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Replacement of Engine Spark Plugs

Model: Peugeot 307 MK 1 - Years 2001-2009
Part: Spark plugs

Remove the screws by acting on the bolts located on the spark plug cover. Disconnect the coil pack; the first spark plug is at the bottom of the well. Using the appropriate spark plug socket, which has a rubber gripping device, gently insert it onto the spark plug and unscrew it. Be careful not to drop any foreign objects into the well. Replace the spark plug with one of the same model, carefully inserting it into the well, always using the appropriate socket and gently turning it while ensuring it screws in correctly. If you encounter resistance, remove it and try again. The spark plugs should be tightened with a torque wrench; if you do not have one, screw them in without overtightening. Repeat the same operation with the other spark plugs.

Updated on 5 February 2026 by ScegliAuto

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