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:
Oil Pump Components and Components Location
Component
1. Flange bolt2. Sleeve3. Reaction shaft support assembly4. Driven gear 5. Sleeve6. Driven gear 7. Oil pump housing
...
Components and Components Location
Components Location
1. PCV valve2. Canister3. Purge control solenoid valve (PCSV)4. Fuel tank pressure sensor (FTPS)5. NVLD (Natural Vaccum Leakage Detection) Module6. Fuel level sender (FLS)7 ...
Chart 1
...
Removal