Vehicle summary
ULEZ status is estimated based on fuel type and registration year. It may not reflect the actual emission standard of this vehicle. Check with TfL for a definitive answer.
At a glance
This 2017 Audi A3 Petrol 999cc has had 8 MOT tests on record, passing 7 and failing once (88% pass rate). It has 73,204 miles on the clock, averaging 8,271 miles per year, around the UK average of 7,400. The 1.0 TFSI engine is known for 1. carbon buildup on intake valves and 2. turbocharger actuator/wastegate linkage failure.
MOT & Mileage History for MD66 FNX
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
About average| Latest reading | 73,204 miles |
| Reading date | |
| Miles last year | 9,002 |
| Average per year | 8,271 |
| Mileage consistency | Variable |
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Full MOT Test History 8 tests on record
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Reported issues for this Audi A3
These are the most commonly reported problems on Audi A3 models (2012–2020), based on owner reports and workshop data across the UK.
1. Carbon Buildup on Intake Valves
Direct-injection petrol engines like the CHZB lack fuel spray across the intake valves during the induction stroke. Without this natural cleaning action, carbon deposits accumulate on the valve stems and seats, restricting airflow.[2]
2. Turbocharger Actuator/Wastegate Linkage Failure
The actuator linkage connecting the wastegate solenoid to the wastegate valve becomes faulty or loose, causing loss of boost control. Many repair shops misdiagnose this as full turbocharger failure and recommend a costly replacement (€1,000+) when only the actuator arm needs repair (€150).[3]
Common faults, what to check, and what to pay
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Vehicle Details
| Registration | MD66 FNX |
| Make | Audi |
| Model | A3 |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2017 |
| First registered | |
| Area code | MD — Manchester, Manchester and Merseyside |
| Age identifier | 66 — September 2016 to February 2017 |
More MD66 F plates
Browse all MD66 F registrations from Manchester.
About MD66 FNX
What car is MD66 FNX?
MD66 FNX is an black Audi A3, petrol (999cc). First registered in Manchester in 2017.
What is the mileage of MD66 FNX?
The last recorded mileage for MD66 FNX was 73,204 miles, recorded on 6 Feb 2026 during its most recent MOT test.
Has MD66 FNX passed its MOT?
MD66 FNX has had 8 MOT tests with an 88% pass rate (7 passes, 1 failure). It last passed on 6 Feb 2026.
Is MD66 FNX ULEZ compliant?
Based on its fuel type and registration year, MD66 FNX is likely ULEZ compliant. Petrol post-2005 (Euro 4). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is MD66 FNX?
MD66 FNX is approximately 9 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.