SELVA MARINE Blue Whale 250 EFI, Руководство по обслуживанию

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Electronic fuel injection control system
In the Blue Wlale 250 engine, the electronic fuel injection control system controls the fuel injection tim-
ing and volume. Maximum output, low fuel consumption, and low emissions are achieved by main-
taining the optimum air-fuel ratio under various engine operating conditions.
Fuel injection control
Description Control Engine condition
Injection timing Simultaneously injects into cylinder groups
#1 and #4, #2 and #5, and #3 and #6. Starting
Sequential injection in order of cylinders #1,
#2, #3, #4, #5, and #6. Normal operation
Injection volume Controls the operation time of the injectors
according to the atmospheric pressure and
intake air temperature. From cranking to starting
Controls the operation time of the injectors
according to the atmospheric pressure,
intake air temperature, and engine tempera-
ture. Normal operation
Stops injection. Turned off
Asynchronous
injection Simultaneously injects into all cylinders to
prevent a lean air-fuel ratio. Accelerated operating
speeds
Feature and benefit