Mike's Workshop Manuals: Service manuals for every vehicle

Home >> GMC >> 1994 >> Forward Control 4.3 Z, Standard >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation - Gasoline >> Fuel System >> Idle Speed >> Notes

Idle Speed: Notes

PCM controls engine idle speed depending upon engine operating conditions. ECM senses engine operating conditions and determines best idle speed.

scientia non olet · About Mike's Workshop Manuals