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 MANUALSHYUNDAI2005SANTA FE GLS, 2.7 D, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 4 (ENGINE CONTROL SYSTEM DIAGNOSIS (3.5L) (1 OF 2))DTC TROUBLESHOOTING PROCEDURESDTC P0181: FUEL TEMP SENSOR A CIRCUIT RANGE/PERFORMANCECOMPONENT INSPECTION
2005 Hyundai Santa Fe GLS, 2.7 D, AWD
Component Inspection
2005 Hyundai Santa Fe GLS, 2.7 D, AWDSECTION Component Inspection
WARNING: This page is about a different variant/trim than selected.
- Ignition "OFF"
- Disconnect Fuel Tank Unit connector.
- Measure resistance between terminal 1 and 2 of the Fuel Temperature Sensor connector (To Component Side).
Specification :
At 0 °C (32°F), Resistance 4 ~ 7 kΩ
At 20 °C (68°F), Resistance 2 ~ 3 kΩ
At 40 °C (104°F), Resistance 0.9 ~ 1.3 kΩ
At 80 °C (176°F), Resistance 0.2 ~ 0.4 kΩ
- Is the measured resistance of FTS within specifications?
Yes
- Substitute with a known-good PCM and check for proper operation. If the problem is corrected, replace PCM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Substitute with a known-good FTS and check for proper operation. If the problem is corrected, replace FTS and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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.