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 208 advisory comments and 31 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 SLIGHTLY DAMAGED/CRACKING OR PERISHING (5.2.3 (D) (II))
Corrosion
VehicleScore MOT data includes 145 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 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 FRONT BRAKE PIPE CORRODED, COVERED IN GREASE OR OTHER MATERIAL (1.1.11 (C))
Coil spring issues
VehicleScore MOT data includes 66 advisory comments and 22 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))
Brake disc wear
VehicleScore MOT data includes 23 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: FRONT BRAKE DISC WORN, PITTED OR SCORED, BUT NOT SERIOUSLY WEAKENED (1.1.14 (A) (II))
Oil leak
VehicleScore MOT data includes 22 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))
Ball joint wear
VehicleScore MOT data includes 16 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 worn or damaged ball joint. Track rod ends are counted with steering, not here.
What to inspect
Ask for the joint to be checked for play with the suspension loaded and unloaded.
Example MOT wording: NEARSIDE FRONT LOWER SUSPENSION ARM BALL JOINT EXCESSIVELY WORN (5.3.4 (A) (I))
Parking brake faults
VehicleScore MOT data includes 8 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))
Engine warning lamp
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 an engine warning lamp that was on, or did not work, during the inspection.
What to inspect
Switch on the ignition and confirm the lamp comes on and then goes out. Ask what was diagnosed if it stayed on.
Example MOT wording: ENGINE MIL INOPERATIVE OR INDICATES A MALFUNCTION (8.2.1.2 (H))