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 211 advisory comments and 12 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 LEGAL LIMIT/WORN ON EDGE (5.2.3 (E))
Brake disc wear
VehicleScore MOT data includes 143 advisory comments and 9 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 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: FRONT BRAKE DISC WORN, PITTED OR SCORED, BUT NOT SERIOUSLY WEAKENED (1.1.14 (A) (II))
Coil spring issues
VehicleScore MOT data includes 42 advisory comments and 12 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 coil springs that were corroded, fractured, or otherwise defective. They are counted separately from shock absorbers.
What to inspect
Look for a broken or heavily corroded spring and compare the ride height on both sides.
Example MOT wording: NEARSIDE REAR COIL SPRING CORRODED (5.3.1 (B) (I))
Oil leak
VehicleScore MOT data includes 32 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))
Lamp and bulb faults
VehicleScore MOT data includes 13 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 lamp or bulb other than a headlamp or indicator.
What to inspect
Switch on the side, brake, fog, and number-plate lamps.
Example MOT wording: OFFSIDE FRONT POSITION LAMP NOT WORKING (4.2.1 (A) (II))
Indicator faults
VehicleScore MOT data includes 11 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 indicator or side repeater that was not working or was insecure.
What to inspect
Check every indicator, including the side repeaters.
Example MOT wording: NEARSIDE REAR DIRECTION INDICATOR INCORRECT COLOUR (4.4.3 (A))
Parking brake faults
VehicleScore MOT data includes 7 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 (1.4.2 (A) (I))
Lambda sensor issues
VehicleScore MOT data includes 6 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 lambda sensor reading or defect noted at the test.
What to inspect
Ask whether a sensor or emissions fault has been diagnosed since the test.
Example MOT wording: EXHAUST LAMBDA READING AFTER 2ND FAST IDLE OUTSIDE SPECIFIED LIMITS (8.2.1.2 (C))
