford revised the block from mid-2019 onwards.
Symptoms: Coolant loss with no external leak; rough cold start; white smoke from exhaust; milky coolant. - !! Fuel Pump Failure from 120,000 km
Even without a turbo, fuel pumps can fail at high mileages, especially when the filter has been changed infrequently.
Symptoms: Hesitation and power loss, difficult starting, P0087.
+ 3 more engine weaknesses + vehicle weaknesses
2.0-liter Ti-VCT with Getrag DPS6 dry dual-clutch transmission — one of the greatest engineering failures of the 2010s. Ford knew before launch: internal documents show a Severity 10 rating (worst possible danger classification). Clutches wear from 20,000 miles, TCM fails, vehicle rolls back at intersections. 1.9 million vehicles in the class action, AUD $10M fine in Australia, 20+ TSBs — none fixed the fundamental design flaw. The engine itself is fine. ONLY the automatic is affected. Manual versions are reliable.
- !! Clutch Shudder (THE DPS6 Problem) from 50,000 km
Dry clutches glaze from heat in stop-and-go traffic. Shudder/vibration on light acceleration from stop. Some owners had 4-5 replacements before 60k miles. Ford knew before launch. $3B+ class action.
Symptoms: Shudder/vibration on light acceleration from stop, entire car shakes - !! Transmission Control Module (TCM) Failure from 60,000 km
Thermal degradation of solder joints, moisture intrusion. Vehicle stuck in gear, limp mode, no-start after heat soak. Ford CSP 14M02: one-time replacement through June 2025.
Symptoms: Stuck in one gear, limp mode, 'Transmission Fault' warning, no start after heat - !! Input Shaft Seal Leak from 40,000 km
Premature seal wear allows gear oil into dry clutch cavity — contaminated friction plates, accelerated wear.
Symptoms: Clutch shudder suddenly worsens, transmission fluid visible on housing
+ 1 more engine weaknesses + vehicle weaknesses
2.3L EcoBoost, 350 hp, all-wheel drive with torque vectoring — technically the most capable RS of all time, but the head gasket overshadows everything. It fails between cylinders 2 and 3: coolant disappears, white exhaust smoke, poor cold starts. All RS units built before July 2017 affected — Ford replaced the head and gasket as a goodwill gesture. According to Ford, units built after July 2017 are not affected. The drift mode genuinely works: active torque distribution to the rear axle, ESP largely disabled. Not GT86 territory, but remarkable for a 1,600 kg AWD hatchback. Sound: EcoBoost-typical with pops and bangs, not as emotionally engaging as the five-cylinder of the Mk2. Oil changes every 10,000 km, coolant system monitoring is paramount. When buying: service history relating to the head gasket is essential.
- !! Recall: Wrong Mustang Head Gasket Fitted at Factory
Ford inadvertently installed Mustang EcoBoost head gaskets in early Focus RS (2015–2017). Coolant passages did not match; coolant could enter cylinders. Free warranty replacement until January 2019.
Symptoms: White exhaust smoke, coolant loss, HVAC heater failure, engine misfires, engine warning light. - !! Thermal Overload Under Track Use from 60,000 km
The open-deck design of the 2.3L EcoBoost is not engineered for sustained high load on track. Cylinder head and block are heavily stressed by the integrated turbo temperatures.
Symptoms: Overheating warning on track days, heavy coolant loss, engine damage after sustained high-load driving. - !! Head Gasket Failure — Coolant Loss from 60,000 km
The 1.5 EcoBoost (Focus, Kuga from 2014) shows a cluster of head gasket failures due to a design-inherent weakness: narrow coolant passages between cylinders increase thermal stress on the gasket.
Symptoms: Falling coolant level without visible external leak, pressure build-up in coolant reservoir, white exhaust smoke with coolant smell, temperature gauge spike
+ 8 more engine weaknesses + vehicle weaknesses
2.0L EcoBoost, 250 hp — sharper driver's car than the Golf GTI but with a cheaper interior. The Sound Symposer routes induction noise mechanically into the cabin — no speaker fakery, just a rubber hose. Sounds angry under load, exhaust bangs on full-throttle shifts. Head gasket is also an issue in the ST, though less frequently than in the RS Mk3. Watch crankcase breather and spark plug wear. Steering feedback is better than any GTI of that generation — if driving fun matters more than interior quality, buy the ST.
