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 2019 Audi A3 Petrol 999cc has had 4 MOT tests on record, passing every one. It has 42,861 miles on the clock, averaging 5,539 miles per year, 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 KK12 JEM
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
Below average| Latest reading | 42,861 miles |
| Reading date | |
| Miles last year | 2,464 |
| Average per year | 5,539 |
| Mileage consistency | Variable |
Check KK12 JEM
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- Plate & colour change history
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- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 4 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 | KK12 JEM |
| Make | Audi |
| Model | A3 |
| Colour | White |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2019 |
| First registered | |
| Area code | KK — Northampton, Luton and Northampton |
| Age identifier | 12 — March 2012 to August 2012 |
More KK12 J plates
Browse all KK12 J registrations from Northampton.
About KK12 JEM
What car is KK12 JEM?
KK12 JEM is a white Audi A3, petrol (999cc). First registered in Northampton in 2019.
What is the mileage of KK12 JEM?
The last recorded mileage for KK12 JEM was 42,861 miles, recorded on 9 Sep 2025 during its most recent MOT test.
Has KK12 JEM passed its MOT?
KK12 JEM has had 4 MOT tests with an 100% pass rate (4 passes, 0 failures). It last passed on 9 Sep 2025.
Is KK12 JEM ULEZ compliant?
Based on its fuel type and registration year, KK12 JEM 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 KK12 JEM?
KK12 JEM is approximately 7 years old. Age identifier 12 means registered between 1 March 2012 and 31 August 2012.