for everyone that gets there oil changed at a gm dealership. watch out for the map sensor after theyre done. i got mine changed about a week ago and on my way home my cel came on. temp was fine so i finished my drive home. threw my code reader in. i had 3 codes. i was lean in cylinder 1. another one was a misfire. and one had to do with the maf sensor. i popped the hood to see that when they changed the oil they unplugged the map sensor to take the filter out but never plugged it back in. keep an eye out guys..

 

Why would they unplug the MAP sensor? Thats why I change my own oil lol

 

the map sensor is right between the valve cover and the supercharger. unplugging it makes more room for the socket and extension to take the filter off. unless this isnt the map sensor?

 

Your correct on the location of the sensor, but the oil filter is on the driver side of the engine and the sensor is on the passenger side. That is why i am confused as to why they unplugged it

 

okay then its not the sensor im thinking of. this sensor is on the drivers side directly over the filter cap.

 

Not sure the name of that one.. but i actidentally had that plug mixed up with the MAP plug and my car ran like **** and a half.

 

yes it does. the other day mine stuck like 1/8" throttle everytime i shifted it revd up another 1000 rpms. thats when i knew something was up..

 

Haha yeap that happend to me too.