What are the Vent temperatures ?

With an empty load, Timed Dry, High Heat, the vent temperature should cycle somewhere between 135F and 160F

Check the Vent air temperature at the back of the Dryer using a probe-type thermometer.

If you have a Harbor Freight Store near you,

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Dryer Vent:

Vent should be rigid metal.

Short lengths of flexible metal may be OK, if not crimped when moving the Dryer into place.

NO plastic

NO PVC

NO screws

Foil Duct Tape is OK.

Check / clean the Dryer Vent

Disconnect the Dryer Vent and check for good air-flow there and where it exits the house.

Source: Maytag pyet344ayw dryer won't work on automatic.