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 2004 Ford Focus Diesel 1753cc has had 16 MOT tests on record, passing 14 and failing 2 (88% pass rate). It has 130,391 miles on the clock, averaging 5,873 miles per year, 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 RJ04 AYB
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Below average| Latest reading | 130,391 miles |
| Reading date | |
| Miles last year | 4,386 |
| Average per year | 5,873 |
| Mileage consistency | Variable |
Check RJ04 AYB
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- Plate & colour change history
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- Warranty work logged
Full MOT Test History 16 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
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Vehicle Details
| Registration | RJ04 AYB |
| Make | Ford |
| Model | Focus |
| Colour | Grey |
| Fuel type | Diesel |
| Engine | 1753cc |
| Year | 2004 |
| First registered | |
| Area code | RJ — Reading, Reading |
| Age identifier | 04 — March 2004 to August 2004 |
More RJ04 A plates
Browse all RJ04 A registrations from Reading.
About RJ04 AYB
What car is RJ04 AYB?
RJ04 AYB is an grey Ford Focus, diesel (1753cc). First registered in Reading in 2004.
What is the mileage of RJ04 AYB?
The last recorded mileage for RJ04 AYB was 130,391 miles, recorded on 23 Mar 2020 during its most recent MOT test.
Has RJ04 AYB passed its MOT?
RJ04 AYB has had 16 MOT tests with an 88% pass rate (14 passes, 2 failures). It last passed on 23 Mar 2020.
Is RJ04 AYB ULEZ compliant?
Based on its fuel type and registration year, RJ04 AYB is likely not ULEZ compliant. As a diesel vehicle registered in 2004, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is RJ04 AYB?
RJ04 AYB is approximately 22 years old. Age identifier 04 means registered between 1 March 2004 and 31 August 2004.