Kia Optima: Repair procedures
Inspection
[System Inspection]
|
1. |
Disconnect the vapor hose from the throttle body
and connect a vacuum pump to the nipple on the throttle body. |
|
2. |
Check the following points with applied vacuum using
a vacuum pump. · At Cold Engine [Engine Coolant Temperature < 60°C(140°F)]
Engine
Operating
Condition
|
Applied
Vacuum
|
Result
|
Idle
|
14.5 inHg
(0.5 kgf/cm², 49.0kPa)
|
Vacuum is held
|
3,000rpm
|
· At Warmed Engine [Engine Coolant Temperature >
80°C(176°F)]
Engine
Operating
Condition
|
Applied
Vacuum
|
Result
|
Idle
|
14.5 inHg
(0.5 kgf/cm², 49.0kPa)
|
Vacuum is held
|
Within 3 minutes after engine start at 3,000
rpm
|
Try to apply vacuum
|
Vacuum is released
|
In 3 minutes after engine start at 3,000 rpm
|
14.5 inHg
(0.5 kgf/cm², 49.0kPa)
|
Vacuum will be held momentarily, after which,
it will be released
|
|
[PCSV Inspection]
|
1. |
Turn ignition switch OFF and disconnect the negative
(-) battery cable. |
|
2. |
Disconnect the PCSV connector (A). |
|
3. |
Disconnect the vapor hose (B) which is connected
to the intake manifold from the PCSV.
|
|
4. |
After connecting a vacuum pump to the nipple, apply
vacuum. |
|
5. |
With the PCSV control line grounded, check the valve
operation with battery voltage applied to the PCSV(Open) and removed(Closed).
Battery Voltage
|
Valve
|
Vacuum
|
Connected
|
Open
|
Released
|
Disconnected
|
Close
|
Maintained
|
|
|
6. |
Measure the coil resistance of the PCSV.
Specifications:
19.0 ~ 22.0Ω [20°C(68°F)]
|
|
[EVAP. Leakage Test]
|
1. |
Select "Evap. Leakage Test".
|
|
2. |
Proceed with the test according to the screen introductions.
|
Schematic Diagram
CanisterThe Canister is filled with charcoal and absorbs evaporated
fuel vapor from the fuel tank. The gathered fuel vapor in canister is drawn
into the intake manifold b ...
Schematic Diagrams