gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

99-06-04-049 > < PCM - Lean Hesitation/Sag/Stumble
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The calibration and software updates are available as shown.

Warranty Information

For vehicles repaired under warranty, use table as shown.

DISCLAIMER

99-06-04-049 > < PCM - Lean Hesitation/Sag/Stumble