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Home >> Jeep >> 1981 >> Cherokee Base, 2D Utility, 5.9L Eng VIN N, 4WD, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Exhaust Gas RECIRCULATION >> Operation >> Notes

Exhaust Gas RECIRCULATION: Operation: Notes

When EGR valve receives a vacuum signal from the carburetor, through the CTO switch, EGR valve opens and meters gases from exhaust manifold into intake manifold. Individual component operation follows: