How can I troubleshoot and fix a malfunctioning Whirlpool gas stove igniter?

To troubleshoot and fix a malfunctioning Whirlpool gas stove igniter, first check if the igniter is dirty or damaged. Clean it with a soft brush or replace it if necessary. Next, ensure the gas supply is turned on and the stove is plugged in. If the igniter still doesn't work, the problem may be with the gas valve or control module, which may require professional repair.