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 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 43,428 miles on the clock, averaging 8,001 miles per year, around 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 GM21 HYH
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
About average| Latest reading | 43,428 miles |
| Reading date | |
| Average per year | 8,001 |
| Mileage consistency | Consistent |
Check GM21 HYH
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Full MOT Test History 4 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 | GM21 HYH |
| Make | Skoda |
| Model | Fabia |
| Colour | Grey |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2021 |
| First registered | |
| Area code | GM — Maidstone, Garden of England |
| Age identifier | 21 — March 2021 to August 2021 |
More GM21 H plates
Browse all GM21 H registrations from Maidstone.
About GM21 HYH
What car is GM21 HYH?
GM21 HYH is a grey Skoda Fabia, petrol (999cc). First registered in Maidstone in 2021.
What is the mileage of GM21 HYH?
The last recorded mileage for GM21 HYH was 43,428 miles, recorded on 9 Jun 2026 during its most recent MOT test.
Has GM21 HYH passed its MOT?
GM21 HYH has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 9 Jun 2026.
Is GM21 HYH ULEZ compliant?
Based on its fuel type and registration year, GM21 HYH 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 GM21 HYH?
GM21 HYH is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.