Maytag not heating

maytage dryer mdg4000aw heatsbup for 10 secondes and then stop heating,i checked the cycling themostat found the two big logs has resistance across it and when i heat it with heat gun it opens when it reaches certain temp but the two small logs there is no resistance between themits i open. is it suppost to have resistance between them as the two big logs. i cheched the thermal fuse and thats ok , i checked the hi limit switch and thats ok there is resistance , radiat sesor seems ok . thank you

Sounds like the problem is a bad gas valve coils. The model number you posted does not come up. If you need the correct part number, verify and repost the model number.

Gene.