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MOT History from tests of petrol MG Bs year 1991

Review the list of common MG B failures below or to perform a specific mot history check on your MG then use our popular KnowYourCar service

mot history
Pass percent:64.52%
(The average a petrol MG B year 1991 passes without issue)
Based on:31 MOT Tests
Most common failuresNo# failures
Registration plate lamp issues2
Nearside Parking (secondary brake) on a single line braking system has inadequate effort at a wheel (1.3.1 (a) (i))1
Offside Parking (secondary brake) on a single line braking system has inadequate effort at a wheel (1.3.1 (a) (i))1
Service brake efficiency below requirements (1.2.2 (a) (i))1
Parking brake efficiency below requirements (1.4.2 (a) (i))1
Offside Front Floor excessively deteriorated holed near inner sill (6.2.4 (a) (i))1
Nearside Rear Service brake excessively binding (1.2.1 (f))1
All direction indicators not working (4.4.1 (a) (ii))1
Exhaust emissions carbon monoxide content excessive 5.6 percent (8.2.1.2 (b))1
Offside Rear Service brake excessively binding (1.2.1 (f))1
Brakes imbalanced across an axle1
Nearside Steering rack gaiter insecure |2.2.D.2d|1
Offside Front Sub-frame corroded and seriously weakened (5.3.3 (b) (i))1
Nearside Rear position lamp|s| not working |1.1.A.3b|1
Offside Outer Track rod end ball joint has excessive play |2.2.B.1f|1
Parking brake: efficiency below requirements |3.7.B.7|1
Nearside Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt |2.1.3 |g| |ii||1
Offside Suspension component pin or bush excessively worn vertical play in king pin |5.3.4 |a| |i||1
Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a|1
Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a|1
Offside Stop lamp not working |1.2.1b|1
Offside Front Direction indicator not working |1.4.A.2c|1
Offside Rear Direction indicator flashing less than 60 times a minute |1.4.A.2g|1
Nearside Headlamp not working on main beam |1.7.5a|1
Offside Headlamp not working on main beam |1.7.5a|1
Centre Exhaust has a major leak of exhaust gases |7.1.2|1
Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b))1
Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b))1
Windscreen wiper not working (3.4 (a))1
Headlamp aim out of alignment1
Front Side repeater not working Both (4.4.1 (a) (ii))1
Rear fog lamp missing (4.5.1 (a) (ii))1
Hazard warning switch inoperative (4.4.2 (a) (ii))1

We get to these numbers by trawling through over 1 billion MOT test results since 2004 and crunched the numbers. We remove anything to do with Tyres, as they are model independent and group together common non-model specific issues. We are trying to get to a picture of what models have what issues.

Please note: We take the data from the DVSA. This data is raw and can contain typos and spelling mistakes that garages may have entered while recording a MOT result. Specifically miss-match on names of models and makes. We are constantly cleaning the data so bear with the odd issue.

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