Engine oil leaking excessively on the London Taxis Int TX4
Engine oil leaking excessively on the London Taxis Int TX4 is recorded on 5,646 tests — 12.6% of all its MOT tests, against 5.4% across every car in the data. That is 2.3× the national share.
Is this unusual for this model?
| Compared with | What it says |
|---|---|
| Every car in the data | 5.4% of tests record it — this model is 2.3× that share |
| The 368 models compared | 38 of 368, highest first |
| The model's own record | 44,719 tests · every year of the TX4 → |
A share of tests is not a probability for your car: it counts every London Taxis Int TX4 tested, whatever its mileage, service history and use. The like-for-like comparison on the model page is the fairer number.
Year by year
In 2007, 6.8% of this model's tests recorded it; in 2017, 2.1%. The share has fallen 4.7 points over that time. Worst year 2009 at 8.1%; best 2017 at 2.1%.
| Year | Failures recorded | Tests | Share of tests |
|---|---|---|---|
| 2007 | 234 | 3,430 | 6.8% |
| 2008 | 201 | 2,968 | 6.8% |
| 2009 | 373 | 4,610 | 8.1% |
| 2010 | 411 | 9,540 | 4.3% |
| 2011 | 580 | 11,985 | 4.8% |
| 2012 | 390 | 10,455 | 3.7% |
| 2013 | 537 | 11,196 | 4.8% |
| 2014 | 1,084 | 24,264 | 4.5% |
| 2015 | 998 | 21,996 | 4.5% |
| 2016 | 593 | 16,824 | 3.5% |
| 2017 | 223 | 10,788 | 2.1% |
Years with fewer than 0.2% of tests recording the item are left out: a year with two failures in 400 tests is noise, and this table is not here to make noise look like a trend.
What it costs
A typical UK repair for this item is £200–£700 fitted. It is a job for a garage, not a driveway. What the part is, and what to buy →
Prices are typical UK supply-and-fitting estimates, not quotes. What happens if it fails covers the retest rules.
Where this sits
- Engine oil leaking excessively: every model, every year → — the item's own page, with the part guide.
- London Taxis Int TX4 MOT pass rate by year → — the model's whole record, and what else it fails on.
- Every London Taxis Int model →