hard start

2004 str4 It will turn over for a minute then crank and idle fine .. When in gear it will start moving fine but when I get on gas it act like it wants to die sputtering never kills out . I can get up mph switching gears all at low rpm as long as I don't get into gas to hard and but everytime i...

I swapped head gaskets on my 2003 srt4. Now I have a real hard start, and when it finally gets running, I have to hold my foot on the throttle for it to run. I have recently replaced: Iacv Coil pack Spark plug wires