XL-7 Touring 4WD V6-2.7L (2002)
PCV Valve Hose: Testing and Inspection
PCV Hose Inspection
NOTE: Be sure to check that there is no obstruction in PCV valve or its hoses before checking engine idle speed / IAC duty for obstructed PCV valve
or hose hampers its accurate checking.
Check hoses for connection, leakage, clog, and deterioration. Replace as necessary.