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Home >> Isuzu >> 2003 >> Rodeo 2WD V6-3.2L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Description and Operation >> Fuel Metering System >> Fuel Metering System Components >> Fuel Injector
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Fuel Injector





The sequential multiport fuel injection (SFI) fuel injector is a solenoid-operated device controlled by the PCM. The PCM energizes the solenoid, which opens a valve to allow fuel delivery.

The fuel is injected under pressure in a conical spray pattern at the opening of the intake valve. Excess fuel not used by the injectors passes through the fuel pressure regulator before being returned to the fuel tank.

A fuel injector which is stuck partly open will cause a loss of fuel pressure after engine shut down, causing long crank times.
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