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Home >> GMC >> 1997 >> Yukon 4D Utility, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Component Tests - 5.7L >> Miscellaneous Pcm/VCM Controls >> Notes

Miscellaneous Pcm/VCM Controls: Notes

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NOTE: Although not considered true engine performance-related systems, some controlled devices may affect driveability if they malfunction.