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Home >> GMC >> 1997 >> Forward Control 6.5 F >> Repair and Diagnosis >> External Pages >> Different car >> Section 32 (Engine Controls - Basic Diagnostic Procedures - 4.3L) >> C-4, Basic Ignition System Checks >> Enhanced/High Value Ignition System (OBD-II) >> Notes
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Enhanced/High Value Ignition System (OBD-II): Notes

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 1996 Chevrolet Chevy Van, 1995 GMC Vandura, 1995 GMC Sonoma, 1995 GMC Safari, and 1995 GMC Rally. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: This system is used on "S" and "T" Series with 4.3L engine equipped with VCM-A controller. Timing is not adjustable on this system.
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