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 2003 Ford Focus Diesel 1753cc has had 20 MOT tests on record, passing 11 and failing 9 (55% pass rate). It has 147,975 miles on the clock, averaging 4,543 miles per year, well below the UK average of 7,400. The 1.8 TDdi engine is known for timing belt failure and thermostat housing (plastic flange).
MOT & Mileage History for CU03 UYN
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 | 147,975 miles |
| Reading date | |
| Average per year | 4,543 |
| Mileage consistency | Variable |
Check CU03 UYN
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- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 20 tests on record
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Reported issues for this Ford Focus
These are the most commonly reported problems on Ford Focus models (1998–2004), based on owner reports and workshop data across the UK.
Timing belt failure
Belt snaps, bending exhaust valves (interference engine design).
Thermostat housing (plastic flange)
Plastic deforms/cracks, causing coolant leaks at joint.
Common faults, what to check, and what to pay
Explore more about the Ford Focus
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Vehicle Details
| Registration | CU03 UYN |
| Make | Ford |
| Model | Focus |
| Colour | Green |
| Fuel type | Diesel |
| Engine | 1753cc |
| Year | 2003 |
| First registered | |
| Area code | CU — Swansea, Cymru (Wales) |
| Age identifier | 03 — March 2003 to August 2003 |
More CU03 U plates
Browse all CU03 U registrations from Swansea.
About CU03 UYN
What car is CU03 UYN?
CU03 UYN is a green Ford Focus, diesel (1753cc). First registered in Swansea in 2003.
What is the mileage of CU03 UYN?
The last recorded mileage for CU03 UYN was 147,975 miles, recorded on 20 Jul 2018 during its most recent MOT test.
Has CU03 UYN passed its MOT?
CU03 UYN has had 20 MOT tests with a 55% pass rate (11 passes, 9 failures). It last passed on 20 Jul 2018.
Is CU03 UYN ULEZ compliant?
Based on its fuel type and registration year, CU03 UYN is likely not ULEZ compliant. As a diesel vehicle registered in 2003, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is CU03 UYN?
CU03 UYN is approximately 23 years old. Age identifier 03 means registered between 1 March 2003 and 31 August 2003.