Truck hesitates while accelerating when you first tried to take off also at idle the RPMs will go up and down

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I have a 2005 Dodge ram 2500 with a 5.7 the truck has no college except for or two sensor they've been replaced the truck when you first started try to driveway it will take off and then will choke out . If you slam the accelerated to the floor and let off the truck will come back and stop choking out. It will only do this after you start the truck the truck and we called the truck and be warm and it will do the same thing . After driving in a while it runs fine celebrate everything top and bottom and I was told throttlebody has a throttle position sensor in it I replace that truck still has the same problem. What else needs to be looked at truck is also just had a tuneup plugs wires also crankshaft sensor . I've worked on vehicles all my life never came across the problem like this. Have any answers