got good news and bad news. good news is i put on a 4lber 90mm mass air and other little thing and im lovin the power, but the bad news is every time i turn on my air the rpms go up and down i know its not good and now my service engine light came on. what to do? and would the thermostat have anything to do with it?thanks

 

Do you know what code is being thrown.

If you would have swung by Josh's this weekend I could have scanned it for ya.

--Joe

 

i wish i knew the code this happened before when i didnt have any mods

 

Autozone will pull the code for you. That's a start.