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 Volkswagen Polo Diesel 1422cc has had 14 MOT tests on record, passing 12 and failing 2 (86% pass rate). It has 135,949 miles on the clock, averaging 10,608 miles per year, above the UK average of 7,400. The 1.4 TDI engine is known for 1. oil pump chain & balance shaft chain wear / failure and 2. injector unit (pd pump–dooer) wear & electrical failure. Common Volkswagen Polo issues include engine-specific faults and brake pad and disc wear:.
MOT & Mileage History for KF03 WSZ
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
Above average| Latest reading | 135,949 miles |
| Reading date | |
| Miles last year | 9,908 |
| Average per year | 10,608 |
| Mileage consistency | Variable |
Check KF03 WSZ
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Full MOT Test History 14 tests on record
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Reported issues for this Volkswagen Polo
These are the most commonly reported problems on Volkswagen Polo models (2002–2009), based on owner reports and workshop data across the UK.
Engine-specific faults
Brake pad and disc wear:
Tyre wear and replacement:
Spark plug replacement:
1. Oil Pump Chain & Balance Shaft Chain Wear / Failure
The chain driving the oil pump and balance shaft (where fitted) is undersized for the loads imposed by the three-cylinder engine's unbalanced firing impulses. Early models are particularly vulnerable; chain tensioner wear allows excessive slack, leading to chain stretch, skip, or catastrophic failure[1].
2. Injector Unit (PD Pump–Dooer) Wear & Electrical Failure
Worn plunger seals allow diesel and engine oil to mix; electrical spools fail (sticking or electrical contact wear). These are high-wear components under the extreme pressures of the PD system[1].
Common faults, what to check, and what to pay
Explore more about the Volkswagen Polo
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Vehicle Details
| Registration | KF03 WSZ |
| Make | Volkswagen |
| Model | Polo |
| Colour | Silver |
| Fuel type | Diesel |
| Engine | 1422cc |
| Year | 2003 |
| First registered | |
| Area code | KF — Northampton, Luton and Northampton |
| Age identifier | 03 — March 2003 to August 2003 |
More KF03 W plates
Browse all KF03 W registrations from Northampton.
About KF03 WSZ
What car is KF03 WSZ?
KF03 WSZ is a silver Volkswagen Polo, diesel (1422cc). First registered in Northampton in 2003.
What is the mileage of KF03 WSZ?
The last recorded mileage for KF03 WSZ was 135,949 miles, recorded on 11 Feb 2017 during its most recent MOT test.
Has KF03 WSZ passed its MOT?
KF03 WSZ has had 14 MOT tests with an 86% pass rate (12 passes, 2 failures). It last passed on 11 Feb 2017.
Is KF03 WSZ ULEZ compliant?
Based on its fuel type and registration year, KF03 WSZ 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 KF03 WSZ?
KF03 WSZ is approximately 23 years old. Age identifier 03 means registered between 1 March 2003 and 31 August 2003.