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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Controls - 6.6L - Introduction (2 Of 2)) >> Repair Instructions >> Fuel Injector Flow Rate Programming >> Circuit/System Verification

Circuit/System Verification

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Review the Display ECM & GPCM Inj. Flow Rates parameter with a scan tool. All cylinders should be programmed with a flow rate number. Both the GPCM and the ECM should be programmed with the same flow rate numbers for the corresponding cylinders.

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