cadillac Workshop Repair Guides

Cadillac Workshop Service and Repair Manuals

Delay Valve Trapped Spark (DV-TS)|Page 783 > < Electronic Module Retard-Vacuum Switch (EMR-VS)|Page 778
Page 1
background image

Vacuum Spark Delay Valve: Description and Operation
Delay Valve Trapped Spark (DV-TS)

PURPOSE

The DV-TS--located in the vacuum line between the carburetor and the distributor advance unit--controls exhaust emissions by delaying vacuum
advance during some acceleration modes.

Delay Valve Trapped Spark (DV-TS)|Page 783 > < Electronic Module Retard-Vacuum Switch (EMR-VS)|Page 778