gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Fuel Injector|Diagrams > < Fuel System - Fuel Injector Maintenance Cleaning
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Fuel Injector: Specifications

If the pressure drop value for each fuel injector is within 10 kPa (1.5 psi) of the average pressure drop value, the fuel injectors are flowing properly.
Calculate the pressure drop value for each fuel injector by subtracting the second pressure reading from the first pressure reading.

Fuel Injector|Diagrams > < Fuel System - Fuel Injector Maintenance Cleaning