system, comprising: an integrated fuel pump and control comprising a metering valve , a solenoid valve and a pin interface ; an electronic engine controller (EEC) electrically couplable to the integrated fuel pump and control; and a portable fuel preservation system , comprising: a switch box configured to open and close the metering valve and the solenoid valve of the integrated fuel pump and control during preservation of a fuel system , comprising: a mating connector couplable to the pin interface of the integrated fuel pump and control; and a circuit electrically coupled to the mating connector, the circuit comprising: a power supply electrically coupled to a first pin of the mating connector , wherein the first pin of the mating connector is configured to engage a second pin of the pin interface , and wherein the second pin is electrically connected to the metering valve of the integrated fuel pump; and a resistor coupled between the power supply and the first pin; a driver configured to inject preservation fluid into the integrated fuel pump and control ; and wherein, in use, the circuit generates a current that opens the metering valve and the solenoid valve of the integrated fuel pump and control . an integrated fuel pump and control comprising a metering valve , a solenoid valve and a pin interface ; an electronic engine controller (EEC) electrically couplable to the integrated fuel pump and control; and a portable fuel preservation system , comprising: a switch box configured to open and close the metering valve and the solenoid valve of the integrated fuel pump and control during preservation of a fuel system , comprising: a mating connector couplable to the pin interface of the integrated fuel pump and control; and a circuit electrically coupled to the mating connector, the circuit comprising: a power supply electrically coupled to a first pin of the mating connector , wherein the first pin of the mating connector is configured to engage a second pin of the pin interface , and wherein the second pin is electrically connected to the metering valve of the integrated fuel pump; and a resistor coupled between the power supply and the first pin; a mating connector couplable to the pin interface of the integrated fuel pump and control; and a circuit electrically coupled to the mating connector, the circuit comprising: a power supply electrically coupled to a first pin of the mating connector , wherein the first pin of the mating connector is configured to engage a second pin of the pin interface , and wherein the second pin is electrically connected to the metering valve of the integrated fuel pump; and a resistor coupled between the power supply and the first pin; a power supply electrically coupled to a first pin of the mating connector , wherein the first pin of the mating connector is configured to engage a second pin of the pin interface , and wherein the second pin is electrically connected to the metering valve of the integrated fuel pump; and a resistor coupled between the power supply and the first pin; a driver configured to inject preservation fluid into the integrated fuel pump and control ; and wherein, in use, the circuit generates a current that opens the metering valve and the solenoid valve of the integrated fuel pump and control . <EOS>