Sticking piston rings, oil consumption and timing chain on the Mitsubishi 1.6 (4A92)

Engine / equipment

Mitsubishi 117 hp 1.6 petrol (4A92): Citroën C4 Aircross and Peugeot 4008 (also the Mitsubishi ASX)

Period mentioned

2012–2017

Symptoms

Oil has to be topped up between changes; bluish smoke; chain rattle on cold starts.

Possible cause described

Russia’s Za Rulem magazine (2021) rates the 4A92 the least successful engine of the range: the piston rings tend to stick from as early as about 80,000 km, which raises oil consumption; the timing chain can stretch beyond 100,000 km, and the engine is very sensitive to the oil level, which should be kept at least halfway up the dipstick.

Check for the garage

Measure oil consumption between changes and check the level often; listen for the chain on a cold start; ask for the oil-change history.

Cost cited in the source

No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.

Sources from the original database