Engine light on 1992 Oldsmobile 88

when my engine light come on sometimes my car jerks. when i am driving down the road some times i feel it lose power. I put a new fuel pump, fuel filter and air mass flow

Asked by for the 1992 Oldsmobile 88
Start with RepairPal's Check Engine Light article:

Could be a large number of things, and you'll likely need some help with diagnosis.