Roadmaster Estate Wagon V8-350 5.7L (1993)
okay. If no vacuum is present, the engine may not be sealed and/or drawing in outside air. If pressure registers on the gauge, check for a plugged
hose or excessive engine blow-by.
8.
Turn the engine off, and remove the PCV valve from hose. Shake the PCV valve and listen for a rattle. If a rattle was not heard, replace the valve.
