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 7 MOT tests on record, passing every one. It has 34,634 miles on the clock, averaging 3,641 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 DC66 HTE
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
Low mileage| Latest reading | 34,634 miles |
| Reading date | |
| Miles last year | 3,986 |
| Average per year | 3,641 |
| Mileage consistency | Consistent |
Check DC66 HTE
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Full MOT Test History 7 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 | DC66 HTE |
| Make | Audi |
| Model | A3 |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2016 |
| First registered | |
| Area code | DC — Chester, Deeside to Shrewsbury |
| Age identifier | 66 — September 2016 to February 2017 |
More DC66 H plates
Browse all DC66 H registrations from Chester.
About DC66 HTE
What car is DC66 HTE?
DC66 HTE is a black Audi A3, petrol (999cc). First registered in Chester in 2016.
What is the mileage of DC66 HTE?
The last recorded mileage for DC66 HTE was 34,634 miles, recorded on 16 Dec 2025 during its most recent MOT test.
Has DC66 HTE passed its MOT?
DC66 HTE has had 7 MOT tests with an 100% pass rate (7 passes, 0 failures). It last passed on 16 Dec 2025.
Is DC66 HTE ULEZ compliant?
Based on its fuel type and registration year, DC66 HTE 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 DC66 HTE?
DC66 HTE is approximately 10 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.