... kits(Poland)(cng fuel auto,cng regulator,cng mixer,ECU,switch) STAG300,CNG/LPG injection system kits 1.ECE-R110 ... car, and integrate water temperature sensor signal, intake manifold pressure sensor, intake air temperature sensor, gas temperature sensor signal, gas pressure ... gas engine emission standards, such as EU2, EU3, EU4 and over. (Poland)(cng fuel auto,cng regulator,cng mixer,ECU,switch) ...