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 ...
See also:
Inspection with GDS
Initialization and diagnosis sequence by using GDS equipment.Below content summarize
the procedure for A/S using GDS.
No.
Procedure
1
Locate vehi ...
Child seat anchorage position
For small children and babies, the use of a child seat or infant seat is strongly
recommended. This child seat or infant seat should be of appropriate size for the
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Inspection
Cylinder Head
1.
Inspect for flatness.Using
a precision straight edge and feeler gauge, measure the surface the contacting
the cylinder block and the manifolds for warpage.
...