IsItAGoodCar
Reliability Guide

Common Problems with the
2003 Mitsubishi Lancer Evolution VII-IX

The Evolution VIII arrived with sharper, more aggressive styling (the 'beak' grille) and a crucial mechanical upgrade: a six-speed manual gearbox on the FQ models and Super Active Yaw Control (Super AYC).

What changed for 2003

  • •Introduction of the Evo VIII with revised front-end styling.
  • •Debut of Super AYC and a six-speed manual gearbox on higher-spec models.

Common MOT watch-outs

  • !Wear on the complex multi-link suspension components.
  • !Emissions failures due to heavily modified exhaust systems or failing catalytic converters.
3
Known Issues
2
Serious
0
Moderate
1
Minor

All Known Issues

AYC Pump Failure

SeriousGearbox & Transmission

The Active Yaw Control pump is exposed to the elements and frequently fails due to internal corrosion.

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

Three dash lights (Tarmac, Gravel, Snow) illuminated simultaneously, Buzzing noise from the rear, Lack of AWD traction

What to Inspect:
  • Check that the three ACD/AYC lights perform their startup sequence and go out
Verified by IsItAGoodCar Research Team

Chassis & Underbody Rust

SeriousBodywork & Rust

Many imports were not undersealed when they arrived in the UK, leading to severe structural rot.

Est. Repair Cost: £500–£3,000+
Warning Signs:

Visible rust on chassis rails, MOT failure for structural corrosion, Soft spots in the boot floor

What to Inspect:
  • Inspect the rear chassis legs and the area around the suspension mounts carefully
Verified by IsItAGoodCar Research Team

Lifter Tick

MinorEngine

Hydraulic lifters can become noisy, especially on cold starts, often due to oil choice or skipped changes.

Est. Repair Cost: £150–£400
Warning Signs:

Tapping/clicking noise from the top of the engine, Noise decreases as the engine warms up

What to Inspect:
  • Listen for a consistent tapping at idle when the engine is cold
Verified by IsItAGoodCar Research Team

Buying Tips for 2003 Mitsubishi Lancer Evolution VII-IX

  • On six-speed models, ensure the gearbox shifts smoothly, particularly from 2nd to 3rd gear, as the synchros can wear under hard use.
  • Verify the car's service history; oil changes every 4,500 miles are the absolute minimum standard.