2016 Mazda 6 2.2L Diesel · P666 AAH
2016 Mazda 6 (2.2L, diesel). First registered 01 Sept 2016. Recorded mileage 108,411 miles. MOT valid until 23 Mar 2027. Taxed until 01 Mar 2027.
- Make & Model
- MAZDA 6
- Year / Origin
- 2016 · Preston
- Safety Recall
- Unknown
- MOT Status
- Valid until 23 Mar 2027
- Road Tax
- Taxed (01 Mar 2027)
- Recorded Mileage
- 108,411 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6 Diesel)
- Fuel & Engine
- Diesel · 2.2L
- Reliability Guide
- Common Faults
AI-generated interpretation of this vehicle’s MOT record — not an official statement and not a substitute for an independent inspection.
Thinking of buying this vehicle? Free MOT and tax checks do not cover legal ownership. If outstanding finance exists, finance companies have legal right to repossess without compensation.
P666 AAH Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 24/03/2026
- 108,411 miles recorded at latest MOT
- 2 historical MOT failures
- 5 defects noted at the latest MOT
- Recurring suspension items (6 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
P666 AAH 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 2016 Mazda 6 (P666 AAH) between August 2024 and March 2026.
The record contains 3 passes and 2 failures.
The most recent test on 24 March 2026 was a pass, although the earlier record includes 2 failures that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Suspension (6 issues), Windscreen (4 issues), Tyres (4 issues), Lighting (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 14 advisory notices are recorded. Advisories flag items that passed but may need attention before the next test; they are not evidence of how well the vehicle has been serviced.
Recorded failure items include: “Central Rear Seat belt webbing significantly weakened cut from edge greater than 2mm (7.1.2 (b))”; “Nearside Front Windscreen washer not working (3.5 (a))”; “Offside Front Windscreen washer not working (3.5 (a))”.
P666 AAH Mileage History
- 10/08/2024100,726 mi
- 07/03/2025105,542 mi+4,816 mi
- 07/03/2025105,543 mi+1 mi
- 19/03/2026108,411 mi+2,868 mi
- 24/03/2026108,411 mi
Average of roughly 4,750 miles per year across 5 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
Diagnostic & Valuation Intelligence
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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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Digital Service History
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MAZDA 6 Model Intelligence & Reliability
Verified MOT failure trends, buying advice, and technical directory specifications.
Owner-reported defects, recurring MOT failure points, and estimated repair costs.
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Historical MOT pass rates and DVLA records for 2016 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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