A month or more between failures, soft fails, and then a code. Hope it is fixed but 24 hours to make that call.
Tell us at least what the 'Code' was from the service invoice so we can ad it to the knowledge database.
Inquiring minds want to know.....
Member of the Dropped Valve Seat Club.
Replaced #4 Piston, Rings, Rod+Bearings, AERA Re-Manufactured Cylinder Head and a light Hone. Then CLEANED the hell out of everything.