Spectra S10394 Engine Crankshaft Position Sensor

Engine Crankshaft Position Sensor for Kia

The Spectra S10394 engine crankshaft position sensor monitors crankshaft speed and position to support ignition timing and engine RPM calculation. It is a direct-fit replacement for select Kia Rio and Kia Soul models with Idle Stop and Go function.

• Engine crankshaft position sensor for ignition timing and RPM signal input
• Supports distributorless engine timing control
• Direct replacement for select Kia Rio and Kia Soul applications
• Fits 2012-2017 Kia Rio, N/A, w/ Idle Stop and Go Function
• Fits 2013-2016 Kia Soul, N/A, w/ Idle Stop and Go Function

Detailed Application Information

Built for vehicles that rely on electronic engine management, the Spectra S10394 helps the ECU track crankshaft position so ignition timing and engine speed data stay accurate. This part number, S10394, is used on Kia Rio and Kia Soul models equipped with Idle Stop and Go Function, making it a focused replacement for the listed applications. This part cross-references 5S12941 and 391802B020 for the same application.

Common Issues This Sensor May Address

• Hard starting or extended crank time
• Intermittent stalling after startup
• Rough idle caused by incorrect engine speed input
• Check engine light related to crankshaft position signal faults
• Loss of ignition timing reference from a failing sensor

Installation Notes and Tips

Verify the vehicle year, model, and Idle Stop and Go configuration before ordering. Inspect the connector, wiring, and mounting area for damage or contamination during replacement. Clear diagnostic trouble codes after installation and confirm stable engine RPM signal during a road test.

Quality Assurance

Spectra supplies engine management components for OE-style replacement needs, and the S10394 is built to meet the requirements of the listed Kia applications.