93 Chevy TBI 5.7 has a high idle on start up. Runs at about 1500 RPMs till it warms up then drops to around 1000-1100 Its my brothers truck and I am trying to help him with it, but he wont listen to me for some stupid reason. Anyhow I cant tell you what I told him I think it is. but what syas the Truck forum Chevy gurus. Help a brother out. ( Wow cant believe I said that) Oh well I already hit post so it stays.