IsItAGoodCar
Reliability Guide

Common Problems with the
2007 Mitsubishi Shogun Mk4

The 2007 launch of the Mk4 Shogun was essentially a very heavy facelift of the Mk3. It retained the same unibody chassis and 3.2-litre engine but featured vastly improved interior quality and more modern styling.

What changed for 2007

  • •Debut of the heavily revised Mk4 Shogun.
  • •Major interior overhaul and exterior styling update, whilst retaining the Mk3 platform.

Common MOT watch-outs

  • !EGR valve and DPF blockages on the updated 3.2 DI-D engine.
  • !Corrosion on the rear subframe and brake lines.
4
Known Issues
1
Serious
3
Moderate
0
Minor

All Known Issues

Rear Subframe Structural Rust

SeriousBodywork & Rust

While the Mk4 has better rust protection than the Mk3, the rear subframe and its mounting points remain highly susceptible to structural rot in the UK.

Est. Repair Cost: £600–£2,000
Warning Signs:

Heavy flaking rust on the rear subframe, MOT failure for structural corrosion, Knocking from the rear suspension

What to Inspect:
  • Inspect the subframe where it mounts to the body; these areas can rot from the inside out
Verified by IsItAGoodCar Research Team

Fuel Filler Pipe Corrosion

ModerateFuel System

The metal pipe from the filler cap to the tank is prone to rusting through, allowing dirt and water into the fuel system.

Est. Repair Cost: £200–£400
Warning Signs:

Smell of diesel near the rear wheel arch, Engine stumbling due to contaminated fuel

What to Inspect:
  • Inspect the pipe behind the plastic guard in the rear wheel arch
Verified by IsItAGoodCar Research Team

Super Select 4WD Vacuum or Solenoid Fault

ModerateGearbox & Transmission

Vacuum leaks, tired solenoids or seized actuators can stop the four-wheel-drive system engaging or disengaging properly, often with a flashing dash light.

Est. Repair Cost: £150–£800
Warning Signs:

Flashing 4WD light, Won’t select 4H or 4L cleanly, Drivetrain stays in the wrong mode

What to Inspect:
  • Engage every mode during the test drive
  • Check for a flashing indicator that never settles
  • Inspect for split vacuum hoses or evidence of previous repair
Verified by IsItAGoodCar Research Team

3.2 DI-D Injector and Fuel-System Trouble

ModerateFuel System

Higher-mileage 3.2 diesels can develop injector-related rough running, smoky starts and difficult starting, especially if rust or contamination has reached the fuel system.

Est. Repair Cost: £300–£1,500
Warning Signs:

Hard starting, Black smoke at idle or startup, Rough running under light load

What to Inspect:
  • Start the engine from cold and watch the exhaust
  • Listen for uneven idle once warm
  • Ask about injector, pump or fuel-system work in the history
Verified by IsItAGoodCar Research Team

Buying Tips for 2007 Mitsubishi Shogun Mk4

  • The 3.2 DI-D engine is incredibly robust, but the timing chain top guide must be checked or replaced to prevent engine failure.
  • Check the operation of the climate control system, as the rear air conditioning pipes are prone to corroding and leaking.