If your Whirlpool stove is not lighting after replacing the gas regulator, there could be a few possible reasons for this issue:
Gas Supply Issue: Ensure that the gas supply is turned on and that there is an adequate supply of gas reaching the stove. Sometimes, during the replacement process, the gas supply may have been inadvertently turned off or the gas valve may not be fully open.
Air in the Gas Line: When replacing the gas regulator, it's possible that air could have entered the gas line. Air in the line can prevent the stove from lighting. To resolve this, you can try purging the air by turning on the burner and allowing it to run for a few minutes until the air is expelled and a consistent flow of gas is established.
Gas Valve or Igniter Issue: If the gas supply and air in the line are not the problem, it's possible that there could be an issue with the gas valve or the igniter. The gas valve may be faulty and not allowing gas to flow properly to the burner. Alternatively, the igniter might not be functioning correctly, preventing the gas from igniting. In such cases, it's recommended to contact a professional appliance technician to diagnose and repair the specific issue.
It's important to prioritize safety when dealing with gas appliances. If you're unsure about troubleshooting the problem yourself, it's always best to consult a qualified technician or contact the manufacturer's customer support for assistance.