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Engine light on 1992 Oldsmobile 88

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
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 sensor.help
(1) Answer
Start with RepairPal's Check Engine Light article: http://repairpal.com/check-engine-light

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