Originally Posted by antboy89

Well I found that the throttle position sensor inside the throttle body went bad so I bought a used TB from a junk yard and as soon as I plugged it in the reduced engine power light went off and it started working so I drilled the rivets out of the old throttle body and looked at the throttle positioning sensor it was wet I'm sure the water shorted it out and made it go bad NGM does not sell just the throttle positioning sensor you have to buy the whole throttle body either New or from a junk yard