Change Car Spark Plugs Ford Focus

Change Car Spark Plugs

Easy 1h00 ~100€
Temps estimé 1h00
Coût estimé ~100€
Difficulté Easy
Motorisations
Focus Mk III 2013-2020 1
  • 1.0 (EcoBoost) Gas (M1DA)

What is the role of Ford Focus spark plugs?

The spark plug generates a spark at the precise moment needed to ignite the air/fuel mixture in the combustion chamber of petrol (or LPG) engines. The engine management system controls ignition timing.

When should you change your Ford Focus spark plugs?

Manufacturers provide replacement recommendations; refer to your vehicle maintenance booklet. Generally replace every 60,000 km (45,000 km for severe use). Some vehicles with long-life plugs (titanium, platinum, iridium) can go 100,000–150,000 km.

How do I know if I need to change my Ford Focus spark plugs?

Via the EOBD system (mandatory since 2001 on petrol cars), faulty spark plugs will trigger fault codes, typically P0301–P0304 (misfire, cylinders 1–4). Symptoms include: difficulty starting, misfires, reduced engine power, increased fuel consumption.

Is it difficult to change Ford Focus spark plugs?

Difficulty level 2/5: technically easy but requires specific tools (spark plug wrench, torque wrench). Key points: wait for cold engine, clean plug well with compressed air before removal, never use a dropped plug, do not grease threads, hand-tighten then torque to specification.

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5 générations couvertes

Génération Période Motorisations Carburant
Focus Mk I 1998-2009 1998-2009 2.0 (Duratec) Gas (20HDEX), 2.0 (Zetec-R) Gas (C20HDEZ), 2.0 CVH 8V SOHC Gas (C20HDEZ), 2.0 SVT (Zetec-R) Gas (C20HDEZ), 2.3 (Duratec) Gas (C23HDEX) Gas
Focus Mk II 2004-2012 2004-2012 2.0 Ti-VCT (Duratec) Gas (C20HDEA (99N)) Gas
Focus Mk III 2011-2019 2011-2019 2.0 Ti-VCT (Duratec), Flex Fuel Gas (992 (C20HDEA)), ST (2.0 EcoBoost) Gas (999 (C20HDTX)) Gas
Focus Mk III 2013-2020 2013-2020 1.0 (EcoBoost) Gas (M1DA), 2.3 RS (EcoBoost) Gas (C23HD0D (99H)), Electric Electricity (KDDA) Electricity, Gas
Focus Mk III 2014-2020 2014-2020 Electric Electricity (994) Electricity

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