GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
1997
🢒
Sonoma Pickup - 4WD
🢒
Engine
🢒
Engine Controls - 4.3L
🢒 Emission Hose Routing Diagram
(1)
EVAP Purge line
(2)
Positive Crankcase Ventilation (PCV) Valve
(3)
To rear HVAC (when used)
(4)
Throttle Body
(5)
Crankcase Vent (to fresh air)
(6)
Manifold Absolute Pressure (MAP) Sensor
(7)
EVAP Purge Solenoid
(8)
EVAP Service Port