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 2021 Volkswagen Polo Petrol 990cc has had 1 MOT test on record, passing every one. It has 35,386 miles on the clock at the last MOT. The 1.0 TSI engine is known for 1. carbon buildup on intake valves and 2. turbocharger actuator/wastegate linkage failure. Common Volkswagen Polo issues include infotainment system glitches and component affected.
MOT & Mileage History for KC21 JFK
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gaps in MOT history
Check KC21 JFK
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- Outstanding finance check Experian
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- Plate & colour change history
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- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 1 test on record
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Reported issues for this Volkswagen Polo
These are the most commonly reported problems on Volkswagen Polo models (2017–2024), based on owner reports and workshop data across the UK.
Infotainment System Glitches
Component affected
What goes wrong
Symptoms
1. Carbon Buildup on Intake Valves
Direct-injection petrol engines like the CHZB lack fuel spray across the intake valves during the induction stroke. Without this natural cleaning action, carbon deposits accumulate on the valve stems and seats, restricting airflow.[2]
2. Turbocharger Actuator/Wastegate Linkage Failure
The actuator linkage connecting the wastegate solenoid to the wastegate valve becomes faulty or loose, causing loss of boost control. Many repair shops misdiagnose this as full turbocharger failure and recommend a costly replacement (€1,000+) when only the actuator arm needs repair (€150).[3]
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 | KC21 JFK |
| Make | Volkswagen |
| Model | Polo |
| Colour | White |
| Fuel type | Petrol |
| Engine | 990cc |
| Year | 2021 |
| First registered | |
| Area code | KC — Northampton, Luton and Northampton |
| Age identifier | 21 — March 2021 to August 2021 |
More KC21 J plates
Browse all KC21 J registrations from Northampton.
About KC21 JFK
What car is KC21 JFK?
KC21 JFK is a white Volkswagen Polo, petrol (990cc). First registered in Northampton in 2021.
What is the mileage of KC21 JFK?
The last recorded mileage for KC21 JFK was 35,386 miles, recorded on 20 Oct 2025 during its most recent MOT test.
Has KC21 JFK passed its MOT?
KC21 JFK has had 1 MOT tests with an 100% pass rate (1 pass, 0 failures). It last passed on 20 Oct 2025.
Is KC21 JFK ULEZ compliant?
Based on its fuel type and registration year, KC21 JFK 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 KC21 JFK?
KC21 JFK is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.