At a Glance
The Isuzu Grafter has 35 identified common problems across 2 generations (2007–present), with the Mk1 (1993-2008) being the most affected generation and brakes the most common problem category. Based on 61K 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 Grafter 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 Grafter 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.
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Browse Isuzu Grafter Generations
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Most Common Isuzu Grafter MOT Failures
Every reason Isuzu Grafter 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 | Wiper blades deteriorated | 11.01% |
| 2 | Tyre tread depth below limit | 7.58% |
| 3 | Stop lamp not working | 7.31% |
| 4 | Tyre condition | 6.35% |
| 5 | Brake hydraulic component worn | 5.33% |
| 6 | Number plate lamp not working | 5.08% |
| 7 | Exhaust system fault | 4.41% |
| 8 | Suspension joint or bush worn | 4.18% |
| 9 | Windscreen washer not working | 3.75% |
| 10 | Brake performance below minimum | 3.32% |
| 11 | Windscreen damage affecting view | 3.17% |
| 12 | Headlamp aim defect | 2.62% |
| 13 | Position lamp not working | 2.21% |
| 14 | Rigid brake pipe corroded or damaged | 2.14% |
| 15 | Headlamp fault | 1.85% |
| 16 | Brake pads or linings worn | 1.71% |
| 17 | Shock absorber worn or leaking | 1.70% |
| 18 | Front lamp not working | 1.62% |
| 19 | Front suspension joint worn | 1.38% |
| 20 | Parking brake performance below minimum | 1.31% |
| 21 | Brake disc or drum worn | 1.11% |
| 22 | Fog lamp not working | 1.09% |
| 23 | Seat belt condition | 1.05% |
| 24 | Spark ignition emissions above threshold | 0.98% |
| 25 | Rear lamp not working | 0.97% |
| 26 | Compression ignition emissions above threshold | 0.92% |
| 27 | Ball joint dust cover split | 0.77% |
| 28 | Mirror damaged or missing | 0.70% |
| 29 | Parking brake condition | 0.67% |
| 30 | Track rod end worn | 0.60% |
| 31 | Indicator fault | 0.55% |
| 32 | Horn not working | 0.47% |
| 33 | Chassis condition | 0.42% |
| 34 | Front suspension fault | 0.41% |
| 35 | Rear reflector damaged or missing | 0.40% |
| 36 | ABS fault | 0.40% |
| 37 | Battery loose or leaking | 0.37% |
| 38 | Body corrosion or damage | 0.35% |
| 39 | Flexible brake hose damaged | 0.34% |
| 40 | Outline marker lamp not working | 0.34% |
| 41 | Brake lever fault | 0.33% |
| 42 | Dropside damaged or insecure | 0.31% |
| 43 | Tyre size or type not matched | 0.30% |
| 44 | Engine oil leak | 0.29% |
| 45 | Power steering pipe or hose leaking | 0.28% |
| 46 | Leaf spring broken or corroded | 0.27% |
| 47 | Wheel bearing worn | 0.27% |
| 48 | Electrical wiring fault | 0.26% |
| 49 | Vehicle structure corrosion | 0.26% |
| 50 | Towbar fault | 0.25% |
| 51 | Fuel cap damaged or missing | 0.24% |
| 52 | Drag link end worn | 0.22% |
| 53 | King pin or swivel pin worn | 0.20% |
| 54 | Electrical switch fault | 0.20% |
| 55 | Rear fog lamp not working | 0.19% |
| 56 | Airbag warning light on | 0.19% |
| 57 | Steering box fault | 0.18% |
| 58 | Bumper damaged or insecure | 0.17% |
| 59 | Body security fault | 0.16% |
| 60 | Headlamp levelling device fault | 0.15% |
| 61 | Spring mounting corroded | 0.14% |
| 62 | Brake pedal movement restricted | 0.13% |
| 63 | Brake pedal fault | 0.13% |
| 64 | Fuel tank corroded or leaking | 0.13% |
| 65 | Steering free play excessive | 0.13% |
| 66 | Load sensing valve fault | 0.13% |
| 67 | Suspension mounting corroded | 0.12% |
| 68 | Steering drive system fault | 0.12% |
| 69 | Daytime running lamp not working | 0.12% |
| 70 | Brake fluid level low or contaminated | 0.11% |
| 71 | Reversing lamp not working | 0.11% |
| 72 | Tailgate damaged or insecure | 0.11% |
| 73 | Steering lock fault | 0.11% |
| 74 | Spare wheel fault | 0.11% |
| 75 | Hinged tailboard damaged or insecure | 0.10% |
| 76 | Driver seat fault | 0.10% |
| 77 | Rear fog lamp warning light fault | 0.10% |
| 78 | Steering arm worn | 0.10% |
| 79 | Stub axle worn | 0.10% |
| 80 | Brake fluid leak | 0.09% |
| 81 | Leaf spring eye worn or broken | 0.09% |
| 82 | Securing bolts missing or insecure | 0.09% |
| 83 | Steering damper fault | 0.09% |
| 84 | Dashboard warning lamp fault | 0.08% |
| 85 | Brake caliper fault | 0.08% |
| 86 | Fuel pipe corroded or damaged | 0.06% |
| 87 | Brake fluid warning light on | 0.06% |
| 88 | Step damaged or insecure | 0.06% |
| 89 | Driveshaft fault | 0.05% |
| 90 | Exhaust leak | 0.05% |
| 91 | Propshaft fault | 0.05% |
| 92 | Brake pressure or vacuum buildup insufficient | 0.05% |
