buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

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Injector Resistance, Application Chart & J-39021 Tester Values|Page 3013 > < Injector Resistance, Application Chart & J-39021 Tester Values|Page 3011

Riviera V6-231 3.8L VIN L SFI (1991)

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Fuel Injector: Description and Operation

Fuel Injector Assembly

MPFI Injector - Cross Section

PURPOSE

The Multi-Port Fuel Injector is a solenoid-operated device, controlled by the Powertrain Control Module (PCM), that meters the pressurized fuel
to a single engine cylinder.  

OPERATION

Injector Resistance, Application Chart & J-39021 Tester Values|Page 3013 > < Injector Resistance, Application Chart & J-39021 Tester Values|Page 3011