Cimarron V6-173 2.8L (1986)
Distributor Vacuum Control: Testing and Inspection
Distributor Vacuum Modulator Valve (DVMV)
This valve has a calibration point of 8.7 inches Hg. Whenever the manifold or ported vacuum is less than 8.7 inches, the DVMV switches to full
manifold vacuum. Whenever manifold or ported vacuum is greater than 8.7 inches Hg, the DVMV switches to the highest vacuum, either ported or
manifold.
