At a Glance
The Isuzu Mu has 0 identified common problems across 2 generations (1989–2005) and brakes the most common problem category. Based on 316 MOT tests from DVSA data.
Problems are patterns in the DVSA data that occur significantly more often on a specific model than the UK average — confirmed at 99% statistical confidence. Read our DVSA MOT data methodology →
Below: generation-by-generation comparison of Isuzu Mu common problems, MOT failure types, and pass-rate data drawn from DVSA records. Click any generation to see fuel- and engine-specific fault patterns, mileage-banded repair guidance, and the most common MOT failures testers record.
MOT Tests & Failures by Generation
Isuzu Mu generations by MOT tests, failures, and identified problems from DVSA data
Hover over each bar for a full breakdown. Tap any bar to view that generation's problems.
Showing total MOT tests, failures, and known problems per make. Hover over each bar for a full breakdown.
Tell Us About Your Problem
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Tell Us About Your Problem
Help other Isuzu Mu owners — report a problem and we'll add it to the database
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Most Common Isuzu Mu MOT Failures
Every reason Isuzu Mu vehicles fail their MOT, ranked by frequency. Select an individual year to see only that year’s failures, or stay on ‘All time’ for the combined picture across our 20 years of DVSA data. Scroll inside the table for the full list.
| # | Failure | % of failures |
|---|---|---|
| 1 | Brake performance below minimum | 14.81% |
| 2 | Exhaust system fault | 6.85% |
| 3 | Suspension joint or bush worn | 6.67% |
| 4 | Fog lamp not working | 6.48% |
| 5 | Wiper blades deteriorated | 5.00% |
| 6 | Shock absorber worn or leaking | 4.81% |
| 7 | Brake hydraulic component worn | 4.63% |
| 8 | Number plate lamp not working | 4.26% |
| 9 | Windscreen washer not working | 3.89% |
| 10 | Tyre tread depth below limit | 3.70% |
| 11 | Driveshaft fault | 3.33% |
| 12 | Headlamp aim defect | 3.33% |
| 13 | Front suspension fault | 2.78% |
| 14 | Stop lamp not working | 2.59% |
| 15 | Indicator fault | 2.22% |
| 16 | Suspension mounting corroded | 2.22% |
| 17 | Brake pads or linings worn | 1.85% |
| 18 | Body corrosion or damage | 1.48% |
| 19 | Chassis condition | 1.48% |
| 20 | Brake disc or drum worn | 1.30% |
| 21 | Front suspension joint worn | 1.30% |
| 22 | Front lamp not working | 1.11% |
| 23 | Leaf spring broken or corroded | 1.11% |
| 24 | Parking brake condition | 1.11% |
| 25 | Track rod end worn | 1.11% |
| 26 | Fuel cap damaged or missing | 0.74% |
| 27 | Horn not working | 0.74% |
| 28 | Tyre condition | 0.74% |
| 29 | Handbrake cable fault | 0.56% |
| 30 | Mirror damaged or missing | 0.56% |
| 31 | Rear lamp not working | 0.56% |
| 32 | Rigid brake pipe corroded or damaged | 0.56% |
| 33 | Spring mounting corroded | 0.56% |
| 34 | Steering box fault | 0.56% |
| 35 | Brake fluid leak | 0.37% |
| 36 | Brake lever fault | 0.37% |
| 37 | Leaf spring eye worn or broken | 0.37% |
| 38 | Position lamp not working | 0.37% |
| 39 | Brake caliper fault | 0.19% |
| 40 | Brake pedal fault | 0.19% |
| 41 | Brake pedal movement restricted | 0.19% |
| 42 | Brake pressure or vacuum buildup insufficient | 0.19% |
| 43 | Compression ignition emissions above threshold | 0.19% |
| 44 | CV joint worn | 0.19% |
| 45 | Dashboard warning lamp fault | 0.19% |
| 46 | Drag link end worn | 0.19% |
| 47 | Electrical switch fault | 0.19% |
| 48 | Fuel tank corroded or leaking | 0.19% |
| 49 | Headlamp fault | 0.19% |
| 50 | Leaf spring shackle bracket corroded | 0.19% |
| 51 | Seat belt condition | 0.19% |
| 52 | Spark ignition emissions above threshold | 0.19% |
| 53 | Steering column fault | 0.19% |
| 54 | Steering intermediate drop arm worn | 0.19% |
| 55 | Steering lock fault | 0.19% |
| 56 | Suspension retaining or locking device fault | 0.19% |
| 57 | Windscreen damage affecting view | 0.19% |
Showing all 57 reasons — scroll inside the table for the full list.
Isuzu Mu MOT Failures by Category
Total MOT failure occurrences for the Isuzu Mu, grouped by category. Same data as the failures table above — just sliced by category instead of fault title. Hover a slice for the top failures in each category.
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Frequently Asked Questions
What are the most common Isuzu Mu problems?
Based on analysis of 316 Isuzu Mu MOT tests from DVSA data, we have 0 identified common problems across 2 generations. Brakes is the most common problem category.
Which Isuzu Mu generation has the most problems?
We haven't identified significant problem patterns specific to any single generation of the Isuzu Mu yet — either this is a well-engineered model across all its generations, or the sample size per generation is still small. Check individual generation pages for MOT failure and advisory breakdowns.
How is this data calculated?
We analyse anonymised DVSA MOT test records under the Open Government Licence. An issue is classified as a "Common Problem" when it occurs significantly more often on a specific model than the UK average, confirmed at 99% statistical confidence. Read the full methodology page for details.
Can I report a problem with my Isuzu Mu?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Isuzu Mu owners spot problems early. All submissions are reviewed before being added to the public database.
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