- !! Low-Pressure Fuel Pump (LPFP) Failure from 120,000 km
The in-tank low-pressure fuel pump is a known weak point on all 2.0 EcoBoost engines. A clogged fuel filter increases pump load until failure.
Symptoms: Hesitation and power loss under load, difficult starting, code P0087, sudden engine stall. - !! Hairline Cracks in Engine Block (Coolant Loss) from 120,000 km
Older 2.0 EcoBoost engines show hairline cracks in the open-deck block at high mileages with coolant intrusion. Issue existed until approximately 2019; revised block is more robust.
Symptoms: Coolant loss with no visible leak, rough cold start, oil-coolant mix. - !! Piston Ring Damage from LSPI / Detonation from 120,000 km
The 2.0 EcoBoost in the Focus ST is susceptible to LSPI pre-ignition at low rpm under load — particularly when overtaking in a high gear. Pre-ignition events cause piston ring land fractures and engine damage.
Symptoms: Sudden power loss, rough running as if on three cylinders, oil consumption with blue smoke, large compression differences between cylinders, fault codes P0301–P0304.
+ 5 more engine weaknesses + vehicle weaknesses
Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| PowerShift DCT dual-clutch gearbox problems The 6-speed PowerShift gearbox (DPS6) is widely considered one of the biggest weaknesses in Ford's history. Shuddering when pulling away, clutch slip, and gearbox oil leaks are typical. Repair costs up to 6,000 €. Symptoms: Shuddering when pulling away, especially from rest; shift shocks on the 1st-to-2nd gear change; burning clutch smell; sporadic power loss. from 60,000 km | High | |
| PTU transfer case overheats — AWD cut-off (RS) The PTU of the GKN all-wheel drive system has no active cooling. Above 150°C the system switches to FWD. TSB 5461 for oil leaks 2016–2017. An aftermarket cooling kit is strongly recommended for track use. Symptoms: AWD warning light, sudden loss of rear grip on the track, vehicle behaves like FWD | High | |
| RDU damage from missed oil change (RS) The GKN torque-vectoring rear differential (RDU) of the Focus RS Mk3 requires fresh specialist oil every 48,000 km. Neglecting this causes the clutch plate packs to overheat and the gears to wear prematurely. Symptoms: Howling or whistling from the rear axle, vibrations in corners, AWD warning light, rear axle defaults to FWD mode. from 60,000 km | High | |
| Powershift dual clutch: oil loss and clutch slip The 6-speed Powershift dual-clutch gearbox (6DCT450) loses oil at the input shaft and exhibits clutch slip. Without regular oil changes every 60,000 km, costly damage is likely. Symptoms: Juddering when pulling away and shifting, delayed gear changes, oil drips under the vehicle. from 80,000 km | High | |
| Getrag gearbox — 2nd/3rd gear synchromesh worn The Getrag six-speed shows synchromesh wear in 2nd and 3rd gear at higher mileages. A gearbox oil change with specialist fluid can delay early failure. Repair 1,500–3,000 EUR. Symptoms: Crunching when engaging 2nd or 3rd gear, especially with a cold gearbox, gear will not slot in cleanly from 100,000 km | High | |
| Clutch worn through launch control and drift mode (RS) Launch control and drift mode put enormous strain on the clutch. Replacement including labour over 1,000 EUR. Clutch test: 5th gear, 50 km/h, full throttle — if revs rise without vehicle accelerating, the clutch is worn. Symptoms: Clutch slip in high gear at full throttle, burning smell, long pedal travel or changed bite point from 60,000 km | High |
Test Reports
TÜV Report 2026
Coil springs, shock absorbers and lighting cause problems. Emissions test is failed at above-average rates.
2025-11ADAC Breakdown Statistics 2025
The Focus III sits at the class average for breakdowns; older examples show higher breakdown frequency.
