the UK all vehicles over 3 years old are legally required to undergo an
MOT. The MOT is there to ensure the VOSA can monitor consistent safety
and environmental standards of vehicles.
|According to VOSA, 41% of the 26m
cars and light vans†
presented for an MOT test (from April 2009 to March 2010) failed at the
|On average they recorded 3.18 defects
|The Top 10 defect reasons are;
||Drivers view of road
||Fuel and exhaust
||Body & Structure
to Class 3 & 4: Cars and light vans up to 3,000Kg
As part of the Diesel
MOT test you may be asked questions about your vehicle's maintenance
history, for example, has the timing belt been replaced recently?
What's so important
The check has been
designed to make sure, as far as possible, that no damage occurs to the
engine whilst undergoing a diesel emissions test.
The tester has to
satisfy himself that the engine is in a fit condition to test. If the
tester thinks that the emissions test may damage your vehicle, he may
refuse to test it.
How is this emissions
After checking the oil
temperature to ensure the engine is warm, the MOT tester will
accelerate the engine from idle until the governor cuts in a maximum of
6 times. Your engine will not be held at full speed for any length of
If your engine has been
properly maintained, the test should not cause any damage to your