Common problems · engines and gearboxes
DPF Problems by Car Model
A diesel particulate filter traps soot and burns it off on longer runs. A car used mostly for short journeys may never get that chance, and the filter can block. These are the diesel models where at least two independent publishers report DPF problems, and the DPF-related recalls.
- Recall · FordEmissions, DPF & AdBlue
Recall: diesel particulate filter can crack
On some diesel models the particulate filter (DPF) can crack. Ford updates the engine software to prevent it and tests the filter, replacing any that have already cracked.
Applies to: Some diesel Ford Focus Mk4, Kuga Mk3, Mondeo, S-Max, Galaxy and EcoSport (DVSA lists 2018–2022 model years)
Only some diesels — the recall covers a few thousand vehicles across these models and does not name the engine. A Ford dealer can check by VIN.
Model pages: Ford Focus, Ford Kuga
- Recall · FordEmissions, DPF & AdBlue
Recall: diesel particulate filter can crack
On some diesel models the particulate filter (DPF) can crack. Ford updates the engine software to prevent it and tests the filter, replacing any that have already cracked.
Applies to: Some diesel Ford Transit Custom and Transit Courier (DVSA lists 2015–2018 model years)
Only some diesels — the recall covers a few thousand vehicles across these models and does not name the engine. A Ford dealer can check by VIN.
Model pages: Ford Transit Custom
- Recall · MitsubishiEmissions, DPF & AdBlue
Recall: injector-learning software fault could block the DPF
A fault in the 3.2 DI-D's engine software stopped it learning how its injectors varied and aged, so it could not correct the fuelling and produced too much soot. That could block the diesel particulate filter and make the engine stall and refuse to restart. Dealers reprogrammed the ECU.
Applies to: Shogun Mk4 3.2 DI-D built September 2010 – December 2013 (2,846 vehicles)
Recalls apply to specific vehicles by VIN — a Mitsubishi service centre or the DVSA recall checker can confirm whether this car was included and whether the work has been done.
- Recall · VauxhallEmissions, DPF & AdBlue
Recall: ignoring the DPF light can overheat the exhaust (fire risk)
On diesel Antaras, the DPF warning light asks the driver to keep driving steadily until it goes out. If it is ignored, the filter and exhaust can overheat and set fire to the lower engine cover nearby. The recall removed that cover and later fitted a redesigned one. Follow the DPF light's instructions.
Applies to: Antara diesel built November 2010 to May 2015
- Reported by 2 publishersEmissions, DPF & AdBlue
Diesel particulate filter can block on short-trip use
BMW's diesels need regular longer runs at speed for the diesel particulate filter (DPF) to burn off soot. Cars used mainly for short trips can clog the DPF (or a blocked EGR valve can cause similar symptoms), giving a warning light and poor running. A low-mileage car used around town is the one to check most carefully.
Applies to: BMW 3 Series (2012–2019), 5 Series (2012–2023), 2 Series Coupé and Active Tourer (2014–2021) and X1 (2015–2022) diesels
Depends on how the car has been used, which no record shows: mostly a problem for cars driven on short urban trips.
8 sources
- Parkers — BMW 3 Series (F30) used review – known faults and common problems
- What Car? — Used BMW 2 Series Active Tourer 2014-2021 – reliability
- What Car? — Used BMW 2 Series Coupé 2014-2021 – reliability
- What Car? — Used BMW X1 2015-2022 – reliability
- Parkers — BMW X5 (2013–2018) used review – known faults
- Parkers — BMW 5 Series (F10) used review – diesel engines
- What Car? — Used BMW 5 Series Saloon 2017-2023 – reliability & common problems
- Autocar — BMW 3 Series Touring 2012-2019 reliability & common problems
Model pages: BMW 3 Series, BMW X1
- Reported by 2 publishersEmissions, DPF & AdBlue
1.3 MultiJet diesel: blocked DPF and fuel diluting the oil
The particulate filter needs regular longer runs to clean itself. On cars used for short trips it can clog, and interrupted regenerations can wash diesel into the sump, so the oil level rises. Watch for the 'oil exhausted' warning and a rising dipstick; left alone it can damage the engine. Expect an oil change and a forced regeneration, or a new filter.
