These groups combine equivalent MOT comments, such as the same tyre note on different corners. Counts are comment occurrences in the sample, not a percentage of cars.
Tyre wear
VehicleScore MOT data includes 131 advisory comments and 26 failure comments in this group. Seen as both an advisory and a failure reason. These are comment occurrences, not a share of all cars.
These MOT comments record tyres that were worn, damaged, or close to the legal tread depth when the car was inspected.
What to inspect
Check the tread depth and look for uneven wear, cracking, or damage on all four tyres.
Example MOT wording: NEARSIDE FRONT TYRE WORN CLOSE TO THE LEGAL LIMIT (4.1.E.1)
Corrosion
VehicleScore MOT data includes 52 advisory comments and 29 failure comments in this group. Seen as both an advisory and a failure reason. These are comment occurrences, not a share of all cars.
These MOT comments record corrosion the tester could see on the body or structure. Corrosion already named on a spring, brake, or other component is counted with that component.
What to inspect
Inspect the underside, sills, and subframe for heavy corrosion, especially where an advisory mentions it.
Example MOT wording: NEARSIDE REAR SUSPENSION COMPONENT MOUNTING PRESCRIBED AREA IS EXCESSIVELY CORRODED (2.4.A.3)
Oil leak
VehicleScore MOT data includes 53 advisory comments in this group. Seen mainly as an advisory. These are comment occurrences, not a share of all cars.
These MOT comments record an oil leak noted by the tester. Shock absorber misting is counted as a damper issue, not as an engine oil leak.
What to inspect
Look under the engine for fresh oil, and check the oil level.
Example MOT wording: OIL LEAK, BUT NOT EXCESSIVE (8.4.1 (A) (I))
Windscreen damage
VehicleScore MOT data includes 39 failure comments in this group. Seen mainly as a failure reason. These are comment occurrences, not a share of all cars.
These MOT comments record chips, cracks, or other windscreen damage in the driver’s view.
What to inspect
Look for chips and cracks, especially in the area swept by the wipers.
Example MOT wording: WINDSCREEN WASHER PROVIDES INSUFFICIENT WASHER LIQUID (8.2.3)
Brake disc wear
VehicleScore MOT data includes 35 advisory comments in this group. Seen mainly as an advisory. These are comment occurrences, not a share of all cars.
These MOT comments record brake discs that were worn, scored, pitted, or corroded.
What to inspect
Look at the disc faces for deep scoring, a lip at the edge, and corrosion.
Example MOT wording: NEARSIDE FRONT BRAKE DISC WORN, PITTED OR SCORED, BUT NOT SERIOUSLY WEAKENED (3.5.1I)
Emissions test issues
VehicleScore MOT data includes 23 failure comments in this group. Seen mainly as a failure reason. These are comment occurrences, not a share of all cars.
These MOT comments record an exhaust emissions result. They are counted separately from a warning lamp or a catalytic converter note.
What to inspect
Ask for the emissions printout and whether any repair followed a failed test.
Example MOT wording: EXHAUST EMISSIONS CARBON MONOXIDE CONTENT AFTER 2ND FAST IDLE EXCESSIVE (7.3.D.3)
Exhaust
VehicleScore MOT data includes 20 failure comments in this group. Seen mainly as a failure reason. These are comment occurrences, not a share of all cars.
These MOT comments record exhaust leaks, insecurity, or other exhaust defects found at inspection.
What to inspect
Listen for blowing from the exhaust and look for corrosion or loose mounts.
Example MOT wording: EXHAUST CARBON MONOXIDE CONTENT AFTER 2ND FAST IDLE EXCEEDS DEFAULT LIMITS (8.2.1.2 (B))
Parking brake faults
VehicleScore MOT data includes 19 failure comments in this group. Seen mainly as a failure reason. These are comment occurrences, not a share of all cars.
These MOT comments record a parking brake that did not hold well enough or had a component defect.
What to inspect
Test that the parking brake holds the car on a slope and releases cleanly.
Example MOT wording: PARKING BRAKE: EFFICIENCY BELOW REQUIREMENTS (3.7.B.7)
