2004 4 cyl 5 speed Frontier low speed drivability

Hello, I have a 2004 Frontier 2.4 4 cylinder engine and a 5-spped manual. I purchased it used with 19,000 miles on it. I have noticed since I bought it that it is difficult to drive smoothly at low speed. What I mean is that if I step on the gas lightly at a low speed, it feels like the truck wants to do a wheelie, if I let off the gas it feels like I am going to get thrown through the windshield. I am exaggerating here, but it is difficult to drive smoothly at low speed and I am also trying to see if anyone else is experiencing anything similar. The truck is still under warranty, but if I take it in I am thinking I will just get the they are supposed to act like this story. I would rather here from someone else who has the same truck. Thank you for any advise you can provide.

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