Kia Optima: Inspection
[Fuel pump]
| 1. |
Turn the ignition switch OFF, and then remove battery
(-) cable.
|
| 2. |
Remove the fuel pump assembly. |
| 3. |
Check motor operation by fuel pump connector (A)
connecting power (No.4) and ground (No.5).
Pin No.
|
Description
|
1
|
Fuel sender ground
|
2
|
-
|
3
|
Fuel sender signal
|
4
|
Fuel pump motor (+)
|
5
|
Fuel pump motor ground
|
|
[Fuel sender]
| 1. |
Turn the ignition switch OFF, and then remove battery
(-) cable.
|
| 2. |
Remove the fuel pump assembly. |
| 3. |
Using an ohmmeter, measure the resistance between
terminals 1 and 3 of sender connector (A) at each float level. 
Pin No.
|
Description
|
1
|
Fuel sender ground
|
2
|
-
|
3
|
Fuel sender signal
|
4
|
Fuel pump motor (+)
|
5
|
Fuel pump motor ground
|
|
| 4. |
Also check that the resistance changes smoothly when
the float is moved from "E" to "F".
Position
|
Resistance(Ω)
|
Capacity (ℓ)
|
E
|
198~205
|
5
|
Warning lamp
|
168~172
|
8.5
|
1/2
|
65~67
|
37.5
|
Sender (F)
|
7~9
|
68
|
|
1.
Release the residual pressure in fuel line (Refer
to “Release Residual Pressure in Fuel Line” in this group).
2.
Remove the fuel pump service cover (A) in the ...
See also:
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oil an ...
Trip Interruption
Trip interruption expense benefits are provided in the event that a warranty-related
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Removal and Installation
1.
Disconnect the battery terminals.
(Refer to Engine and transaxle assembly in this group)
2.
Remove the air cleaner assembly
and the intercooler inlet/outlet hoses. ...
Removal