Operation CHARM: Car repair manuals for everyone.

California

Engine Vacuum At Idle 20 in.Hg (67 kPa)

EGR Solenoid:
Above 170° F (70° C) EGR solenoid is energized (EGR operates)

Purge Control System:
Above 150° F (65° C) purge solenoid is energized (purge operates)