1997 Isuzu Trooper diesel: common problems and MOT failures
What MOT testers find on the diesel Isuzu Trooper first registered in 1997 (diesel cars only): we looked at the 551 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.
What goes wrong more than usual on a 1997 Isuzu Trooper diesel?
Parts flagged at MOT more often on the 1997 Isuzu Trooper diesel than on all cars registered in 1997.
- Rigid brake pipes2.1× usualIsuzu Trooper31% All 1997 cars14.6%
Failed outright at MOT: 4%, against 2.1% of all 1997 cars. The rest were advisories or minor defects.
Rough price £100–£400 our estimateAt the viewing: Ask to see underneath, or check the MOT advisories: corroded brake or fuel pipes get worse every year and fail the MOT when they do.
- Drive shaft (CV) joints4.2× usualIsuzu Trooper19.1% All 1997 cars4.5%
Failed outright at MOT: 9.4%, against 1.9% of all 1997 cars. The rest were advisories or minor defects.
Rough price £60–£350 our estimateAt the viewing: Drive slowly on full steering lock in both directions and listen for clicking. Look for split rubber boots behind the front wheels.
- Chassis rust or damage3.4× usualIsuzu Trooper19.8% All 1997 cars5.9%
Failed outright at MOT: 5.3%, against 2% of all 1997 cars. The rest were advisories or minor defects.
Rough price £150–£1,000 our estimateAt the viewing: Check the sills, wheel arches and underneath for rust, and look along the panels for uneven gaps or paint.
- Wheel bearings2.8× usualIsuzu Trooper18.7% All 1997 cars6.8%
Failed outright at MOT: 2.5%, against 1.2% of all 1997 cars. The rest were advisories or minor defects.
Rough price £120–£300 (one bearing) ClickMechanicAt the viewing: Listen for a hum or growl that changes as you steer at speed.
- Ball joint dust cover3.1× usualIsuzu Trooper10% All 1997 cars3.2%
Failed outright at MOT: 3.6%, against 1% of all 1997 cars. The rest were advisories or minor defects.
Rough price £60–£150 (one joint) ClickMechanicAt the viewing: Listen for knocking over bumps and check the rubber boots behind the wheels aren't split.
Rust around suspension or steering mountings: 3.6% here, against 8.2% of all 1997 cars.
Common 1997 Isuzu Trooper diesel MOT failures and advisories
The share of 1997 Isuzu Trooper diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Brakes44% of testsRough price £150–£350
At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.
- Suspension42% of testsRough price £120–£400
At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.
- Lights and electrics34% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Rust and bodywork29% of testsRough price £150–£1,000
At the viewing: Check the sills, wheel arches and underneath for rust, and look along the panels for uneven gaps or paint.
- Oil and fluid leaks19% of testsRough price £80–£600
At the viewing: Look under the engine and on the ground where the car is usually parked for fresh oil or fluid.
- Tyres19% of testsRough price £70–£150
At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.
Questions to ask the seller before buying a 1997 Isuzu Trooper diesel
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Any recent work on the rigid brake pipes? (Flagged at MOT 2.1× as often on the 1997 Isuzu Trooper diesel as on other cars the same age.)
- Any recent work on the drive shaft (cv) joints? (Flagged at MOT 4.2× as often on the 1997 Isuzu Trooper diesel as on other cars the same age.)
- Any recent work on the chassis rust or damage? (Flagged at MOT 3.4× as often on the 1997 Isuzu Trooper diesel as on other cars the same age.)
- Can I see the service history and receipts for any big jobs?
Looking at an Isuzu Trooper?
Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.
Other years
Every year of the Isuzu Trooper compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2006 | 117 | Brakes 50% |
| 2005 | 457 | Brakes 49% |
| 2004 | 679 | Brakes 46% |
| 2003 | 730 | Brakes 42% |
| 2002 | 917 | Brakes 44% |
| 2001 | 563 | Brakes 43% |
| 2000 | 573 | Brakes 47% |
| 1999 | 637 | Brakes 48% |
| 1998 | 656 | Brakes 43% |
| 1996 | 266 | Brakes 49% |
| 1995 | 163 | Brakes 46% |
| 1994 | 153 | Brakes 42% |
| 1993 | 152 | Suspension 36% |
| 1992 | – | Too few tests |
| 1991 | – | Too few tests |
| 1990 | – | Too few tests |
| 1989 | – | Too few tests |
| 1988 | – | Too few tests |
| 1987 | – | Too few tests |
Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Isuzu Trooper cars first registered in 1997. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score