Impreza Wagon FWD F4-1820cc 1.8L SOHC (1995)
Main Relay (Computer/Fuel System): Description and Operation
PURPOSE
To provide power to the following components:
^
Mass air flow sensor
^
Canister purge control solenoid
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Fuel Injectors
^
Air control valve
^
O2 sensor heater
^
FICD solenoid