P0117 on Kia Forte
Factory diagnostic protocol and troubleshooting wire for fault code P0117 specifically for the Kia Forte (2020–2026, 2.0L Smartstream 4-Cyl (147HP) / 1.6L Turbo GT (201HP)).
1. Symptoms of P0117 on Kia Forte
When the Engine Control Module (ECM/PCM) on your Kia Forte (2.0L Smartstream 4-Cyl (147HP) / 1.6L Turbo GT (201HP)) logs fault code P0117, drivers commonly observe:
2. Most Likely Causes on Kia Forte
Historical warranty claims and technical repair bulletins for Kia Forte point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Kia Forte
Read ECT live PID on scanner. If it reads 284°F (140°C) or higher with engine cold, a short to ground exists. on the Kia Forte equipped with 2.0L Smartstream 4-Cyl (147HP) / 1.6L Turbo GT (201HP).
Unplug sensor connector while watching live data. If temperature drops to -40°F (-40°C), the sensor itself is shorted. on the Kia Forte equipped with 2.0L Smartstream 4-Cyl (147HP) / 1.6L Turbo GT (201HP).
If reading stays pegged at max with sensor unplugged, inspect harness for pinch points grounding against engine block. on the Kia Forte equipped with 2.0L Smartstream 4-Cyl (147HP) / 1.6L Turbo GT (201HP).
Allow engine to cool, unscrew old ECT sensor from coolant crossover pipe or thermostat housing, install new OEM sensor with fresh thread sealant. on the Kia Forte equipped with 2.0L Smartstream 4-Cyl (147HP) / 1.6L Turbo GT (201HP).
Bleed air from cooling system, clear DTCs, and verify normal temperature rise on live data. on the Kia Forte equipped with 2.0L Smartstream 4-Cyl (147HP) / 1.6L Turbo GT (201HP).
Equipment for Diagnosing Kia Forte (P0117)
VVT Oil Control Solenoid Valve
Restores accurate camshaft timing and oil pressure regulation on Kia Forte.
AstroAI Auto-Ranging Digital Multimeter
Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.
BlueDriver Bluetooth Pro OBDII Scan Tool
Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.
Other Common Fault Codes on Kia Forte
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Kia Forte:
4. Kia Forte P0117 FAQs
What causes code P0117 to trigger on a Kia Forte?
On the Kia Forte (2.0L Smartstream 4-Cyl (147HP) / 1.6L Turbo GT (201HP)), P0117 is most frequently caused by ECT sensor internal short to ground or Short circuit to ground in ECT signal wiring harness.
Where is the OBD-II port located on my Kia Forte?
On the Kia Forte, the 16-pin DLC diagnostic connector is located Behind driver dash bezel near knee panel. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.
Can I safely drive my Kia Forte with code P0117?
No. The ECU thinks the engine is at 280°F+ (overheating) and runs rich or disables cooling fan logic. Given that P0117 carries a High severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.