Changing the spark plugs - Peugeot 207

The 4 spark plugs are located in the cylinder head of the engine, below the ignition coil.

Disconnect the return air line connected to the intake air distributor.

And on the other hand on the cylinder head cover.

Disconnect the intake air pressure sensor connector

Remove the first fuel hose fastener from the intake air distributor.

Then the second attachment to the ignition coil.

Place the plug on the air resonator.

Disconnect the ignition coil plug.

Pull the cables slightly to clear the space and begin removing the ignition coil.

Locate the two ignition coil mounting points.

Use a 10mm socket to unscrew the column screw.

Remove the first column screw.

Remove the 10 mm nut which is fixed on the thread of the second column screw.

This is the fuel hose bracket.

Unscrew the ignition coil column screw.

Remove the second column screw.

Carefully but firmly lift the ignition coil out of its housing.

Continue pulling vertically to separate the 4 spark plug extensions fixed in the cylinder head.

The spark plugs are now accessible.

Place a 16mm spark plug socket and loosen with a ratchet. Use an extension or universal joint for easier access.

Remove the spark plug inserted into the spark plug socket.

Compare spark plugs.

Repeat removal step 7 for all spark plugs.

Push the spark plug into the socket so that the plastic washer holds it in place.

Place the spark plug assembly plus socket into the well by hand.

Screw the spark plug precisely into its axis by hand without forcing it so as not to damage the thread.

Tighten the spark plugs with a torque wrench according to the manufacturer's recommendations. In this case, it is 15 Nm.

Correctly place the extensions on the 4 spark plugs.

Press the ignition coil back into place.

Tighten the two column screws.

Reconnect the various connections previously removed.

Reinstall the intake air sensor.

Reconnect the air return fitting.

Replace the cables on the plastic clips.

Check for proper operation.