1998 Chevrolet Malibu suddenly lost power

I have a 1998 2.4 L Malibu car that all the sun going down the road it loses all power in and start spitting in sputtering and we replace the spark plug boots and the Cadillac converter was stopped up so we fixed it but

Is the check engine light on? My top of the head guess–and that’s all it is–would be a bad fuel pump.