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 MANUALSKIA2015OPTIMA HYBRIDREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSENGINE CONTROL SYSTEM - OPTIMA HEVFUEL TANK PRESSURE SENSOR (FTPS)REPAIR PROCEDURESINSPECTION

2015 Kia Optima Hybrid

Repair Procedures: Inspection

2015 Kia Optima HybridSECTION Inspection

Connect the GDS on the Data Link Connector (DLC).
Measure the output voltage of the FTPS.

Pressure [kPa (kgf/cm, in H2O)	Output Voltage (V)
-6.67 (-0.068, -26.8)	0.5
0	2.5
+6.67 (0.068, 26.8)	4.5

Fig 1: Identifying FTPS Performance Graph

Courtesy of KIA MOTORS AMERICA, INC.

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.