cleaned the sensor, pilot lights - blue flame however no ignition. Saw that there is a replacement # XXXXX on the part Honeywell Q3400A1024 looks like between $60-$100. Also found that there is a kit to determine the function of the ignition sensor - https://customer.honeywell.com/resources/techlit/TechLitDocuments/69-0000s/69-1180.pdf
Should I try out a replacement for the sensor?
End of flame sensor is definately in the pilot light flow, glows bright red but still no ignition of main.