... ,CNG/LPG injection system kits(Poland)(cng fuel auto,cng regulator,cng mixer,ECU,switch) STAG300,CNG/LPG injection system kits ... following parts:1. CNG regulator2. Gas filter3. High pressure tube4. Pressure sensor5. ECU6. Filling charge valve7. other tubes8. Spare ... , and integrate water temperature sensor signal, intake manifold pressure sensor, intake air temperature sensor, gas temperature sensor ...