I have a bryant furnace and when it calls for heat it will ignite stays on for a little bit
Then it shuts down.any ideas that will help thanks model# 394gaz036100aafa
Just wondering if it may be either flame sensor or spark ignitor.

This model is equipped with spark ignition. The pilot burner has a built-in thermal switch, to prove pilot ignition was successful & advance operating sequence. No flame sensor. Does the unit re-start automatically, or require powering off/on to re-start?

Starts right up no on and off

This model is equipped with spark ignition. The pilot burner has a built-in thermal switch, to prove pilot ignition was successful & advance operating sequence. No flame sensor. Does the unit re-start automatically, or require powering off/on to re-start?

Start up with no on off

Do you have a 3 wire pilot that looks like this?