IsItAGoodCar
Reliability Guide

Common Problems with the
2000 Isuzu Trooper (Mk2)

Late-phase Trooper production introduced the flagship Insignia trim with full leather, revised 4JX1 engine electronics, and rugged two-seater Commercial van models popular with rural UK enterprises.

What changed for 2000

  • •Top-of-the-range Insignia trim launched featuring full leather upholstery, climate control, and wood trim
  • •Factory modifications to 4JX1 oil pressure sensors, injector harness grommets, and engine management software
  • •Popularity of VAT-reclaiming Commercial LWB van variants with blanked rear windows and flat cargo beds
  • •Reinforced rear towbar hitch installation rated for 3,300kg to 3,500kg towing duty

Common MOT watch-outs

  • !Advanced chassis perforation around rear coil spring perches and rear bumper mounting plates
  • !Seized rear brake calipers and rusted rear brake disc backing plates leading to brake imbalance
3
Known Issues
2
Serious
1
Moderate
0
Minor

All Known Issues

3.0L (4JX1) Injector Seal Failure

SeriousEngine

A notorious issue where the injector O-rings fail, allowing diesel to enter the engine oil. This can cause the engine to "run away" on its own oil or fail to start.

Est. Repair Cost: £600–£1,500
Warning Signs:

Rising oil level, Engine oil smelling of diesel, Failure to start when hot

What to Inspect:
  • Check the dipstick for thin, diesel-scented oil
  • Check for evidence of the official Isuzu recall fix
Verified by IsItAGoodCar Research Team

Catastrophic Chassis Rot

SeriousSuspension & Chassis

Troopers are unfortunately famous for chassis rot. Many have been scrapped because the chassis rails simply disintegrated.

Est. Repair Cost: £1,000+
Warning Signs:

Flaking metal on the chassis, Visible holes

What to Inspect:
  • Hammer test the entire length of the chassis rails
Verified by IsItAGoodCar Research Team

Dual Mass Flywheel (DMF) Failure

ModerateGearbox & Transmission

Later manual models use a DMF that can fail, leading to vibration and expensive repairs.

Est. Repair Cost: £800–£1,200
Warning Signs:

Vibration through the clutch pedal, Clunking noise when starting or stopping the engine

What to Inspect:
  • Listen for a rattle at idle that disappears when the clutch is pressed
Verified by IsItAGoodCar Research Team

Buying Tips for 2000 Isuzu Trooper (Mk2)

  • Demand documented proof of oil and filter changes every 3,000 to 5,000 miles using high-grade 5W-30 or 10W-40 oil
  • Test Torque-on-Demand (TOD) automatic 4WD on grass or gravel to confirm the front axle engages without shuddering
  • Check that the oil pressure builds rapidly on cold startup; sluggish oil pressure indicates a failing high-pressure oil pump
19992001–2005
Check a 2000 Isuzu Trooper (Mk2) by Registration