2025-04Top Reported Issues
Alternatives
Explore more
Known Problems and Issues +
A total of 153 weaknesses have been documented for the Ford Focus DYB (2011–2018) — 132 engine-related and 21 vehicle-related. 14 problem engines: F9DA (1.8L TDCi), G8DA (1.6L TDCi), HHDA (1.6L TDCi), M2DA (1.0L EcoBoost), JQDA (1.6L EcoBoost), R9DA (2.0L Ti-VCT), YVDA (2.3L EcoBoost RS), T1DA (1.6L TDCi), TZJA (1.5L TDCi), JQDB (1.6L EcoBoost), M8DB (1.5L EcoBoost), DPS6-2.0 (2.0L Ti-VCT + PowerShift DCT), DPS6-1.0EB (1.0L EcoBoost + PowerShift DCT), M8DA (1.5L EcoBoost). Typical issues affect Gearbox, Suspension, Electronics, Body.
Focus (F9DA, 2005–2015) — Stay Away!: Injector seal: "Black Death" failure, Turbocharger failure, High-pressure pump failure. Power: 101 PS.
Focus (HHDA, 2005–2012) — Stay Away!: Injector Seal 'Black Death' Failure, Turbocharger Failure from Oil Starvation, Leaking Injector Seals. Power: 105–116 PS.
Focus (G6DA, 2005–2012) — Be Careful: Injector Wear and Leaks, High-Pressure Fuel Pump Metal Debris and Failure, Timing Belt Premature Failure — Interval Too Long. Power: 133–140 PS.
Focus (G8DA, 2006–2012) — Stay Away!: Injector Seal 'Black Death' Failure, Turbocharger Failure from Oil Starvation, Leaking Injector Seals. Power: 95–105 PS.
Focus (T1DA, 2011–2014) — Stay Away!: Injector Seal 'Black Death' Failure, Turbocharger Failure from Oil Starvation, Leaking Injector Seals. Power: 90–101 PS.
Focus (T1DA, 2011–2014) — Stay Away!: Injector Seal 'Black Death' Failure, Turbocharger Failure from Oil Starvation, Leaking Injector Seals. Power: 101–109 PS.
Focus (T1DA, 2011–2014) — Stay Away!: Injector Seal 'Black Death' Failure, Turbocharger Failure from Oil Starvation, Leaking Injector Seals. Power: 109–116 PS.
Focus (TYDA, 2011–2014) — Be Careful: Injector Wear and Leaks, High-Pressure Pump Metal Debris and Failure, Premature Timing Belt Failure — Interval Too Long. Power: 136–140 PS.
Focus (TYDA, 2011–2014) — Be Careful: Injector Wear and Leaks, High-Pressure Pump Metal Debris and Failure, Premature Timing Belt Failure — Interval Too Long. Power: 163 PS.
Focus (TZJA, 2012–2018) — Stay Away!: DPF Internal Cracking, Recall Camshaft Sprocket Material Fatigue (16B42), EGR Cooler Crack with Coolant Ingestion. Power: 105 PS.
Focus (TZJA, 2014–2018) — Stay Away!: DPF Internal Cracking, Recall Camshaft Sprocket Material Fatigue (16B42), EGR Cooler Crack with Coolant Ingestion. Power: 95 PS.
Focus (TZJA, 2014–2018) — Stay Away!: DPF Internal Cracking, Recall Camshaft Sprocket Material Fatigue (16B42), EGR Cooler Crack with Coolant Ingestion. Power: 120 PS.
Focus (TYDA, 2014–2018) — Be Careful: Injector Wear and Leaks, High-Pressure Pump Metal Debris and Failure, Premature Timing Belt Failure — Interval Too Long. Power: 150–151 PS.
Focus (TYDA, 2014–2018) — Be Careful: Injector Wear and Leaks, High-Pressure Pump Metal Debris and Failure, Premature Timing Belt Failure — Interval Too Long. Power: 185 PS.
Focus (XWDA, 2014–2018) — Be Careful: Injector Problems: Juddering and Knocking, Timing Chain Premature Wear, Recall Camshaft Sprocket Material Fatigue (16B42). Power: 120 PS.
Focus (M2DA, 2011–2014) — Stay Away!: Wet Timing Belt Dissolves in Wrong or Old Oil, Degas Hose at Coolant Expansion Tank Fractures, Oil-Bath Timing Belt Disintegrates. Power: 101 PS.