Applies to: Fiat 500 and 500C with the 1.3 MultiJet diesel (2008–2015)
Short-trip use makes this much more likely; a car that regularly does motorway miles is at lower risk.
Model pages: Fiat 500
- Reported by 3 publishersEmissions, DPF & AdBlue
MultiJet diesels: DPF clogging and fuel in the oil
The diesel particulate filter is prone to clogging on cars that rarely get a long run. Caught early it can be cleared; left, it is expensive. Interrupted regenerations can wash fuel into the sump and raise the oil level, which can damage the engine.
Applies to: Jeep Renegade and Cherokee KL diesels (Compass Mk2 pending a second source)
5 sources
- What Car? — Used Jeep Renegade 2015-present review - reliability & common problems
- Car Mechanics — Buying, owning & improving the Mk1 Jeep Renegade
- What Car? — Used Jeep Compass 2017-present review - reliability & common problems
- What Car? — Used Jeep Cherokee 2014-present review - reliability & common problems
- RAC — Jeep Cherokee [KL] (2014 - 2020) used car review
- Reported by 3 publishersEmissions, DPF & AdBlue
Diesel particulate filter (DPF) clogging and repair bills
Owners of these diesels report DPF problems that can be expensive to put right. The filter needs regular longer, faster drives to clean itself; a car used mostly for short, slow trips can clog it, and interrupted cleaning cycles can dilute the engine oil with fuel. For mainly town use a petrol is the safer choice.
Applies to: Diesel Ford Fiesta Mk8, B-Max, C-Max / Grand C-Max, EcoSport, Kuga Mk2 and Mk3, Mondeo (2014–2022) and Ka Mk2
Mostly a matter of how the car is used — a diesel driven regularly on faster roads is far less likely to have trouble.
10 sources
- What Car? — Used Ford Fiesta 2017-2024 review
- What Car? — Used Ford Mondeo Hatchback 2014-2022 review
- What Car? — Used Ford Kuga 2020-present review
- What Car? — Used Ford Ecosport 2014-2023 review
- Auto Express — Used Ford C-MAX review
- Autocar — Ford Kuga 2014-2019 Reliability & Common Problems
- Parkers — Ford Kuga Mk2 (2012-2020) used review: known faults and common problems
- Parkers — Ford Mondeo Mk5 review: known faults and common problems
- Parkers — Used Ford Fiesta Mk8 (2017–2023) buying guide: known faults and common problems
- Autocar — Used Ford C-Max 2010-2019 review: common problems
Model pages: Ford Fiesta, Ford Kuga
- Reported by 3 publishersEmissions, DPF & AdBlue
1.6 i-DTEC diesel: DPF clogging on short journeys
The 1.6 diesel's particulate filter needs regular longer runs to clean itself. Cars used mostly for short urban trips can clog the DPF, bringing up a warning light and forced regenerations; some needed a new filter. EGR faults are reported alongside. A diesel suits owners who regularly drive longer distances.
Applies to: Civic Mk10 (2018–2022) and CR-V Mk4 (2013–2018) with the 1.6 i-DTEC diesel (1597cc)
Model pages: Honda Civic
- Reported by 4 publishersEmissions, DPF & AdBlue
2.0 Ingenium diesel: DPF blockage and fuel diluting the oil
The diesel particulate filter on the 2.0-litre Ingenium diesel struggles to clean itself on cars used for short trips. When a regeneration is cut short, extra fuel washes into the sump and thins the oil, which is blamed for faster timing-chain and turbo wear. Owners see DPF and engine warning lights or reduced power, and the service light can come on early. Longer runs, finishing regenerations and more frequent oil changes are the usual advice; a blocked filter needs a forced regeneration, cleaning or replacement.
