How to Troubleshoot & Replace Whirlpool AP6008294 / WP338906 Flame Sensor

Installed gas coil as suggested by the expert. I saved hundreds and only spent $10 on parts. Thanks you all ! 

This is the dryer that came with the house 16 years ago, so it's older than that... Last year I had replaced the belt and the felt gasket to great success. A week ago, the dryer would initially heat up - but only once - so the timer would not advance. I didn't have much time to troubleshoot, so i ordered all of the key parts save one. The lack of drying suggested that one of the four sensors were at fault. There are two sensors and a thermal fuse on the back panel. There is a flame sensor and two coils to regulate gas flow. When the parts came, I took the time to test the thermal sensors "Good" is zero-ohms resistance when closed and infinite resistance when open. I used a heat gun to make confirm functionality. The thermal fuse is designed to blow when the dryer vent is block. That's only happened once in 16 years. Even though these parts tested good, I replaced them anyway. I then opened the top of the unit, removed the front panel and drum, and then replaced the flame sensor and gas-flow coils. After re-assembly, the dryer functioned as it should. While I spent nearly $100 with parts and shipping, that was still $300 less than the cheapest replacement option. The videos are a tremendous help. 

I replace the fuse on the centrifugal tube and reconnected the dryer and everything went well thank you very much to appliance pros for telling me a wonderful product and I would use them again in the future thank you 

First I changed out the cycle thermostat, which did not correct the problem, then I changed out the flame sensor and the gas valve coils and that did the trick, thank you appliance parts pros.com for the helpful video`s and advice... Frank Morrell 

I replaced the thermal fuse after researching n the AppliancePartsPros forum. Fired right up. This is an amazing source I have used for Dishwasher, Clothes Washer, Refrigerator, and Now Dryer repair. 

I was able to utilize your troubleshooting list to determine what the possibilities were. I narrowed it down to the flame sensor and the thermostats so ordered them from you. I have ordered from you for other appliance problems and had success. 

I replaced the flame sensor. I also replaced the coils for preventive measures. 

I change the hi temp switch out. It works great. I found a big load of flint in the discharge of the unit. Maybe that's why..... 

Replaced the igniter and flame sensor, dry working like new. 

With it's age I figured it would be time to replace a number of parts related to the heating cycle. So I started with the thermistor and high limit replacement and then moved to the flame sensor and gas valve coils. This also was a great time to clean out the entire cabinet. Very important with lint buildup and gas flame nearby.