... Igniter Glow? No
Then it wouldn't be the Coils,
Have you checked the Igniter ? (may be 400 OHMS at room temperature)
WHIRLPOOL Dryer Igniter Kit and Bracket, part number: 279311
Have you checked the Thermal Fuse?
WHIRLPOOL Dryer Thermal Fuse, part number: 3392519
Is there any
heat from the Gas ?