Does a crank shaft position sensor have a break in time for a 92 chevy lumina?

if you are having a break in time and its related the the CPS (Crankshaft Position Sensor) either the sensor is bad itself or not a tight connection on the plug, and every so often the male pins that go to the female pins can get a film on them due to oxidation, so unplug the sensor and plug it back in and see if the vehicle does the thing that it has been doing. Could also test the sensor if you are able to get a voltmeters leads to the connector wires while the vehicle is running, but usually u cannot depending on the location of the sensor.