Focus (M2DA, 2011–2014) — Stay Away!: Wet Timing Belt Dissolves in Wrong or Old Oil, Degas Hose at Coolant Expansion Tank Fractures, Oil-Bath Timing Belt Disintegrates. Power: 125 PS.
Focus (PNDA, 2011–2014) — Be Careful: VVT Phaser Faulty — Cold Start Rattle, Ignition Coil Fault — Misfires, Cam Phaser (Ti-VCT) Faulty. Power: 86 PS.
Focus (PNDA, 2011–2014) — Be Careful: VVT Phaser Faulty — Cold Start Rattle, Ignition Coil Fault — Misfires, Cam Phaser (Ti-VCT) Faulty. Power: 101–105 PS.
Focus (PNDA, 2011–2014) — Be Careful: VVT Phaser Faulty — Cold Start Rattle, Ignition Coil Fault — Misfires, Cam Phaser (Ti-VCT) Faulty. Power: 120–125 PS.
Focus (JQDA, 2011–2014) — Stay Away!: Recall 17S09: Missing Coolant Level Sensor, Recall 18S07: Clutch Pressure Plate Can Fracture, Cylinder Head Crack from Unreported Overheating. Power: 150 PS.
Focus (JQDA, 2011–2014) — Stay Away!: Recall 17S09: Missing Coolant Level Sensor, Recall 18S07: Clutch Pressure Plate Can Fracture, Cylinder Head Crack from Unreported Overheating. Power: 182 PS.
Focus (R9DA, 2011–2018) — Stay Away!: Dual Clutch (6DCT450) Wear, Hairline Crack in Engine Block — Coolant Entering Combustion Chamber, Fuel Pump Failure. Power: 170 PS.
Focus (R9DA, 2011–2014) — Stay Away!: Dual Clutch (6DCT450) Wear, Hairline Crack in Engine Block — Coolant Entering Combustion Chamber, Fuel Pump Failure. Power: 160 PS.
Focus (JQDB, 2011–2014) — Stay Away!: Cylinder Head Cracks from Overheating, Turbocharger Overheating Under Full Load, Recall: Missing Coolant Level Sensor (17S09). Power: 150 PS.
Focus (R9DC, 2012–2014) — Be Careful: Low-Pressure Fuel Pump (LPFP) Failure, Hairline Cracks in Engine Block (Coolant Loss), Piston Ring Damage from LSPI / Detonation. Power: 250 PS.
Focus (DPS6-2.0, 2012–2018) — Stay Away!: Clutch Shudder (THE DPS6 Problem), Transmission Control Module (TCM) Failure, Input Shaft Seal Leak. Power: 160 PS.
Focus (M8DB, 2014–2018) — Stay Away!: Hairline Cracks in Cylinder Block — Coolant Loss, Turbocharger Wear from Poor Oil Quality, Hairline Crack in Cylinder Block — Coolant Ingestion (up to 2019). Power: 150 PS.
Focus (M8DA, 2014–2018) — Stay Away!: Hairline Cracks in Cylinder Block — Coolant Loss, Turbocharger Wear from Poor Oil Quality, Hairline Crack in Cylinder Block — Coolant Ingestion (up to 2019). Power: 150 PS.
Focus (DPS6-1.0EB, 2015–2018) — Stay Away!: Clutch Shudder (THE DPS6 Problem), Transmission Control Module (TCM) Failure, Input Shaft Seal Leak. Power: 125 PS.
Focus (YVDA, 2016–2018) — Stay Away!: Recall: Wrong Mustang Head Gasket Fitted at Factory, Thermal Overload Under Track Use, Head Gasket Failure — Coolant Loss. Power: 349 PS.
What to watch out for with the Ford Focus? See the detailed listing of all engine and vehicle weaknesses in the sections above.
Frequently Asked Questions
What problems and weaknesses does the Ford Focus DYB have? +
What should I look for when buying a used Ford Focus DYB? +
Which engine is recommended? +
Which Ford Focus DYB engine is the most fun? +
Is the Ford Focus DYB worth buying used? +
What horsepower variants are available for the Ford Focus DYB? +
Last updated: February 2026 · All information without guarantee