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 2017 Hyundai Tucson Diesel 1995cc has had 8 MOT tests on record, passing 7 and failing once (88% pass rate). It has 66,904 miles on the clock, averaging 5,573 miles per year, below the UK average of 7,400. The 2.0 CRDi engine is known for cp4 common-rail injection pump failure and piezo-electric injector wear and failure.
MOT & Mileage History for ET66 LSO
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
Below average| Latest reading | 66,904 miles |
| Reading date | |
| Miles last year | 5,446 |
| Average per year | 5,573 |
| Mileage consistency | Consistent |
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Full MOT Test History 8 tests on record
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Reported issues for this Hyundai Tucson
These are the most commonly reported problems on Hyundai Tucson models (2010–2022), based on owner reports and workshop data across the UK.
CP4 Common-Rail Injection Pump Failure
The pump fails prematurely due to poor diesel fuel quality (contamination, water, low lubricity). When it fails, metal debris circulates through the entire fuel system, clogging injectors and the fuel rail.[1]
Piezo-Electric Injector Wear and Failure
Injectors wear prematurely, particularly if CP4 pump debris has entered the system. Injector seats foul with carbon deposits, reducing spray pattern and combustion efficiency.[1][2]
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Vehicle Details
| Registration | ET66 LSO |
| Make | Hyundai |
| Model | Tucson |
| Colour | Black |
| Fuel type | Diesel |
| Engine | 1995cc |
| Year | 2017 |
| First registered | |
| Area code | ET — Chelmsford, Essex |
| Age identifier | 66 — September 2016 to February 2017 |
More ET66 L plates
Browse all ET66 L registrations from Chelmsford.
About ET66 LSO
What car is ET66 LSO?
ET66 LSO is an black Hyundai Tucson, diesel (1995cc). First registered in Chelmsford in 2017.
What is the mileage of ET66 LSO?
The last recorded mileage for ET66 LSO was 66,904 miles, recorded on 7 Feb 2026 during its most recent MOT test.
Has ET66 LSO passed its MOT?
ET66 LSO has had 8 MOT tests with an 88% pass rate (7 passes, 1 failure). It last passed on 7 Feb 2026.
Is ET66 LSO ULEZ compliant?
Based on its fuel type and registration year, ET66 LSO is likely ULEZ compliant. Diesel post-2015 (Euro 6). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is ET66 LSO?
ET66 LSO is approximately 9 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.