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 Mazda 3 Petrol 1999cc has had 10 MOT tests on record, passing 8 and failing 2 (80% pass rate). It has 104,604 miles on the clock, averaging 9,362 miles per year, above the UK average of 7,400. The 2.0L LF-DE engine is known for 1. high oil consumption and 2. plastic intake manifold swirlplate fracture.
MOT & Mileage History for KC53 YSB
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
Above average| Latest reading | 104,604 miles |
| Reading date | |
| Miles last year | 4,579 |
| Average per year | 9,362 |
| Mileage consistency | Variable |
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Full MOT Test History 10 tests on record
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Reported issues for this Mazda 3
These are the most commonly reported problems on Mazda 3 models (2003–2009), based on owner reports and workshop data across the UK.
1. High Oil Consumption (Valve Stem Seals / Connecting Rod Bearing Wear)
Valve stem seals deteriorate and allow oil to migrate past them into the combustion chamber. Worn connecting rod bearings also elevate oil consumption. This is not a catastrophic failure initially but signals internal wear.
2. Plastic Intake Manifold Swirlplate Fracture
Poor-quality plastic in early manifolds becomes brittle. The swirlplates break off and/or the shaft wears and fractures. Broken pieces can enter the cylinder, causing catastrophic damage if not caught early.
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Vehicle Details
| Registration | KC53 YSB |
| Make | Mazda |
| Model | 3 |
| Colour | Blue |
| Fuel type | Petrol |
| Engine | 1999cc |
| Year | 2003 |
| First registered | |
| Area code | KC — Northampton, Luton and Northampton |
| Age identifier | 53 — September 2003 to February 2004 |
More KC53 Y plates
Browse all KC53 Y registrations from Northampton.
About KC53 YSB
What car is KC53 YSB?
KC53 YSB is a blue Mazda 3, petrol (1999cc). First registered in Northampton in 2003.
What is the mileage of KC53 YSB?
The last recorded mileage for KC53 YSB was 104,604 miles, recorded on 4 Jun 2014 during its most recent MOT test.
Has KC53 YSB passed its MOT?
KC53 YSB has had 10 MOT tests with an 80% pass rate (8 passes, 2 failures). It last passed on 4 Jun 2014.
Is KC53 YSB ULEZ compliant?
Based on its fuel type and registration year, KC53 YSB is likely not ULEZ compliant. As a petrol vehicle registered in 2003, it typically does not meet the Euro 4 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is KC53 YSB?
KC53 YSB is approximately 23 years old. Age identifier 53 means registered between 1 September 2003 and 28 February 2004.