Yes, most likely it is a fuel starvation problem, which could be a blocked fuel pickup, blocked fuel line from the tank, blocked fuel filter, or a failed fuel pump. Dick Benjamin ----- Original Message ----- From: Rich Lee <exner60@xxxxxxx> doesn't have > any power on hills. Actually, the speed drops dramatically from 35 - 45 to > about 10 MPH before the car stalls. Prior to stalling, if I back off of the > accelerator and then give the car some gas, it reacts a little bit by > gaining some speed before cutting out again. > > My brother tested the valves for compression. No problem there (120). He > also replaced the plugs. Could it be the fuel pump? On level road, the car > maintains 45 - 55 without skipping or stalling. > > Thanks.