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 2016 Ford Focus Diesel 1499cc has had 7 MOT tests on record, passing every one. It has 107,420 miles on the clock, averaging 11,695 miles per year, above the UK average of 7,400. The 1.5 TDCi engine is known for head gasket and timing belt (cambelt). Common Ford Focus issues include door latch failure and squeaky door seals / a-pillar noise.
MOT & Mileage History for EF66 JBY
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Above average| Latest reading | 107,420 miles |
| Reading date | |
| Miles last year | 7,332 |
| Average per year | 11,695 |
| Mileage consistency | Consistent |
Check EF66 JBY
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
- Ownership changes Experian
- Mileage discrepancy alerts
- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 7 tests on record
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Reported issues for this Ford Focus
These are the most commonly reported problems on Ford Focus models (2011–2018), based on owner reports and workshop data across the UK.
Door Latch Failure
Pawl spring tab fractures, causing doors to unlatch unexpectedly while driving. · Typical repair: Free if under DVSA recall R/2015/173 (or Ford 15S26); otherwise £200-£400 per door at indie garage.
Squeaky Door Seals / A-Pillar Noise
Seals loosen or degrade, allowing wind noise and vibration. · Typical repair: £50-£150 (new seals + labour).
Excessive Battery Discharge / BCM Water Ingress
Washer fluid leaks down wires into BCM, causing drain and fault codes. · Typical repair: £100-£250 (clean BCM + new pump if needed).
Powershift Gearbox Jerking/Shuddering (Auto Variants Only)
Clutch wear or sensor failure causes harsh shifts. · Typical repair: £400-£1,500 (sensor/clutch pack).
Head Gasket
Timing Belt (Cambelt)
Common faults, what to check, and what to pay
Explore more about the Ford Focus
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | EF66 JBY |
| Make | Ford |
| Model | Focus |
| Colour | Grey |
| Fuel type | Diesel |
| Engine | 1499cc |
| Year | 2016 |
| First registered | |
| Area code | EF — Chelmsford, Essex |
| Age identifier | 66 — September 2016 to February 2017 |
More EF66 J plates
Browse all EF66 J registrations from Chelmsford.
About EF66 JBY
What car is EF66 JBY?
EF66 JBY is an grey Ford Focus, diesel (1499cc). First registered in Chelmsford in 2016.
What is the mileage of EF66 JBY?
The last recorded mileage for EF66 JBY was 107,420 miles, recorded on 1 Apr 2026 during its most recent MOT test.
Has EF66 JBY passed its MOT?
EF66 JBY has had 7 MOT tests with an 100% pass rate (7 passes, 0 failures). It last passed on 1 Apr 2026.
Is EF66 JBY ULEZ compliant?
Based on its fuel type and registration year, EF66 JBY 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 EF66 JBY?
EF66 JBY is approximately 10 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.