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 2019 Volkswagen Polo Petrol 999cc has had 7 MOT tests on record, passing 5 and failing 2 (71% pass rate). It has 83,128 miles on the clock, averaging 10,005 miles per year, above 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 Volkswagen Polo issues include infotainment system glitches and component affected.
MOT & Mileage History for CJ66 ACK
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 | 83,128 miles |
| Reading date | |
| Miles last year | 7,032 |
| Average per year | 10,005 |
| Mileage consistency | Consistent |
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Full MOT Test History 7 tests 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
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Vehicle Details
| Registration | CJ66 ACK |
| Make | Volkswagen |
| Model | Polo |
| Colour | Grey |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2019 |
| First registered | |
| Area code | CJ — Cardiff, Cymru (Wales) |
| Age identifier | 66 — September 2016 to February 2017 |
More CJ66 A plates
Browse all CJ66 A registrations from Cardiff.
About CJ66 ACK
What car is CJ66 ACK?
CJ66 ACK is a grey Volkswagen Polo, petrol (999cc). First registered in Cardiff in 2019.
What is the mileage of CJ66 ACK?
The last recorded mileage for CJ66 ACK was 83,128 miles, recorded on 24 Jan 2026 during its most recent MOT test.
Has CJ66 ACK passed its MOT?
CJ66 ACK has had 7 MOT tests with a 71% pass rate (5 passes, 2 failures). It last passed on 24 Jan 2026.
Is CJ66 ACK ULEZ compliant?
Based on its fuel type and registration year, CJ66 ACK 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 CJ66 ACK?
CJ66 ACK is approximately 7 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.