Replacing Citroen C1 Spark Plugs

crwdns2936071:01crwdne2936071:0 — Introduction

Open the engine hood of your C1, pulling the controller located below and to the left of the steering wheel.

crwdns2936071:02crwdne2936071:0 — Remove the air filter box 1

Identify the air filter box.

crwdns2936071:03crwdne2936071:0 — Remove the air filter box 2

Loosen the clamp and move it up to free the sleeve.

crwdns2936071:04crwdne2936071:0 — Remove the air filter box 3

You can now remove the air filter box.

crwdns2936071:05crwdne2936071:0 — Remove the ignition coils

Unscrew the three bolts of the ignition coils with the help of a 10mm 6-point socket.

crwdns2936071:06crwdne2936071:0

You can choose to unplug each ignition coil connector and place them on a workbench (taking care to identify each coil), or leave the coils plugged in and stored to the left and above the engine.

crwdns2936071:07crwdne2936071:0 — Remove the spark plugs

Grab a spark plug wrench (size 16mm)

crwdns2936071:08crwdne2936071:0 — Remove the spark plugs

Continue in the same manner for second and third spark plugs.

crwdns2936071:09crwdne2936071:0 — Clean and replace the spark plugs

You can now proceed to clean or replace the spark plugs.