My car stop working, the car was on I was.

My car stop working, the car was on I was working on the exaust system, by accident I cut the cord of the co sensor I guess, is the one that goes after the catalytic converter, and the car stop working, it does crank, the batery is good the ingnition is good, the fuel injection is good, I replace the sensor, replace the spark plugs, even the coil that substitute the distributor in my vehicle, is s 97 mitusubishi mirage, 1.8, I dont know what else to do to have the car running, I think is a eletrical problem