Change Car Glow Plugs Renault Megane

Change Car Glow Plugs

Intermediate 0h30–1h30 ~50–150£
Estimated time 0h30–1h30
Estimated labour cost ~50–150£
Difficulty Intermediate
Vehicles
Megane I 1996-2003 11
  • 1.9 D Diesel (F8Q-620 (A6))
  • 1.9 D Diesel (F8Q-622 (N6))
  • 1.9 D Diesel (F8Q-624 (A6))
  • 1.9 dCi Diesel (F9Q-732 (K7))
  • 1.9 dCi Diesel (F9Q-733 (K7))
  • 1.9 DT Diesel (F8Q-784 (37))
  • 1.9 DTi Diesel (F9Q-730)
  • 1.9 DTi Diesel (F9Q-731 (E7))
  • 1.9 DTi Diesel (F9Q-734 (A7))
  • 1.9 DTi Diesel (F9Q-736 (A7))
  • 1.9 DTi Diesel (F9Q-744 (Q7))
Megane II 2002-2010 20
  • 1.5 dCi 100 Diesel (K9K-728 (F7))
  • 1.5 dCi 100 Diesel (K9K-729 (H7))
  • 1.5 dCi 105 Diesel (K9K-732 (P7))
  • 1.5 dCi 105 FAP Diesel (K9K-734 (77))
  • 1.5 dCi 80 Diesel (K9K-722 (D7))
  • 1.5 dCi 85 Diesel (K9K-724 (G7))
  • 1.9 dCi 100 Diesel (F9Q-808 (C8))
  • 1.9 dCi 110 FAP Diesel (F9Q-804 (E8))
  • 1.9 dCi 113 Diesel (F9Q-818 (L8))
  • 1.9 dCi 115 FAP Diesel (F9Q-803 (J8))
  • 1.9 dCi 115 FAP Diesel (F9Q-804 (E8))
  • 1.9 dCi 120 Diesel (F9Q-800 (B8))
  • 1.9 dCi 120 Diesel (F9Q-816 (K8))
  • 1.9 dCi 130 Diesel (F9Q-816 (K8))
  • 1.9 dCi 130 Diesel (F9Q-818 (L8))
  • 1.9 dCi 130 FAP Diesel (F9Q-803 (J8))
  • 1.9 dCi 130 FAP Diesel (F9Q-804 (E8))
  • 2.0 dCi 150 Diesel (M9R-700 (A7))
  • 2.0 dCi 150 Diesel (M9R-722)
  • 2.0 dCi 175 RS Diesel (M9R-724 (H7))
Megane III 2008-2017 17
  • 1.5 dCi 105 Diesel (K9K-832 (G8))
  • 1.5 dCi 110 Diesel (K9K-656 (G6))
  • 1.5 dCi 110 FAP Diesel (K9K-636 (A6))
  • 1.5 dCi 110 FAP Diesel (K9K-836 (J8))
  • 1.5 dCi 110 FAP Diesel (K9K-837 (N8))
  • 1.5 dCi 110 FAP Diesel (K9K-846 (R8))
  • 1.5 dCi 85 Diesel (K9K-830 (F8))
  • 1.5 dCi 90 FAP Diesel (K9K-834 (H8))
  • 1.5 dCi 95 Diesel (K9K-656 (G6))
  • 1.5 dCi 95 FAP Diesel (K9K-836 (J8))
  • 1.6 dCi 130 FAP Diesel (R9M-402 (A4))
  • 1.6 dCi 130 FAP Diesel (R9M-404 (C4))
  • 1.6 dCi 130 FAP Diesel (R9M-414 (E4))
  • 1.9 dCi 130 Diesel (F9Q-872 (P8))
  • 1.9 dCi 130 FAP Diesel (F9Q-870 (N8))
  • 2.0 dCi 150 FAP Diesel (M9R-615 (C6))
  • 2.0 dCi 160 FAP Diesel (M9R-610 (B6))
Megane IV 2016-2025 12
  • 1.5 Blue dCi 95 Diesel (K9K-872 (U8))
  • 1.5 dCi 110 Diesel (K9K-646 (F6))
  • 1.5 dCi 110 Diesel (K9K-656 (G6))
  • 1.5 dCi 110 Diesel (K9K-657 (G6))
  • 1.5 dCi 110 Diesel (K9K-675 (G6))
  • 1.5 dCi 110 Diesel (K9K-676 (F6))
  • 1.5 dCi 115 Diesel (K9K-872 (U8))
  • 1.5 dCi 115 Diesel (K9K-873 (U8))
  • 1.6 dCi 130 Diesel (R9M-409)
  • 1.6 dCi 130 Diesel (R9M-410 (E4))
  • 1.6 dCi 165 Diesel (R9M-452 (D4))
  • 1.7 Blue dCi 150 EDC Diesel (R9N-401 (A4))

What is the role of Renault Megane 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 Renault Megane 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 Renault Megane 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 Renault Megane 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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4 models covered

Model Year Range Engines covered Fuel
Megane I 1996-2003 1996-2003 1.4 Petrol (E7J-764 (37)), 1.6 16V Petrol (K4M-700 (A7)), 1.6 16V Petrol (K4M-701 (B7)), 1.6 16V Petrol (K4M-706), 1.6 16V Petrol (K4M-708 (A7)), 1.6 16V Petrol (K4M-709 (B7)), 1.6 16V, -LPG LPG,Petrol (K4M-704 (A7)), 1.6 16V, -LPG LPG,Petrol (K4M-712), 1.6 LPG LPG,Petrol (K7M-7… Diesel, LPG, Petrol
Megane II 2002-2010 2002-2010 1.4 16V Petrol (K4J-732 (F7)), 1.4 16V, -LPG LPG,Petrol (K4J-730 (D7)), 1.4 16V, -LPG LPG,Petrol (K4J-740 (D7)), 1.5 dCi 100 Diesel (K9K-728 (F7)), 1.5 dCi 100 Diesel (K9K-729 (H7)), 1.5 dCi 105 Diesel (K9K-732 (P7)), 1.5 dCi 105 FAP Diesel (K9K-734 (77)), 1.5 dCi 80 Diesel (K9K… Bioethanol (E85), Diesel, LPG, Petrol
Megane III 2008-2017 2008-2017 1.2 TCe 115 Petrol (H5F-400 (A4)), 1.2 TCe 115 Petrol (H5F-408 (F4)), 1.2 TCe 135 Petrol (H5F-404 (B4)), 1.2 TCe 135 Petrol (H5F-405 (E4)), 1.2 TCe 135 Petrol (H5F-412 (G4)), 1.4 16V TCe 130, -LPG LPG,Petrol (H4J-700 (A7)), 1.5 dCi 105 Diesel (K9K-832 (G8)), 1.5 dCi 110 Diesel (… Bioethanol (E85), Diesel, LPG, Petrol
Megane IV 2016-2025 2016-2025 1.0 TCe 115 Petrol (H5D-490 (C4)), 1.2 TCe 100 Petrol (H5F-408 (F4)), 1.2 TCe 130, -LPG LPG,Petrol (H5F-408 (F4)), 1.3 TCe 100 Petrol (H5H-470 (B4)), 1.3 TCe 115 Petrol (H5H-450 (A4)), 1.3 TCe 115 Petrol (H5H-470 (B4)), 1.3 TCe 140 Petrol (H5H-450 (A4)), 1.3 TCe 140 Petrol (H5H-… Diesel, Electricity, LPG, Petrol

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