Thomas Walker Nov 12, 2018:

@Tomasso I think you're on the right track, tying it in to the meaning of the original Spanish verb. However, I was unable to find any references that explicitly link the Spanish & English meanings.

Tomasso Nov 12, 2018:

having small pits, overheated by poor connection Maybe translate as toasted, arcing damage, electicity melting and damaging parts Example bujías 2 y 4 como con una capa de carbonilla y sus correspondientes bobinas completamente fogueadas y llenas de corrosión de la mala .../www.bmwfaq.org/threads/del-estado-de-mis-bujias-y-bobinas-p...
Latin Am sp literally to shoot with bullets http://www.spanishdict.com/translate/foguear
maybe like a PEEN Surface damage by a hammer, but due to electric arcing, flashing, jumping, etc
damaged by electrical arcing, poor connection, burned up ignition points have appearance of battered metal and blue tinge due to arcing, having small pits in the metal from arcing,