Change Car Glow Plugs Ford Focus

Change Car Glow Plugs

Intermediate 0h45–3h00 ~75–300£
Estimated time 0h45–3h00
Estimated labour cost ~75–300£
Difficulty Intermediate
Vehicles
Focus Mk I 1998-2009 6
  • 1.8 TDCi (Duratorq) Diesel (F9DA)
  • 1.8 TDCi (Duratorq) Diesel (FFDA)
  • 1.8 TDdi (Endura-DI) Diesel (BHDA)
  • 1.8 TDdi (Endura-DI) Diesel (C9DA)
  • 1.8 TDdi (Endura-DI) Diesel (C9DB)
  • 1.8 TDdi (Endura-DI) Diesel (C9DC)
Focus Mk II 2004-2012 18
  • 1.6 TDCi (Duratorq) Diesel (G8DA)
  • 1.6 TDCi (Duratorq) Diesel (G8DB)
  • 1.6 TDCi (Duratorq) Diesel (G8DC)
  • 1.6 TDCi (Duratorq) Diesel (G8DD)
  • 1.6 TDCi (Duratorq) Diesel (G8DE)
  • 1.6 TDCi (Duratorq) Diesel (G8DF)
  • 1.6 TDCi (Duratorq) Diesel (GPDA)
  • 1.6 TDCi (Duratorq) Diesel (GPDC)
  • 1.6 TDCi (Duratorq) Diesel (HHDA)
  • 1.6 TDCi (Duratorq) Diesel (HHDB)
  • 1.6 TDCi (Duratorq) Diesel (MTDA)
  • 1.8 TDCi (Duratorq) Diesel (KKDA)
  • 2.0 TDCi (Duratorq) Diesel (G6DA)
  • 2.0 TDCi (Duratorq) Diesel (G6DB)
  • 2.0 TDCi (Duratorq) Diesel (G6DC)
  • 2.0 TDCi (Duratorq) Diesel (G6DD)
  • 2.0 TDCi (Duratorq) Diesel (G6DG)
  • 2.0 TDCi (Duratorq) Diesel (IXDA)
Focus Mk III 2011-2019 10
  • 1.6 TDCi (Duratorq) Diesel (NGDA)
  • 1.6 TDCi (Duratorq) Diesel (NGDB)
  • 1.6 TDCi (Duratorq) Diesel (T1DA)
  • 1.6 TDCi (Duratorq) Diesel (T1DB)
  • 1.6 TDCi (Duratorq) Diesel (T3DA)
  • 1.6 TDCi (Duratorq) Diesel (T3DB)
  • 2.0 TDCi (Duratorq) Diesel (TXDB)
  • 2.0 TDCi (Duratorq) Diesel (TYDA)
  • 2.0 TDCi (Duratorq) Diesel (UFDB)
  • 2.0 TDCi (Duratorq) Diesel (UKDB)
Focus Mk III 2013-2020 16
  • 1.5 TDCi (Duratorq) Diesel (AEDA)
  • 1.5 TDCi (Duratorq) Diesel (XWDA)
  • 1.5 TDCi (Duratorq) Diesel (XWDB)
  • 1.5 TDCi (Duratorq) Diesel (XWDC)
  • 1.5 TDCi (Duratorq) Diesel (XWDD)
  • 1.5 TDCi (Duratorq) Diesel (XWDE)
  • 1.5 TDCi (Duratorq) Diesel (XXDA)
  • 1.5 TDCi (Duratorq) Diesel (XXDC)
  • 1.5 TDCi (Duratorq) Diesel (XXDD)
  • 1.6 TDCi (Duratorq) Diesel (T1DA)
  • 1.6 TDCi (Duratorq) Diesel (T1DB)
  • 1.6 TDCi (Duratorq) Diesel (T3DA)
  • 1.6 TDCi (Duratorq) Diesel (T3DB)
  • 2.0 TDCi (Duratorq) Diesel (T7DA)
  • 2.0 TDCi (Duratorq) Diesel (T7DB)
  • 2.0 TDCi (Duratorq) Diesel (T8DA)
Focus MK IV 2019-2025 5
  • 1.5 (EcoBlue) Diesel (Y9DA)
  • 1.5 (EcoBlue) Diesel (Z2DA)
  • 1.5 (EcoBlue) Diesel (ZTDA)
  • 2.0 TDCi (EcoBlue) Diesel (BCDA)
  • 2.0 TDCi (EcoBlue) Diesel (YLDA)

What is the role of Ford Focus glow plugs?