Applies to: 2.0-litre Ingenium diesel (2015 on) in the Evoque, Discovery Sport, Discovery 5, Range Rover Sport, Velar, Defender, Jaguar XE, XF, E-Pace and F-Pace
Applies to the 2.0-litre diesel only, and mainly to cars used for short journeys.
7 sources
- What Car? — Used Range Rover Velar 2017-present review – reliability & common problems
- K Motors (independent Jaguar Land Rover specialist) — 2.0 Ingenium Diesel Timing Chain Failure
- Parkers — Land Rover Discovery Sport running costs and reliability
- What Car? — Used Land Rover Discovery 2017-present review – reliability & common problems
- Parkers — Used Jaguar XE Saloon (2015 - 2024) running costs and reliability
- K Motors (independent Jaguar Land Rover specialist) — Common Problems & Fixes – Jaguar E-Pace
- Auto Express — Used Jaguar E-Pace (Mk1, 2017-2024) review
Model pages: Land Rover Range Rover Evoque, Land Rover Discovery Sport, Jaguar XE
- Reported by 3 publishersEmissions, DPF & AdBlue
2.2 Skyactiv-D diesel: DPF problems and fuel diluting the oil
The diesel particulate filter cleans itself by burning off soot, and the process needs a decent run to finish. On cars that do mostly short trips it is often cut short: the filter can clog, and fuel from the process washes past the piston rings into the sump, so the oil level creeps up and the diluted oil protects the engine less well. The dipstick carries an X mark above MAX; once the level passes it the oil and filter need changing. Regular longer runs and on-time oil changes are the usual answer.
Applies to: CX-5 (2012 on), Mazda6 (2012–2023) and Mazda3 (2013–2019) with the 2.2 Skyactiv-D diesel
Only the 2.2 diesel. Cars used mostly for short, cold journeys are the ones most affected.
7 sources
- FAI Auto Parts — Technical Bulletin TB0048: Mazda 2.2 D – oil contamination (Mazda 3, 6, CX-5 2012> SHY1/4)
- Mazda Specialist Ltd (Bicester) — Mazda 2.2 Diesel Skyactiv: Common Issues Explained
- What Car? — Used Mazda CX-5 2012-2017 review – reliability & common problems
- Auto Express — Used Mazda CX-5 (Mk1, 2012-2017) review
- What Car? — Used Mazda CX-5 2017-present review – reliability & common problems (owners' view)
- What Car? — Used Mazda 6 Saloon 2013-2022 review – reliability & common problems
- Auto Express — Used Mazda 3 (Mk3, 2014-2019) review
Model pages: Mazda CX-5
- Reported by 2 publishersEmissions, DPF & AdBlue
1.5 Skyactiv-D diesel: DPF clogging on short trips
The small diesel's particulate filter needs regular longer runs to clean itself. Used mostly for short trips it can clog, and a blocked filter can lead to engine damage. Check how the previous owner used the car before buying a diesel.
Applies to: Mazda2 (2015 on) and CX-3 (2015–2020) with the 1.5 Skyactiv-D diesel
Diesel models only.
- Reported by 2 publishersEmissions, DPF & AdBlue
Macan S Diesel: particulate filter problems on short trips
Diesel Macans used mainly for short, low-speed journeys can have trouble with the diesel particulate filter (DPF), because it never gets hot enough to clean itself. Expect a DPF warning light and, if ignored, reduced power and a costly clean or replacement. A regular longer run at motorway speed helps prevent it.
Applies to: Macan S Diesel (95B, 3.0 V6 TDI), built 2014–2018
- Reported by 4 publishersEmissions, DPF & AdBlue
1.5 dCi diesel: DPF clogging on short trips
The diesel particulate filter on the 1.5 dCi is known to clog on cars that mostly do short, slow journeys, bringing up a warning light and costing a lot if the filter has to be replaced. Interrupted regenerations can also wash fuel into the oil, so the oil level slowly rises — a sign to have it checked. A regular motorway run helps; a mainly town car is better off as a petrol.