| 93 | Steering column fault | 0.05% |
| 94 | Brake servo fault | 0.05% |
| 95 | Rear suspension fault | 0.04% |
| 96 | Front fog lamp not working | 0.04% |
| 97 | Steering intermediate drop arm worn | 0.04% |
| 98 | Electronic stability control fault | 0.04% |
| 99 | Speedometer fault | 0.04% |
| 100 | Steering rack fault | 0.04% |
| 101 | Hydraulic brake cylinder fault | 0.03% |
| 102 | Main beam warning light fault | 0.03% |
| 103 | Passenger seat fault | 0.03% |
| 104 | Transmission oil leak | 0.03% |
| 105 | Brake air or vacuum system fault | 0.03% |
| 106 | Mirror or camera fault | 0.03% |
| 107 | Anchor bracket corroded | 0.03% |
| 108 | Brake fluid reservoir fault | 0.03% |
| 109 | Power steering pump fault | 0.03% |
| 110 | Vehicle floor corroded | 0.03% |
| 111 | Window damaged or won't operate | 0.03% |
| 112 | Body strengthening plate corroded | 0.02% |
| 113 | Driver door fault | 0.02% |
| 114 | Leaf spring shackle bracket corroded | 0.02% |
| 115 | Steering wheel damaged or insecure | 0.02% |
| 116 | Axle corroded or damaged | 0.02% |
| 117 | Dip switch fault | 0.02% |
| 118 | Hydraulic fluid leak | 0.02% |
| 119 | Leaf spring slipper worn | 0.02% |
| 120 | Loading door damaged or insecure | 0.02% |
| 121 | Suspension unit fault | 0.02% |
| 122 | Power steering ram fault | 0.02% |
| 123 | Steering operation fault | 0.02% |
| 124 | Suspension linkage fault | 0.02% |
| 125 | Anti-roll bar worn or corroded | 0.02% |
| 126 | Brake cable, rod, lever or linkage fault | 0.02% |
| 127 | Coil spring broken or corroded | 0.02% |
| 128 | Fuel hose damaged or leaking | 0.02% |
| 129 | Steering lock stop fault | 0.02% |
| 130 | Tyre valve stem damaged | 0.02% |
| 131 | Universal joint worn | 0.02% |
| 132 | Additional braking device fault | 0.01% |
| 133 | Axle beam corroded or cracked | 0.01% |
| 134 | Brake valve fault | 0.01% |
| 135 | Driver airbag fault | 0.01% |
| 136 | Engine mounting worn or broken | 0.01% |
| 137 | Indicator warning light fault | 0.01% |
| 138 | Brake linkage mounting fault | <0.01% |
| 139 | Brake wheel cylinder fault | <0.01% |
| 140 | Cab corrosion or damage | <0.01% |
| 141 | Front passenger door fault | <0.01% |
| 142 | Subframe corrosion or damage | <0.01% |
| 143 | Suspension arm worn or corroded | <0.01% |
| 144 | Suspension retaining or locking device fault | <0.01% |
| 145 | Wheel hub fault | <0.01% |
| 146 | Steering coupling worn | <0.01% |
| 147 | Air brake cylinder or actuator fault | <0.01% |
| 148 | Electronic parking brake fault | <0.01% |
| 149 | Handbrake mechanism or mounting fault | <0.01% |
| 150 | Hazard warning light fault | <0.01% |
| 151 | Reversing lamp switch fault | <0.01% |
| 152 | Transmission drive belt fault | <0.01% |
| 153 | Access panel damaged or insecure | <0.01% |
| 154 | Bonnet catch or hinge fault | <0.01% |
| 155 | Brake master cylinder fault | <0.01% |
| 156 | Brake master cylinder or servo mounting fault | <0.01% |
| 157 | Catalytic converter efficiency low | <0.01% |
| 158 | CV joint worn | <0.01% |
| 159 | Electronic braking system fault | <0.01% |
| 160 | Exhaust emissions above threshold (non-catalyst) | <0.01% |
| 161 | Exhaust heat shield or sound insulation damaged | <0.01% |
| 162 | Full power hydraulic brake fault | <0.01% |
| 163 | Halfshaft fault | <0.01% |
| 164 | Handbrake cable fault | <0.01% |
| 165 | Handbrake lever fault | <0.01% |
| 166 | Spring saddle corroded | <0.01% |
| 167 | Subframe mounting corroded | <0.01% |
| 168 | Suspension linkage attachment bracket or mounting corroded | <0.01% |
| 169 | Torsion bar worn or corroded | <0.01% |
| 170 | Undertray damaged or missing | <0.01% |
Showing all 170 reasons — scroll inside the table for the full list.
Isuzu Grafter MOT Failures by Category
Total MOT failure occurrences for the Isuzu Grafter, 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 Grafter problems?
Based on analysis of 61K Isuzu Grafter MOT tests from DVSA data, we have 35 identified common problems across 2 generations. The most frequently flagged issue is "Number plate lamp not working". Brakes is the most common problem category.
Which Isuzu Grafter generation has the most problems?
The Isuzu Grafter Mk1 (1993-2008) (1993–2008) has the highest number of identified common problems (40). Click the generation card above for the full breakdown.
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 Grafter?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Isuzu Grafter owners spot problems early. All submissions are reviewed before being added to the public database.
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