4th Gerneration CNG/LPG ECU kit for 4 cylinders car ,,LPG conversion kit,CNG conversion kit, SYP CNG/LPG ECU kit for 4 cylinders car ,, Used in Sequention injection system for 4 cylinder EFI enginee . including switch K119A,MAP sensor ,cabelWith Timing advancer ,OBD-2 compatible Take the Micro-computer muti-point injection technical technology. The ECU is high level sensitive micro-computer . ...