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 Skoda Fabia Petrol 999cc has had 2 MOT tests on record, passing every one. It has 13,897 miles on the clock, averaging 2,232 miles per year, well below the UK average of 7,400. The 1.0 TSI engine is known for 1. carbon buildup on intake valves and 2. turbocharger actuator/wastegate linkage failure. Common Skoda Fabia issues include electric window switches and mechanisms and infotainment system (bolero unit).
MOT & Mileage History for AJ21 UMR
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
Low mileage| Latest reading | 13,897 miles |
| Reading date | |
| Miles last year | 2,182 |
| Average per year | 2,232 |
| Mileage consistency | Consistent |
Check AJ21 UMR
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Full MOT Test History 2 tests on record
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Reported issues for this Skoda Fabia
These are the most commonly reported problems on Skoda Fabia models (2014–2021), based on owner reports and workshop data across the UK.
Electric window switches and mechanisms
Window switches corrode from water ingress (rain splashes when windows open), causing intermittent failure; window motors or regulators also wear prematurely. · Typical repair: £150-£300 (switch replacement £100-£150 parts/labour; full regulator £200-£300 at indie garage).
Infotainment system (Bolero unit)
Software glitches, overheating, or water/corrosion damage to connections lead to freezing, blackouts, or total failure. · Typical repair: £200-£500 (software update/diagnostic £100-£200; full unit replacement £400-£500).
Instrument cluster wiring
Faulty wiring harness in the cluster corrodes or chafes, causing intermittent power loss. · Typical repair: £250-£450 (rewire/diagnostic £200-£300; cluster repair £300-£450).
Rear door seals
Rubber seals degrade or misalign, allowing water leaks into rear footwells. · Typical repair: £100-£250 (seal replacement both sides £80-£150 parts/labour).
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]
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Vehicle Details
| Registration | AJ21 UMR |
| Make | Skoda |
| Model | Fabia |
| Colour | White |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2021 |
| First registered | |
| Area code | AJ — Peterborough, Anglia |
| Age identifier | 21 — March 2021 to August 2021 |
More AJ21 U plates
Browse all AJ21 U registrations from Peterborough.
About AJ21 UMR
What car is AJ21 UMR?
AJ21 UMR is an white Skoda Fabia, petrol (999cc). First registered in Peterborough in 2021.
What is the mileage of AJ21 UMR?
The last recorded mileage for AJ21 UMR was 13,897 miles, recorded on 17 Jul 2025 during its most recent MOT test.
Has AJ21 UMR passed its MOT?
AJ21 UMR has had 2 MOT tests with an 100% pass rate (2 passes, 0 failures). It last passed on 17 Jul 2025.
Is AJ21 UMR ULEZ compliant?
Based on its fuel type and registration year, AJ21 UMR 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 AJ21 UMR?
AJ21 UMR is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.