K 1500 Truck 4WD V8-5.7L VIN R (1997)
EGR Valve: Description and Operation
Exhaust Gas Flow
EGR Valve Subassemblies
DESCRIPTION
The control module command exclusively operates the linear Exhaust Gas Recirculation (EGR) valve. The control module monitors the following
various engine parameters:
^
The Throttle Position (TP) sensor.
^
The Manifold Absolute Pressure (MAP).