Focus II
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Which Ford Focus II engine is the most reliable? See common problems, reviews and reliability verdicts across generations and engines.
Frequently asked questions
Which Ford Focus II engine is the most reliable?
1.8 / 2.0 Duratec-HE (petrol) — Reliable verdict. Widely regarded as the best of the Duratec petrols — this is the Mazda MZR (L-series) shared with the Mazda 3/6, and it's genuinely tough: 350,000 km is on the cards. Importantly it's TIMING-CHAIN driven (the chain is rated for the life of the engine, not a belt to schedule), so there's no expensive belt job lurking. 'Reliable' is well earned; the only niggles are minor and electrical/ancillary — coil packs, thermostat, and the intake's variable runner flaps with age. A safe, strong used petrol.
Which Ford Focus II engines should you avoid?
Engines with the weakest reliability verdicts: 1.6 TDCi (DV6).
What are the most common Ford Focus II problems?
The most commonly reported problems across all Ford Focus II generations and engines: DPF clogging, Injector seal → turbo oil starvation, Turbo failure, Turbo actuator / cold-start faults, Dual-mass flywheel wear.