Glow plugs are used in diesel engines to preheat the combustion chamber before starting, particularly in cold weather. Unlike petrol engines that use spark plugs to ignite the fuel, diesel engines rely on compression ignition. Modern glow plugs also remain active after starting to reduce emissions and noise during the warm-up phase.

When should you change your Ford Focus glow plugs?

Generally, glow plugs last between 80,000 and 160,000 km. Symptoms of failing glow plugs include: difficulty starting in cold weather, white or grey exhaust smoke on start-up, rough idle during warm-up, the glow plug warning light remaining illuminated, and increased fuel consumption.

How do I know if the Ford Focus glow plugs need changing?

Via the EOBD diagnostic system, faulty glow plugs will trigger fault codes (typically P0380–P0384 for glow plug circuit faults). Individual glow plug resistance can be measured with a multimeter (typically 0.5–2 ohms for a good plug).

Is it difficult to change Ford Focus glow plugs?

Difficulty level 3/5: intermediate. Glow plugs can seize in the cylinder head over time due to heat and corrosion, making removal difficult and risking breakage. Key steps: warm the engine first, apply penetrating oil, use the correct glow plug socket, unscrew carefully (do not force — a broken glow plug requires specialist extraction).

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5 models covered

Model Year Range Engines covered Fuel
Focus Mk I 1998-2009 1998-2009 1.4 (Zetec-SE) Petrol (FXDA), 1.4 (Zetec-SE) Petrol (FXDB), 1.4 (Zetec-SE) Petrol (FXDC), 1.4 (Zetec-SE) Petrol (FXDD), 1.6 (Zetec-SE) Petrol (FYDA), 1.6 (Zetec-SE) Petrol (FYDB), 1.6 (Zetec-SE) Petrol (FYDC), 1.6 (Zetec-SE) Petrol (FYDD), 1.6 FFV (Zetec-SE) Bioethanol (E85),Pet… Bioethanol (E85), Diesel, LPG, Petrol
Focus Mk II 2004-2012 2004-2012 1.4 (Duratec) Petrol (ASDA), 1.4 (Duratec) Petrol (ASDB), 1.6 (Duratec) Petrol (HWDA), 1.6 (Duratec) Petrol (HWDB), 1.6 (Duratec) Petrol (SHDA), 1.6 (Duratec) Petrol (SHDB), 1.6 (Duratec) Petrol (SHDC), 1.6 TDCi (Duratorq) Diesel (G8DA), 1.6 TDCi (Duratorq) Diesel (G8DB), 1.6 TD… Bioethanol (E85), Diesel, LPG, Petrol
Focus Mk III 2011-2019 2011-2019 1.0 (EcoBoost) Petrol (M1DA), 1.0 (EcoBoost) Petrol (M2DA), 1.0 (EcoBoost) Petrol (SFDA), 1.6 SCTi (EcoBoost) Petrol (JQDA), 1.6 SCTi (EcoBoost) Petrol (JQDB), 1.6 SCTi (EcoBoost) Petrol (JTDA), 1.6 SCTi (EcoBoost) Petrol (JTDB), 1.6 SCTI FFV (EcoBoost) Bioethanol (E85),Petrol (… Bioethanol (E85), Diesel, LPG, Petrol
Focus Mk III 2013-2020 2013-2020 1.0 (EcoBoost) Petrol (M1DA), 1.0 (EcoBoost) Petrol (M1DC), 1.0 (EcoBoost) Petrol (M1DD), 1.0 (EcoBoost) Petrol (M1DH), 1.0 (EcoBoost) Petrol (M2DB), 1.0 (EcoBoost) Petrol (M2DC), 1.0 (EcoBoost) Petrol (SFDB), 1.5 (EcoBoost) Petrol (M8DA), 1.5 (EcoBoost) Petrol (M8DB), 1.5 (EcoB… Diesel, Electricity, Petrol
Focus MK IV 2019-2025 2019-2025 1.0 (EcoBoost) Petrol (B3DA), 1.0 (EcoBoost) Petrol (B7DA), 1.0 (EcoBoost) Petrol (SFDC), 1.0 mHEV (EcoBoost) 48V (MHEV),Petrol (B7DC), 1.0 mHEV (EcoBoost) 48V (MHEV),Petrol (M0DC), 1.0 mHEV (EcoBoost) 48V (MHEV),Petrol (R0DB), 1.0 mHEV Flex (EcoBoost) 48V (MHEV),Ethanol (E85),P… 48V (MHEV), Diesel, Ethanol (E85), Petrol

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