Engine loses power occasionally
First thing you'd want to do, if you haven't already, is to change the fuel filter (https://www.yourmechanic.com/services/fuel-filter-replacement). If you did, you'd want to check the catalytic converter (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-catalytic-converter), because when the catalytic converter starts to clog up, it can't exit...