[–] carlip 0 points 0 points (+0|-0) ago 

assume it's an o2 sensor. unplug battery for a few seconds

[–] DILLIGAFASSHOLE 0 points 0 points (+0|-0) ago 

Or make sure gas cap is secure, or jut put electrical tape over the light.

Probably would have to use heat resistant tape on the pumpkin though.