You would need to take out the electrode and clean it off with an emery cloth or light sand paper.
Furnace gas valve works intermittently.
A technician would monitor the gas pressure on both the incoming side and the manifold side to see if you were loosing.
The rv furnace will fire up but for some reason won t stay turned on.
Rv furnace will not stay lit it works intermittently while not the most serious of problems it s absolutely one of the most annoying ones.
Goodman gas furnace intermittent gas valve problem.
My furnace finally stopped working.
The smart valve gets 26 9vac at the connector but only puts out 0 5vac at the ignitor port and so won t light the ignitor and the valve no longer clicks i cannot get it to work intermittently as before.
It shuts down and won t maintain any heat.
When the spark turns on you should be getting 24 vac applied to the gas valve when the spark turns on.
That would give you the intermittent issue.
It is possible you have a problem with the gas valve.
Getting less than 24 volts may 18 volts causing the valve to goodman gas furnace intermittent gas valve problem.
I got a new honeywell smart valve and was all excited to install it in and ran into a few glitches.
Check to see if that is happening.