Psi Chronicles #1: Freakling by Lana Krumwiede

In Taemon's world, most people use power from the Earth,, called psi, to do everything. Literally. They use the telekinetic power to put food in their mouths, open doors, and power their vehicles. Taemon has an additional ability that is rarely seen; he is able to project his mind into other things. He can enter an engine to figure out how it runs, a lock to figure out its combination, and he can enter water to find the oxygen. However, he loses all of his powers when he won't kill his brother, and he's sent to a colony of powerless people. His brother is announced to be the chosen one, and Taemon discovers some secrets held within the colony. The two paths cross again, but it may not be enough to stop a devastating war.

I haven't read many novels where the character has special abilities and then loses them. Taemon thinks that using his hands to perform tasks is almost barbaric, but he learns to value this ability. His character must adapt to these changes, but he may need his psi powers again to resolve the colony's problems. But the powers can't be turned on and off like a light switch. It's an intriguing conflict. This book is the first in a series.