Mitsubishi Lancer CY/CZ — Reliability

CY/CZ 2008–2017 1 engine

Reliability Summary

Engine 4B10 — 82/100 BUY
Known Issues 4

Engine in this model

BUY 82

4B10

1.8L MIVEC I4

Simple naturally aspirated 1.8 with a timing chain and port injection - Lancer X and ASX. Generally ...

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Known Issues Across All Engines

Issue Engine Severity Onset
Timing chain stretch — cold-start rattle, worn MIVEC sprockets 4B10 moderate 150,000 km – 200,000 km
Oil consumption at high mileage 4B10 minor —
Valve clearance set by shims (no hydraulic lifters) — costly adjustment, important on LPG 4B10 minor —
Oil leaks — crankshaft front seal and valve cover gasket 4B10 minor 100,000 km – 140,000 km