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 Mazda 3 Petrol 1999cc has had 14 MOT tests on record, passing 9 and failing 5 (64% pass rate). It has 99,959 miles on the clock, averaging 8,441 miles per year, around 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 YB04 CKJ
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
About average| Latest reading | 99,959 miles |
| Reading date | |
| Average per year | 8,441 |
| Mileage consistency | Variable |
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Full MOT Test History 14 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 | YB04 CKJ |
| Make | Mazda |
| Model | 3 |
| Colour | Blue |
| Fuel type | Petrol |
| Engine | 1999cc |
| Year | 2004 |
| First registered | |
| Area code | YB — Leeds, Yorkshire |
| Age identifier | 04 — March 2004 to August 2004 |
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About YB04 CKJ
What car is YB04 CKJ?
YB04 CKJ is a blue Mazda 3, petrol (1999cc). First registered in Leeds in 2004.
What is the mileage of YB04 CKJ?
The last recorded mileage for YB04 CKJ was 99,959 miles, recorded on 21 Mar 2016 during its most recent MOT test.
Has YB04 CKJ passed its MOT?
YB04 CKJ has had 14 MOT tests with a 64% pass rate (9 passes, 5 failures). It last passed on 21 Mar 2016.
Is YB04 CKJ ULEZ compliant?
Based on its fuel type and registration year, YB04 CKJ is likely not ULEZ compliant. As a petrol vehicle registered in 2004, it typically does not meet the Euro 4 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is YB04 CKJ?
YB04 CKJ is approximately 22 years old. Age identifier 04 means registered between 1 March 2004 and 31 August 2004.