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 2016 Audi A3 Petrol 999cc has had 8 MOT tests on record, passing 7 and failing once (88% pass rate). It has 39,333 miles on the clock, averaging 2,642 miles per year, well below 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 KN66 UDO
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
Low mileage| Latest reading | 39,333 miles |
| Reading date | |
| Miles last year | 2,244 |
| Average per year | 2,642 |
| Mileage consistency | Consistent |
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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 | KN66 UDO |
| Make | Audi |
| Model | A3 |
| Colour | Red |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2016 |
| First registered | |
| Area code | KN — Luton, Luton and Northampton |
| Age identifier | 66 — September 2016 to February 2017 |
More KN66 U plates
Browse all KN66 U registrations from Luton.
About KN66 UDO
What car is KN66 UDO?
KN66 UDO is a red Audi A3, petrol (999cc). First registered in Luton in 2016.
What is the mileage of KN66 UDO?
The last recorded mileage for KN66 UDO was 39,333 miles, recorded on 12 Sep 2025 during its most recent MOT test.
Has KN66 UDO passed its MOT?
KN66 UDO has had 8 MOT tests with an 88% pass rate (7 passes, 1 failure). It last passed on 12 Sep 2025.
Is KN66 UDO ULEZ compliant?
Based on its fuel type and registration year, KN66 UDO 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 KN66 UDO?
KN66 UDO is approximately 10 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.