Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSKIA2015SOUL BASE, AUTOMATIC TRANSREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM DIAGNOSIS (2 OF 2) - 1.6LDTC P2195: O2 SENSOR SIGNAL STUCK LEAN (BANK 1/SENSOR 1)SYSTEM INSPECTION

2015 Kia Soul Base, Automatic Trans

System Inspection

2015 Kia Soul Base, Automatic TransSECTION System Inspection

Check air leakage
1. Visually/physically inspect the intake system for following items
  - Vacuum hoses for splits, kinks and improper connections.
  - Air leakage after throttle body.
2. Have any problems been found?
  YES
  - Repair or replace it which has a problem, and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
  NO
  - Go to "Check the fuel line" as follows.
Check the fuel line
1. Check the fuel line for following items
  - Connector status.
  - Damaged/bent/pressed/twisted fuel line.
  - Fuel leakage.
2. Have any problems been found?
  YES
  - Repair or replace it which has a problem, and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
  NO
  - Go to "Check fuel pressure" as follows.

Check fuel pressure

NOTE:

Be cautious that Fuel is explosive and an empty fuel tank can still contain explosive gases. When working on fuel system make sure to supply adequate ventilation to the work area. Do not smoke, and keep sparks and open flames away.
The fuel system remains under pressure when the engine is not running. Release fuel system pressure before disconnecting any fuel line to reduce the chance of personal injury or fire damage to vehicle components.

Start-up the engine and remove the fuel pump fuse and wait until engine stops.
Install the fuel pressure gauge to the delivery pipe with the fuel pressure gauge adaptor.
Install the fuel pump fuse and start-up the engine.
Check that there is no fuel leakage from the pressure gauge or connection part.
Measure the fuel pressure at idle.
Specification: 480.5 ~ 500.1 kPa (4.9 ~ 5.1 kg/cm² , 84.3 ~ 87.2 psi)

Is the measured fuel pressure within specifications?

YES

Go to "COMPONENT INSPECTION " procedure.

Repair or replace according to the below table. And then, go to "VERIFICATION OF VEHICLE REPAIR " procedure.

Condition	Possible Cause
Fuel Pressure is too low	Fuel filter, Fuel pump, Fuel pipe
Fuel Pressure is too high	Fuel pump, Fuel pipe

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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

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