Quote Originally Posted by Weq View Post
Its the FITV. Ive fixed this on a few cars, and i had two go bad on me personally. U gotta screw the plunger back in and she is as good as new.

Water in the ECU.... Effecting your idle.... Are u a retard?

Cliff notes:
Cold start flucutating idle = FITV.
fluctuates when warm just as bad sometimes