1. A method for managing a welder engine of an engine driven welder, comprising: continuously monitoring welder parameters related to the engine driven welder; continuously monitoring environmental parameters influencing the welder engine; continuously calculating a restart value based at least in part on the welder parameters and the environmental parameters; continuously monitoring activity related to the engine to maintain an activity history; and transmitting a stop signal to stop the engine based at least in part on the activity history and the restart value being outside a running range.