The CSV gets it's power from the starter motor primary wire, then the 12 volts goes to the thermal time switch for further decisions...
It only gets electricity to it's solenoid valve and opens while the starter motor is energized and spinning, and the duration it is open while cranking the starter is decided by the thermal time switch's ambient temperature reading.
You would have to be cranking the starter motor for 30 seconds in extreme cold for it to possibly be open and spraying fuel for 30 seconds... and that would probably flood out the motor.
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