Applies to: Renault, Dacia and Nissan with the 1.5 dCi diesel (K9K) and a particulate filter, including Clio, Captur, Mégane, Scénic, Kadjar, Duster, Sandero, Logan, Micra, Note, Juke, Qashqai and Pulsar
Mostly a problem for cars used on short trips; a diesel that has done regular long runs is far less likely to have it.
6 sources
- Parkers — Used Renault Clio Hatchback (2012 - 2019) Review
- What Car? — Used Renault Megane Hatchback 2008 - 2016 review – reliability & common problems
- What Car? — Used Nissan Micra 2017-2022 review – reliability & common problems
- What Car? — Used Dacia Duster 2013-2018 review – reliability & common problems
- Auto Express — Used Nissan Micra (Mk5, 2016-date) review
- Car Mechanics — Buying and owning the Nissan Juke Mk1
Model pages: Renault Clio, Renault Captur, Dacia Sandero, Nissan Juke, Nissan Qashqai
- Reported by 2 publishersEmissions, DPF & AdBlue
2.0 dCi diesel: DPF clogging on short trips
The particulate filter on the 2.0 dCi diesel can clog on cars used mainly for short, town journeys, and a replacement is expensive. What Car? says the 2.0 suffers from it more than the 1.5. A long motorway run can sometimes clear it.
Applies to: Nissan X-Trail Mk2 (T31, to 2014) and Qashqai Mk1 (to 2011) with the 2.0 dCi diesel (M9R)
Model pages: Nissan Qashqai
- Reported by 3 publishersEmissions, DPF & AdBlue
Diesel particulate filter (DPF) blocking on short trips
The diesel particulate filter needs regular longer runs to burn off soot. Cars used mostly for short town trips can block it, bringing up a warning light, reduced power and, on some cars, a refusal to start. Interrupted cleaning cycles can also let fuel into the engine oil, so the oil level rises. Chemical cleaning may not be enough, and a new filter is expensive.
Applies to: Diesel Peugeot 208, 2008, 308 and 3008, Citroën C4 Picasso, Grand C4 Picasso, C4 Cactus and DS3, built 2012–2024
Mostly a problem for diesels used on short trips; DVLA cannot tell how a car has been driven.
9 sources
- Parkers — Peugeot 2008 Mk1 (2013-2019) used review – known faults and common problems
- Parkers — Citroen C4 Picasso Mk1 used review – common problems and known faults
- Parkers — Citroen DS3 (2010-2016) review – known faults and common problems
- What Car? — Used Peugeot 2008 2013-2019 review - reliability & common problems
- What Car? — Used Peugeot 308 2013-2021 review - reliability & common problems
- What Car? — Used Citroen C4 Cactus 2014-2021 review - reliability & common problems
- Parkers — Peugeot 3008 SUV (2016-2024) used review
- Car Mechanics — Buying and owning the Citroën C4 Cactus
- What Car? — Used Peugeot 3008 Estate 2009 - 2016 review - reliability & common problems
Model pages: Peugeot 2008
- Reported by 2 publishersEmissions, DPF & AdBlue
1.4 D-4D diesel: particulate filter clogging
The 1.4 D-4D diesel Yaris has a diesel particulate filter that can block if the car is not driven far enough to clean it, bringing on the DPF or engine warning light and a loss of power. Owners report forced regenerations at the dealer and, in some cases, new filters quoted at around £800. It suits drivers who regularly cover longer distances.
Applies to: Yaris Mk3 (2011–2020) with the 1.4 D-4D diesel (1ND-TV)
Model pages: Toyota Yaris
- Reported by 2 publishersEmissions, DPF & AdBlue
Diesel particulate filter clogs on short trips
Diesel Mokkas need regular longer runs for the particulate filter (DPF) to clean itself. Used mainly for short trips, the filter can block, and cleaning or replacing it is a significant bill. Car Mechanics reports DPF problems on the older 1.7 CDTi, some replaced by Vauxhall. For mostly short journeys, a petrol is the safer choice.
