I am having problem my 2006 dodge charger
It's possible that the fuel pump is your source of issues. However, if you haven't cleaned your throttle body (https://www.yourmechanic.com/article/how-can-i-keep-my-fuel-system-clean), fuel injectors, or replace the fuel filters (https://www.yourmechanic.com/services/fuel-filter-replacement), I'd suggest you complete those services before buying or installing a new...