K 2500 Suburban 4WD V8-454 7.4L (1994)
EGR Valve: Description and Operation
Linear EGR Valve Control
Linear EGR Circuit Wiring Diagram
OPERATION:
The PCM operates the linear EGR valve to control exhaust gas recirculation, by providing a ground control that commands the pintle valve away from
its seat allowing exhaust gas through the valve.
