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EC-30 < FUNCTION DIAGNOSIS > [VQ25DE, VQ35DE] MULTIPORT FUEL INJECTION SYSTEM FUEL INJECTION TIMING Two types of systems are used. Fuel is injected into each cylinder during each engine cycle according to the firing order. This system is used • Simultaneous Multiport Fuel Injection System Fuel is injected simultaneously into all six cylinders twice each engine cycle. In other words, pulse signals of FUEL SHUT-OFF Fuel to each cylinder is cut off during deceleration, operation of the engine at excessively high speeds or oper- SEF179U |