LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 1993 >> Forward Control 4.3 Z, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System (Gasoline) >> Throttle Body (PFI) >> Removal (3.8L)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Removal (3.8L)

  1. Relieve fuel pressure. See FUEL SYSTEM PRESSURE RELIEF (TBI) under FUEL SYSTEM (GASOLINE). Disconnect negative battery cable. Drain coolant from radiator. Remove air induction tube, throttle and cruise control cables.
  2. Disconnect electrical harness connector from IAC, TP sensor and MAF sensor. Remove throttle body mounting bolts. Remove throttle body assembly.