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Home >> GMC >> 1995 >> Forward Control 7.4 N >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (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 is about a different variant/trim than selected.
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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