Hi.
Your oven ignitor should draw 3.25amp to open the gas valve.
If it's less than 3.2amp it will just seat there glowing, producing around 200*F.
The oven ignitor
Part number: 9782065
Here are the breakdown diagrams and
Replacement parts for Whirlpool KGRC608LSS0 30" Freestanding Gas Range DESIGNER STYLE Convect | AppliancePartsPros.com
Thank you. Post the results.
Simon.