NHTSA Complaint #11547251 — 2015 HYUNDAI ELANTRA

ok so i dont know how to answer this so im just gonna tell you whats happening well my car is dieing out at random times and the check engine light came on i had it read and it was the crankshaft sensor i then replaced it and then right after the same thing happens again well i had gone bacj=k and the guy sead its not reading anything els so he just changed my oil and sparkplugs and said it should be fine well today it happend again and now my MPH thing dont work and when i try to step on the gas because its battery is still on all the lights and stuff work AC ect. and it still drives but is shakey and feels very unsafe there where no warning lihgts or issues befor hand and this happen all within 3 weeks today is sep/29/2023 HELP i cant have my 3 kid in this car stoping in the middle or the busy st or hwy