Change Car Glow Plugs Honda Accord

Change Car Glow Plugs

Intermediate 1h30–2h00 ~150–200£
Estimated time 1h30–2h00
Estimated labour cost ~150–200£
Difficulty Intermediate
Vehicles
Accord VII 2003-2008 1
  • 2.2 16V i-CTDi Diesel (N22A1)
Accord VIII 2008-2015 2
  • 2.2 i-DTEC 16V Diesel (N22B1)
  • Type S (2.2 i-DTEC 16V) Diesel (N22B2)

What is the role of Honda Accord 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 Honda Accord 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 Honda Accord 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 Honda Accord 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
Accord III 1985-1993 1985-1993 1.6 12V Petrol (A16A1), 2.0 12V Petrol (A20A1), 2.0 12V Petrol (A20A3) Petrol
Accord IV 1989-1993 1989-1993 2.2i 16V Petrol (F22A7) Petrol
Accord VI 1997-2003 1997-2003 2.0 16V Petrol (F20B5), 2.0 16V Petrol (F20B6), 2.2 16V Petrol (F23A1), 3.0 24V V6 Petrol (J30A1) Petrol
Accord VII 2003-2008 2003-2008 2.0 16V Petrol (K20A6), 2.0 16V Petrol (K20Z2), 2.2 16V i-CTDi Diesel (N22A1), 2.4 16V Petrol (K24A1), 2.4 16V Petrol (K24A3) Diesel, Petrol
Accord VIII 2008-2015 2008-2015 2.0 i-VTEC 16V Petrol (R20A3), 2.2 i-DTEC 16V Diesel (N22B1), 2.4 i-VTEC 16V Petrol (K24Z3), Type S (2.2 i-DTEC 16V) Diesel (N22B2) Diesel, Petrol

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