The camshaft work fixes a problem with the veh leaking fluid from the camshaft. That should not increase power. However, if they did the ECM reflash, then that has helped out a bit with performance.clinch said:I just had this done today, and it feels as though my car has more balls now than it did before. Not being much of a car whiz, I'm not sure if this is expected, or whether I'm just dreaming. Is the camshaft sensor work supposed to improve performance?