Isuzu TF Reliability and Common Problems
What the Isuzu TF fails its MOT on, with rough repair costs, and its MOT pass rate for each model year. Based on 2,790 MOT tests across 4 model years (DVSA data for tests carried out in 2024, retests included).
Segment: large car | Fuel: Diesel
73%
Isuzu TF pass rate
78%
Isuzu average
82%
All-model average
The Isuzu TF has an average MOT pass rate of 73%, which is 5 points below the Isuzu average and 9 points below the average across all models in our data. The Isuzu TF has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.
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What the Isuzu TF Fails Its MOT On
Of the 633 MOT tests on the Isuzu TF that failed at the first attempt in 2025, the share that failed on each part of the test, next to the share for all cars and vans of the same ages. A test that failed on two areas counts in both.
Lights and electrics
59%Cars and vans the same age: 45% (the TF fails on this more often) · Typical repair £15-£200
Suspension
50%Cars and vans the same age: 40% · Typical repair £150-£600
Brakes
30%Cars and vans the same age: 24% (the TF fails on this more often) · Typical repair £80-£450
Body, chassis and structure
24%Cars and vans the same age: 14% (the TF fails on this more often) · Typical repair £200-£1200
Windscreen, wipers and mirrors
17%Cars and vans the same age: 14% · Typical repair £10-£350
The 3 single faults it failed on most
- Position lamp: not working (19% of failed tests, lights and electrics)
- Rear fog lamp: not working (11% of failed tests, lights and electrics)
- Headlamp aim: projected beam image is obviously incorrect (11% of failed tests, lights and electrics)
Source: CarCostCheck analysis of DVSA anonymised MOT test results and failure items for 2025: first attempt at each MOT, fail and pass-after-repair defects, DVSA's defect categories (names shortened). Repair costs are rough UK ranges, not quotes. Method and national figures: MOT failure reasons 2025.
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Isuzu TF Reliability by Year
MOT pass rate for each model year, from DVSA data for tests carried out in 2024 (retests included). Newer cars usually pass more often simply because they are younger. Highest and lowest are marked among years with 100+ tests that were at least three years old when tested. Fuel and engine size are a guide only.
Isuzu TF Running Costs
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Isuzu TF FAQ
What are the most common Isuzu TF problems?
In 2025, MOT tests on the Isuzu TF that failed at the first attempt most often failed on lights and electrics (59% of the 633 failed tests), suspension (50%) and brakes (30%). The single most common fault was "Position lamp: not working" (19%). Across 2,790 MOT tests (DVSA MOT data for tests in 2024, retests included), 73% ended in a pass.
Is the Isuzu TF reliable?
The Isuzu TF has an average MOT pass rate of 73%, from 2,790 MOT tests. That is 9 points below the average across all models in our data (82%), so budget for potential repairs. Pass rates fall as cars age, so compare it with cars of a similar age.
Which year Isuzu TF is the most reliable?
Of the years with at least 100 tests that were old enough for a routine MOT, the 2012 Isuzu TF has the highest MOT pass rate: 74% of its 570 tests ended in a pass. The 2010 has the lowest at 72%. Newer cars usually pass more often simply because they are younger, so the pass rate is only part of the picture.
How much does it cost to fix common Isuzu TF faults?
As a rough guide, brake work on an Isuzu TF typically costs £80-£450 and suspension repairs £150-£600, while exhaust and emissions fixes can cost £80-£800. Lighting and wiper fixes are usually under £200.
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Other Isuzu Models
Common problems pages for other Isuzu models