Download PDF File How to Replace Toyota PCV Valve Guide Manual . There are many variations in the step-by-step procedures used in installing various parts,
TROUBLESHOOTING
CONDITION
Engine runs rough or will not run:
REFERENCES
ACTION
Check the rubber hose for clogs; check the hose and grommet for cracks, cuts and deterioration (see step 4). Check the hose clamp for tightness and location (see step 5). Make sure the PCV valve has not been installed backward. If problems persist, take the vehicle to your Toyota Dealer Service Department for diagnosis and repair. Please refer to the following sources for additional information: