Possibly throttle body sensor or o2 sensor.
I was actually thinking it would be more expensive. so I figure my luck they will call me and say it will cost a lot more to fix it. Of course the 150 wasn't counting labor so I know it will be more than that.
He says those are 2 completely different parts, they need to give you a definite price...
PM me, he has additional questions about it, lol...