Ford Fiesta 1.0 EcoBoost JA8 — Reliability

JA8 Hatchback City 2012–2018 1 engine

Pre-2018 wet belt

Reliability Summary

Engine EcoBoost 1.0 (pre-2018) — 48/100 CAUTION
Known Issues 2

Engine in this model

CAUTION 48

EcoBoost 1.0 (pre-2018)

1.0L Turbo I3

Coolant leaking into cylinders = potential catastrophic failure. Head gasket/degas bottle design fla...

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Known Issues Across All Engines

Issue Engine Severity Onset
Wet timing belt — catastrophic failure risk EcoBoost 1.0 (pre-2018) critical 50,000 km – 120,000 km
Coolant hose failure — head gasket risk EcoBoost 1.0 (pre-2018) high 50,000 km – 100,000 km