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 2012 Mazda 3 Petrol 1999cc has had 15 MOT tests on record, passing 11 and failing 4 (73% pass rate). It has 40,656 miles on the clock, averaging 1,338 miles per year, well below the UK average of 7,400. The 2.0L LF-VE engine is known for 1. high oil consumption and 2. thermostat failure (stuck open or closed).
MOT & Mileage History for DY12 YJH
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 | 40,656 miles |
| Reading date | |
| Average per year | 1,338 |
| Mileage consistency | Variable |
Check DY12 YJH
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- Warranty work logged
Full MOT Test History 15 tests on record
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Reported issues for this Mazda 3
These are the most commonly reported problems on Mazda 3 models (2009–2013), based on owner reports and workshop data across the UK.
1. High Oil Consumption (valve stem seals & connecting rod bearings)
Valve stem seals degrade, allowing oil past them into the combustion chamber. Separately, connecting rod bearings can lose oil film and overheat, spinning on the crankshaft journal.[1]
2. Thermostat Failure (stuck open or closed)
Thermostat sticks in the open or closed position, breaking temperature regulation.[1]
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Vehicle Details
| Registration | DY12 YJH |
| Make | Mazda |
| Model | 3 |
| Colour | White |
| Fuel type | Petrol |
| Engine | 1999cc |
| Year | 2012 |
| First registered | |
| Area code | DY — Shrewsbury, Deeside to Shrewsbury |
| Age identifier | 12 — March 2012 to August 2012 |
More DY12 Y plates
Browse all DY12 Y registrations from Shrewsbury.
About DY12 YJH
What car is DY12 YJH?
DY12 YJH is a white Mazda 3, petrol (1999cc). First registered in Shrewsbury in 2012.
What is the mileage of DY12 YJH?
The last recorded mileage for DY12 YJH was 40,656 miles, recorded on 18 Sep 2025 during its most recent MOT test.
Has DY12 YJH passed its MOT?
DY12 YJH has had 15 MOT tests with a 73% pass rate (11 passes, 4 failures). It last passed on 18 Sep 2025.
Is DY12 YJH ULEZ compliant?
Based on its fuel type and registration year, DY12 YJH 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 DY12 YJH?
DY12 YJH is approximately 14 years old. Age identifier 12 means registered between 1 March 2012 and 31 August 2012.