low speed

My 2018 mazda cx5, about 1000 miles. When I stop and then press the gas , I felt jerky and stuttering at the low speed sometimes. Is it normal or something wrong with the transmission?

Hello all, first post! And a challenging one too... 2003 Protege5, 107k Here's what's happening: most of the time car runs ok although the check engine light is almost always on. On ocassion, and more frequently, when completely stopped, the revs will go down to almost zero (but it has NEVER...