Parisienne V8-305 5.0L (1985)
![background image](/pontiac/parisienne/v8-305_5.0l/Page-442001.png)
Distributor Vacuum Control: Description and Operation
Distributor Thermal Control Valve (DTCV)
This valve is used in the manifold vacuum line to the distributor vacuum advance to improve driveability during cold engine operation.