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 30 advisory comments and 7 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: OFFSIDE REAR TYRE WORN CLOSE TO THE LEGAL LIMIT (4.1.E.1)
Brake disc wear
VehicleScore® MOT data includes 19 advisory comments and 6 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: REAR BRAKE DISC WORN, PITTED OR SCORED, BUT NOT SERIOUSLY WEAKENED (1.1.14 (A) (II))
Steering rack issues
VehicleScore® MOT data includes 11 advisory comments and 7 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 play, a leak, or a damaged gaiter on the steering rack.
What to inspect
Check for play at the steering wheel and look for split rack gaiters.
Example MOT wording: OFFSIDE PLAY IN STEERING RACK INNER JOINT(S)
Emissions test issues
VehicleScore® MOT data includes 12 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)
Windscreen damage
VehicleScore® MOT data includes 9 advisory comments and 3 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 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 HAS DAMAGE TO AN AREA LESS THAN A 10MM CIRCLE WITHIN ZONE 'A' (8.3.1A)
Lambda sensor issues
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 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 EMISSIONS LAMBDA READING AFTER 2ND FAST IDLE OUTSIDE SPECIFIED LIMITS (7.3.D.3)
Exhaust
VehicleScore® MOT data includes 10 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 MANUFACTURER'S SPECIFIED LIMITS (8.2.1.2 (A))
Track rod wear
VehicleScore® MOT data includes 9 advisory comments in this group. Seen mainly as an advisory. These are comment occurrences, not a share of all cars.
These MOT comments record play or damage at a track rod or track rod end.
What to inspect
Check for play when the steering wheel is rocked and listen for a knock while turning.
Example MOT wording: OFFSIDE TRACK ROD END BALL JOINT DUST COVER DETERIORATED, BUT PREVENTING THE INGRESS OF DIRT (2.2.C.1C)