1994 Kia Sephia LS, AutomaticFACTORY OEM SERVICE PROCEDURE

Fuel Pump Relay

Locate fuel pump relay. Relay is located below center of instrument panel, in front of center console. Measure voltage at fuel pump relay connector as indicated. Disconnect fuel pump relay and check resistance at relay terminals as indicated. If voltage or resistance is not as specified, replace relay. See FUEL PUMP VOLTAGE TESTΒ  table and FUEL PUMP RESISTANCE TESTΒ  . See Fig 1 .

FUEL PUMP RELAY VOLTAGE TEST

Connector Pin No. & Ignition Switch Position Volts
1 (BLU/RED Wire)
On Zero
Start About 12
2 (WHT/GRN Wire)
On About 12
Start About 12
3 (PNK Wire)
On Zero
Start About 12
4 (BLU/GRN Wire)
On About 12
Start Zero
6 (BLK Wire)
On Zero
Start Zero
FUEL PUMP RELAY RESISTANCE TEST

Check Between Pin Nos. Ohms
1 & 2 Infinity
2 & 4 109-226
3 & 6 21-43
Fig 1: Identifying Fuel Pump Relay Terminals
G94F44326Courtesy of KIA MOTORS AMERICA, INC.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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