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 2009 Mazda 3 Petrol 1998cc has had 1 MOT test on record, passing 0 and failing once (0% pass rate). It has 46,946 miles on the clock at the last MOT. The 2.0L LF-DE engine is known for 1. high oil consumption and 2. plastic intake manifold swirlplate fracture.
MOT & Mileage History for CN09 KDZ
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gaps in MOT history
Check CN09 KDZ
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- Warranty work logged
Full MOT Test History 1 test 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 | CN09 KDZ |
| Make | Mazda |
| Model | 3 |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 1998cc |
| Year | 2009 |
| First registered | |
| Area code | CN — Cardiff, Cymru (Wales) |
| Age identifier | 09 — March 2009 to August 2009 |
More CN09 K plates
Browse all CN09 K registrations from Cardiff.
About CN09 KDZ
What car is CN09 KDZ?
CN09 KDZ is a black Mazda 3, petrol (1998cc). First registered in Cardiff in 2009.
What is the mileage of CN09 KDZ?
The last recorded mileage for CN09 KDZ was 46,946 miles, recorded on 20 Mar 2012 during its most recent MOT test.
Has CN09 KDZ passed its MOT?
CN09 KDZ has had 1 MOT tests with a 0% pass rate (0 passes, 1 failure). It last was tested on 20 Mar 2012.
Is CN09 KDZ ULEZ compliant?
Based on its fuel type and registration year, CN09 KDZ 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 CN09 KDZ?
CN09 KDZ is approximately 17 years old. Age identifier 09 means registered between 1 March 2009 and 31 August 2009.