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Home >> GMC >> 1987 >> Forward Control 7.4 W, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 17 (Engine Controls - Tests W/Codes - 7.4L) >> Trouble Code Charts >> Notes
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Trouble Code Charts: Notes

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 1994 GMC Vandura Special, 1994 GMC Vandura, 1994 GMC Suburban, 1994 GMC Rally Camper Special, and 1994 GMC Rally. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: The following diagnostic mini-schematics are supplied courtesy of General Motors Corp.