Schematic Diagrams
Repair procedures
1. |
After disconnecting the vapor
hose from the PCV valve, remove the PCV valve. |
2. |
Reconnect the PCV valve to the
vapor hose. |
3. |
Run the engine at idle, then
put a finger over the open end of the PCV valve and make sure that intake
manifold vacuum can be felt.
•
|
The plunger inside
the PCV valve will move back and forth at vacuum. |
|
|
4. |
If the vacuum is not felt inspect
PCV operation, if operating correctly clean or replace the vapor hose. |
Positive Crankcase Ventilation (PCV) Valve Description and Operation
Positive Crankcase Ventilation (PCV) Valve Repair procedures
1. |
Disconnect the vapor hose (A). |
2. |
Remove the PCV valve (B).
|
1. |
Insert a thin stick (A) into
the PCV valve (B) from the threaded side to check that the plunger movement.
•
|
If the plunger
does not move (PCV valve is clogged), clean or replace the
valve.
|
|
|
1. |
Installation is reverse of removal.
PCV Valve installation :
1.96 ~ 2.94 N.m (0.2 ~ 0.3 kgf.m, 1.45 ~ 2.17 lb-ft)
|
|
Description and Operation
Description
Emissions Control System consists of three major systems.
-
The Crankcase Emission Control
System prevents blow-by gas from releasin ...
Description and Operation
Description
The Evaporative Emission Control System prevents fuel vapor stored in fuel tank
from vaporizing into the atmosphere. When the fuel evaporates in ...