2017 Mazda 6 2.2L Diesel · HW67 GWC
2017 Mazda 6 (2.2L, diesel). First registered 30 Nov 2017. Recorded mileage 37,276 miles. MOT valid until 05 Feb 2027.
- Make & Model
- MAZDA 6
- Year / Origin
- 2017 · Portsmouth
- Safety Recall
- Unknown
- MOT Status
- Valid until 05 Feb 2027
- Road Tax
- —
- Recorded Mileage
- 37,276 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6 Diesel)
- Fuel & Engine
- Diesel · 2.2L
- Reliability Guide
- Common Faults
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HW67 GWC Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 30/01/2026
- 37,276 miles recorded at latest MOT
- 1 historical MOT failure
- No defects recorded at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
HW67 GWC MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
5 MOT tests are recorded for this 2017 Mazda 6 (HW67 GWC) between February 2024 and January 2026.
The record contains 4 passes and 1 failure.
The most recent test on 30 January 2026 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.
HW67 GWC Mileage History
- 03/02/202430,887 mi
- 06/02/202430,895 mi+8 mi
- 06/02/202430,895 mi
- 30/01/202535,366 mi+4,471 mi
- 30/01/202637,276 mi+1,910 mi
Average of roughly 3,209 miles per year across 5 recorded odometer readings.
Technical Specifications
Core Specifications
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Known faults for Mazda Mazda 6 (GJ facelift)
Our database tracks 5 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
MOT Roadworthiness: Good
This rating reflects historical MOT pass rates and recurring advisory wear patterns from official DVSA test logs. Note that roadworthiness does not verify outstanding finance, insurance write-offs, or stolen records.
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Historical MOT pass rates and DVLA records for 2017 model year cars.
- 2.2 Diesel Carbon BuildupModerate
Soot accumulates in the intake manifold and EGR system, causing flat performance, poor economy and repeated regeneration trouble.
- 2.2 Skyactiv-D Twin-Turbocharger Wastegate and Bearing FailureSerious
On 2.2-litre Skyactiv-D (SH-VPTS) diesel engines, the sequential twin-turbocharger assembly suffers from mechanical failure of the exhaust gas regulation valve (wastegate flapper) inside the turbine housing. The pivot pin and rivet holding the flapper fatigue and shear off, causing sudden loss of boost pressure at lower RPMs and triggering fault code P0299 (turbocharger underboost) alongside severe limp mode. In addition, turbocharger bearings are vulnerable to oil starvation caused by carbonised oil and soot accumulation from DPF regeneration cycles. Replacing the twin-turbo unit requires a revised assembly, new oil feed pipes and thorough oil flush.
- 2.2 Skyactiv-D Injector Copper Washer Blow-By and Oil Pickup BlockageSerious
The 2.2 Skyactiv-D engine is prone to premature erosion of the copper combustion chamber sealing washers beneath the fuel injectors. When a washer fails, high-pressure combustion gas blows past the injector into the rocker cover, rapidly baking the engine oil into hard carbon crust and granular sludge. This carbon debris migrates down into the oil sump and chokes the fine wire-mesh oil pump pickup strainer. Oil starvation follows, triggering low oil pressure warnings, grinding exhaust camshaft lobes, vacuum pump failure (causing stiff brake pedals) and catastrophic engine seizure. Preventative replacement of injector washers and sump strainer cleaning is essential.
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