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Mitsubishi Space Star

4G93 1.8L GDI 122 hp Manual Front-wheel drive Van 1998–2005
✖ Stay Away!
Engine 4G93 ✖ Stay Away! 1,290–3,720 €

Mitsubishi's first generation of petrol direct injection (GDI). Technically innovative but prone to intake tract carbon build-up and idle problems. Known as the 'problem GDI' in owner communities. Regular intake cleaning and short spark plug replacement intervals are essential.

Fun Factor? Decent

Compact all-rounder

The 1.8 GDI makes the old Space Star a usable everyday car. Direct injection for acceptable fuel consumption with decent power.

Engine Weaknesses 3

!! Intake tract carboned up

The first GDI generation suffers severely from carbon build-up in the intake tract and on the intake valves. Soot deposits narrow the ports and disrupt mixture formation. Forum users report this as the cause in 95% of GDI problems.

Symptoms: Rough idle through to stalling, power loss, increased fuel consumption, stumbling under load

200–800 € from 80,000 km
!! GDI high-pressure pump failed

The high-pressure pump of the first GDI generation is prone to leaks and pressure loss. Mitsubishi requires complete replacement — repair is not provided for. New parts cost around 1,000 EUR.

Symptoms: Engine stumbles under acceleration, starting problems, fluctuating fuel pressure, check engine light

600–1,200 € from 120,000 km
!! Spark plugs oil-fouled and sooted up

The GDI injection causes heavy oil fouling and sooting of the spark plugs. Forum reports show plugs saturated with petrol and oil. Shorter replacement intervals (maximum 30,000 km) are advisable.

Symptoms: Difficult cold start, rough idle at 300–400 rpm, stumbling at low rpm

40–120 € from 30,000 km

Vehicle Weaknesses 3

!! Rust Underbody and exhaust rust

Underbody corrosion protection is inadequate, especially with winter use on salted roads. The exhaust system also rusts through prematurely. Rear axle suspension and the exhaust are typical MOT/TÜV weak points.

200–800 €
!! Suspension Rear axle suspension worn

The rear axle suspension is a known MOT/TÜV weak point. Bushings and bearings wear prematurely, leading to imprecise handling. Regular inspection during servicing is recommended.

150–500 € from 100,000 km
! Brakes Above-average brake disc and pad wear

Brake discs and pads on the Space Star DG0 wear at an above-average rate. Pads sometimes last only 25,000 km. Discs are prone to warping, causing vibration when braking.

100–300 € from 40,000 km