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 9 MOT tests on record, passing 8 and failing once (89% pass rate). It has 57,959 miles on the clock, averaging 4,102 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 YF17 ONG
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 | 57,959 miles |
| Reading date | |
| Miles last year | 3,469 |
| Average per year | 4,102 |
| Mileage consistency | Consistent |
Check YF17 ONG
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Full MOT Test History 9 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 | YF17 ONG |
| Make | Audi |
| Model | A3 |
| Colour | Grey |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2017 |
| First registered | |
| Area code | YF — Leeds, Yorkshire |
| Age identifier | 17 — March 2017 to August 2017 |
More YF17 O plates
Browse all YF17 O registrations from Leeds.
About YF17 ONG
What car is YF17 ONG?
YF17 ONG is a grey Audi A3, petrol (999cc). First registered in Leeds in 2017.
What is the mileage of YF17 ONG?
The last recorded mileage for YF17 ONG was 57,959 miles, recorded on 15 Jul 2026 during its most recent MOT test.
Has YF17 ONG passed its MOT?
YF17 ONG has had 9 MOT tests with an 89% pass rate (8 passes, 1 failure). It last passed on 15 Jul 2026.
Is YF17 ONG ULEZ compliant?
Based on its fuel type and registration year, YF17 ONG 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 YF17 ONG?
YF17 ONG is approximately 9 years old. Age identifier 17 means registered between 1 March 2017 and 31 August 2017.