Unplug the GE range from the wall outlet.
Open the oven door. Pull out the oven racks.
Pull the hinge locks down on each door hinge. Lift the door to the resting position at a 45-degree angle. Pull the door away from the GE oven range to remove it.
Remove the screws along the bottom panel on the inside of the oven. Lift the bottom panel out of the oven cabinet.
Remove the screw holding the igniter to the burner assembly toward the rear of the GE PGS908SEM2SS range.
Pull the igniter into the oven cabinet to expose the wire connector. Disconnect the igniter wire connector from its socket.
Position the new igniter inside the GE oven. Plug the wire connector into its socket. Install the screw that holds the igniter to the burner assembly.
Replace the bottom panel. Install the screws that hold it in place.