i got a saturn sc1 2 door 5 speed and when the car is cold it has all kinds of power and when it is warmed up it does not have all of its power.you can feel it die back just a little bit......any suggestions

 

I would replace the Engine Coolant Temperature Sensor (ECTS) along with it's associated electrical connector. Total parts cost will run about $40 usd. This sensor adjusts the fuel mixture ratio of the engine based on the temperature of the coolant, thereby providing both efficient operation (more MPG) and more horsepower ....