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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Fuel Systems (Diesel Engines) >> Idle Speed >> Curb Idle Speed

Curb Idle Speed

Curb idle speed is controlled by PCM based on signals from crankshaft RPM, pump cam sensor and various temperature sensors. No mechanical adjustment of curb idle speed is possible.