DPF / EGR clogging
usually 120,000–200,000 km · Medium risk
Signs: DPF light, limp mode
Fix: Clean or replace
€300–1,500
Common faults, service intervals and costs
Jeep Wrangler (JK)
2007–2018
1
engines covered
6
known faults
3,005
roadworthiness tests in the statistics
Enter your VIN and mileage and get a plan built for your exact engine and gearbox.
The Jeep Wrangler (JK) was built from 2007 to 2018.
For this generation we cover 1 engines and 6 known faults, each with the mileage range where it usually appears.
The most expensive known risk is Turbocharger: it usually appears at 180,000–260,000 km and costs €700–1,800 to fix.
In UK roadworthiness tests in 2024, at 50–100 thousand km this model most often failed on: lights, wipers and visibility (14.9 %), brakes (8.9 %), suspension (3.0 %). It fails more often than an average car of the same age and mileage on: brakes, lights, wipers and visibility, exhaust, emissions and leaks. It fails less often than average on: suspension, tyres and wheels.
Engines
| Engine | Fuel | Timing drive | Oil |
|---|---|---|---|
| Diesel engine | Diesel | Check manual | — |
Faults by engine
Diesel engine
Injectors
usually 180,000–250,000 km · Medium risk
Signs: Smoke, rough idle
Fix: Test and replace
€600–1,500
Turbocharger
usually 180,000–260,000 km · Medium risk
Signs: Whistle, smoke, loss of power
Fix: Rebuild or replace
€700–1,800
Gearboxes
Manual
Clutch wear
usually 120,000–200,000 km · Medium risk
Signs: Slipping, high bite point
Fix: Replace clutch kit
€500–900
Dual-mass flywheel
usually 150,000–220,000 km · Medium risk
Signs: Rattle at idle, vibration pulling away
Fix: Replace with clutch
€700–1,400
Automatic (Aisin 6-speed / ZF 9HP)
ZF 9HP rough shifts / software
usually 20,000–120,000 km · Wear part
Signs: Harsh or delayed shifts
Fix: Software update; fluid service
€0–400
Scheduled service
Intervals and typical prices for the Diesel engine engine. Other engines differ in oil, timing drive and some filters; the app gives the exact plan.
| Item | Interval | Typical price |
|---|---|---|
| DPF health check (soot / ash load)Emissions | every 20,000 km | €0–60 |
| Transfer case / rear differential oilTransmission | every 80,000 km | €60–160 |
| Engine oil + oil filterEngine | every 15,000 km or every 12 months | €70–150 |
| Cabin (pollen) filterClimate | every 15,000 km or every 12 months | €15–40 |
| Brake fluidBrakes | every 24 months | €50–95 |
| A/C service (regas + desiccant)Climate | every 24 months | €70–150 |
| Air filterEngine | every 30,000 km or every 24 months | €15–45 |
| Fuel filterFuel | every 30,000 km or every 24 months | €40–110 |
| Glow plugsEngine | every 100,000 km | €120–300 |
| Auxiliary (serpentine) beltEngine | every 120,000 km | €70–180 |
| Coolant replacementCooling | every 150,000 km or every 96 months | €70–150 |
| Manual gearbox oilTransmission | every 150,000 km | €60–130 |
| Front brake padsBrakes | usually at 30,000–60,000 km | €60–150 |
| Front brake discs + padsBrakes | usually at 60,000–120,000 km | €150–320 |
| Rear brake padsBrakes | usually at 50,000–90,000 km | €50–130 |
| Tyres (set of 4)Wheels | usually at 40,000–60,000 km | €320–700 |
| Wiper bladesBody | checked at service | €20–50 |
| 12V batteryElectrical | checked at service | €100–220 |
Roadworthiness tests by mileage
Share of tests in the United Kingdom (DVSA MOT, 2024) that this model failed because of each system. Bold red means more often and green less often than an average car of the same age and mileage. Sample: 3,005 tests.
