I just got back from vacationa and took my camaro with me, big trip for a car newer to me, all went well except for my lil prob. After going thru the hills in WV my car started running rough. I stopped and checked over what I could at 4 in the morning, and then again at daylight, oil is good and clean, coolant is good and green, no leaking from anything. It runs rough on idle, feels like it has a hot cam or something, and when u let off the brake and let it roll forward the car shakes kinda bad and the motor runs real rough, it has a hesitation when u speed up but under 1/2 or more throttle it runs smoother, sorry bout this being so long just giving some background and what I have checked, all your help is greatly appreciated, thanks

 

Im not all that knowledgeable in these cars yet, but my other car did that for a while...check the plugs, i replaced mine and it's running fine again.

 

check the spark componates, also a clogged cat will cause all sorts or wacky running problems.

 

a vacuum leak will also cause a somewhat rough idle.

 

Does it idle higher than usual when it runs rough. If so sounds like a vacuum leak like vjo90RS8 described. Every TBI owner will correct a vacuum leak or throughout the ownership of their car.