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 21 MOT tests on record, passing 15 and failing 6 (71% pass rate). It has 137,341 miles on the clock, averaging 7,541 miles per year, around 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 WN03 JLU
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 | 137,341 miles |
| Reading date | |
| Miles last year | 2,581 |
| Average per year | 7,541 |
| Mileage consistency | Variable |
Check WN03 JLU
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Full MOT Test History 21 tests on record
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Buyers comparing the Volkswagen Polo often also look at these models. Check their MOT history and reliability before deciding:
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
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | WN03 JLU |
| Make | Volkswagen |
| Model | Polo |
| Colour | Silver |
| Fuel type | Diesel |
| Engine | 1422cc |
| Year | 2003 |
| First registered | |
| Area code | WN — Bristol, West of England |
| Age identifier | 03 — March 2003 to August 2003 |
More WN03 J plates
Browse all WN03 J registrations from Bristol.
About WN03 JLU
What car is WN03 JLU?
WN03 JLU is a silver Volkswagen Polo, diesel (1422cc). First registered in Bristol in 2003.
What is the mileage of WN03 JLU?
The last recorded mileage for WN03 JLU was 137,341 miles, recorded on 24 Jan 2022 during its most recent MOT test.
Has WN03 JLU passed its MOT?
WN03 JLU has had 21 MOT tests with a 71% pass rate (15 passes, 6 failures). It last was tested on 24 Jan 2022.
Is WN03 JLU ULEZ compliant?
Based on its fuel type and registration year, WN03 JLU 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 WN03 JLU?
WN03 JLU is approximately 23 years old. Age identifier 03 means registered between 1 March 2003 and 31 August 2003.