| thousand km | 0–50 | 50–100 | 100–150 | 150–200 |
|---|---|---|---|---|
| Brakes | 6.0 % | 8.9 % | 13.5 % | 18.1 % |
| Suspension | 2.0 % | 3.0 % | 4.8 % | 7.4 % |
| Steering | 0.2 % | 1.1 % | 2.0 % | 3.6 % |
| Tyres and wheels | 1.1 % | 2.6 % | 2.2 % | 4.3 % |
| Lights, wipers and visibility | 12.9 % | 14.9 % | 24.4 % | 29.0 % |
| Body and corrosion | 0.2 % | 2.1 % | 3.3 % | 6.4 % |
| Exhaust, emissions and leaks | 0.9 % | 2.9 % | 3.2 % | 3.8 % |
Most common engine versions in the EU
New cars of this generation registered in the EU, Iceland and Norway 2010–2025: 34,111, of which 0 in Croatia. The share shows how common each version is.
| Version | Share | Years | CO₂ | Fuel use |
|---|---|---|---|---|
| 2.8 Diesel2.8 (2,776 cm³) · 147 kW (200 hp) · Diesel | 73.0 % | 2011–2017 | 234 g/km | — |
| 2.8 Diesel2.8 (2,776 cm³) · Diesel | 13.6 % | 2010–2017 | 234 g/km | — |
| 3.6 Petrol3.6 (3,604 cm³) · 209 kW (284 hp) · Petrol | 10.8 % | 2011–2017 | 269 g/km | — |
Source: European Environment Agency (EEA), monitoring of CO₂ emissions from new passenger cars, CC BY 4.0. CO₂ and fuel use are official type-approval values (WLTP from 2021), not real-world consumption.
Owner complaints in the US
Which systems owners reported to the US agency NHTSA and at what mileage. Complaints are not confirmed faults and some relate to recalls. Sample: 9,304 complaints.
Common questions
What are the known problems with the Jeep Wrangler (JK)?
The faults with the highest risk: turbocharger (180,000–260,000 km, €700–1,800); DPF / EGR clogging (120,000–200,000 km, €300–1,500); injectors (180,000–250,000 km, €600–1,500); dual-mass flywheel (150,000–220,000 km, €700–1,400). The full list by engine is on this page.
What does the Jeep Wrangler (JK) most often fail its roadworthiness test on?
In UK roadworthiness tests in 2024, at 50–100 thousand km this model most often failed on: lights, wipers and visibility (14.9 %), brakes (8.9 %), suspension (3.0 %). It fails more often than an average car of the same age and mileage on: brakes, lights, wipers and visibility, exhaust, emissions and leaks. It fails less often than average on: suspension, tyres and wheels.
What should you check when buying a used Jeep Wrangler (JK)?
Before you buy, ask an authorised dealer to check by VIN whether the car has any open recalls. On the test drive, watch for these signs: whistle, smoke, loss of power; DPF light, limp mode. The full checklist is in the guide to buying a used car.
Other generations
Other Jeep models
Jeep Grand Cherokee 2010–Jeep Cherokee (KJ / KK) 2001–2012Jeep Cherokee (KL) 2014–2023Jeep Renegade (EU) 2014–Jeep Compass II (EU) 2017–
Sources and notes
Faults, intervals and prices are indicative and collected from public sources and owner experience; always rely on the service book and a qualified workshop. Test statistics: DVSA – Anonymised MOT tests and results, Open Government Licence v3.0. Dutch tests: RDW Open Data (CC0). Engine versions: EEA, monitoring of CO₂ emissions from new passenger cars (CC BY 4.0, DG CLIMA). Owner complaints: NHTSA ODI (public domain). Recalls: DVSA Vehicle Safety Branch Recalls Database, OGL v3.0. Brand and model names are trademarks of their owners and are used only to describe the vehicles.
Updated 08/10/2026