Applies to: Mokka and Mokka X diesels (2012–2019), especially the 1.7 CDTi
Model pages: Vauxhall Mokka
- Reported by 3 publishersEmissions, DPF & AdBlue
TDI diesels: blocked DPF and EGR valve on short-trip cars
Diesel versions driven mostly on short trips often don't get hot enough for long enough to burn the soot out of the diesel particulate filter (DPF), and the EGR valve can stick with carbon too. Owners see a DPF warning light, reduced power or limp mode. A long fast drive can clear a filter that isn't too far gone and specialists can clean one; otherwise it needs a new DPF, because a car without a working filter fails its MOT.
Applies to: VW Polo and Audi A1 diesels (1.2, 1.4, 1.6 and 2.0 TDI) built 2012–2021
13 sources
- Parkers — Volkswgen Polo Mk5 (2009-2017) used review and buying guide
- Autocar — Seat Ibiza 2008-2017 Reliability & Common Problems
- Haynes — VW Golf Mk7.5 (2017–2021): Common Faults, the GTI Quirks, and the Jobs You Can Do Yourself
- Parkers — Audi A3 (2012 - 2020) used review and buying guide
- Parkers — Audi A1 Sportback (2012-2018) review and buying guide
- Autocar — Audi A1 2010-2018 Reliability & Common Problems
- Parkers — Skoda Octavia Estate (2013-2020) used review and buying guide
- Parkers — Skoda Yeti (2009 - 2017) used car buying guide
- What Car? — Used Volkswagen T-Roc 2018-2026 review - reliability & common problems
- Haynes — Skoda Octavia Mk3 DIY Repair Guide: Common Problems, Costs and Fixes – Haynes Manuals United Kingdom
- Auto Express — Used Volkswagen Polo (Mk5, 2009-2017) - problems and recalls
- What Car? — Used Volkswagen Golf 2009 - 2013 review - reliability & common problems
- Haynes — Mastering the Maintenance of Your Audi A3 (2012–2020) – Haynes Manuals United Kingdom
Model pages: Volkswagen Polo, Audi A1
These describe the model, not one car. Plenty of cars never have the problems their model is known for, and a recall may already have been done on yours. Every problem links to its sources; a reported problem needs two independent publishers before we list it.
Recalls are listed by DVSA for the model around its build date — check a specific car by VIN at GOV.UK. Contains public sector information licensed under the Open Government Licence v3.0.
Common questions
What are the common Diesel particulate filters (DPF) problems?
Recall: diesel particulate filter can crack; Recall: diesel particulate filter can crack; Recall: injector-learning software fault could block the DPF; Recall: ignoring the DPF light can overheat the exhaust (fire risk); Diesel particulate filter can block on short-trip use; 1.3 MultiJet diesel: blocked DPF and fuel diluting the oil. Each is listed above with the models it applies to and its sources.
Does my car have one of these problems?
Not necessarily — these describe the engine or gearbox, and many cars never have them. Enter your registration in the common problems checker to see what applies to your exact car, and a service history check to see whether the work has been done.
More common problems
- Ford Focus problems
- Ford Kuga problems
- Ford Transit Custom problems
- BMW 3 Series problems
- BMW X1 problems
- Fiat 500 problems
- Ford Fiesta problems
- Honda Civic problems
- Land Rover Range Rover Evoque problems
- Land Rover Discovery Sport problems
- Jaguar XE problems
- Mazda CX-5 problems
- Renault Clio problems
- Renault Captur problems
- Dacia Sandero problems
- Nissan Juke problems
- Nissan Qashqai problems
- Peugeot 2008 problems
- Toyota Yaris problems
- Vauxhall Mokka problems
- Volkswagen Polo problems
- Audi A1 problems
- DSG and S tronic gearboxes problems
- Ford PowerShift gearbox problems
- Ingenium diesel engine problems
- BMW N47 diesel problems
- Ford EcoBoost and wet-belt engines problems
- PureTech petrol engine problems
- All models — common problems checker