About a week ago the ETS light came on to stay shortly after starting the car. Was on for the drive to work. I figured that was it for my throttle body, so I made an appointment for replacement the next day. Total cost $800.

When I left work, the light did not come on. I postponed the repair. The light has not come on since. I never had any of the signs it was failing (surging, stalling, etc.) except the light.

My question is, has anyone had this occur and the ETS then continued to function, and not throw codes, for a pretty long time, like 6 months, a year or longer? Or am I simply doomed for the repair soon.