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Home >> Pontiac >> 2006 >> G6 GTP, 2D Convertible >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 3.9L - DTC P2077 To DTC P2A04 >> DTC P2077 or P2078 >> Circuit/System Verification

Circuit/System Verification

Command the IMT valve ON. The IMT Valve Command parameter should transition from open to closed and the IMT Valve Feedback parameter should transition from 20-22 percent to 77-80 percent.