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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 89 (Engine Controls And Fuel - 3.6L (LF4 LGX) - DTC P0121 LF4 To DTC P0685 LF4) >> Diagnostic Information and Procedures >> DTC P0627-P0629: Fuel Pump Speed (LGX) >> Repair Instructions

Repair Instructions

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

Perform the Diagnostic Repair Verification after completing the repair.

Control Module References for K20 Engine Control Module or K38 Chassis Control Module replacement, programming, and setup

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