1996 plymouth popping thru intake



143,425 miles 3.3 v6 new plugs,wires,coil,crank+cam sensors,computer brain.when i step on the gas a little bit to pass it starts popping thru intake.if i step on gas all the way it won’t do any popping any ideas ?


Check the throttle position sensor (tps). When doing the resistance, or voltage checks, move the throttle slowly. There might be an electrical flat spot on the tps near the idle setting.