The DTC code P0191 in a Kia vehicle is a sign that the onboard computer has registered the following anomaly:
"Fuel Rail Pressure Sensor Circuit Malfunction"
Although this is a standardized OBD2 code, the symptoms and the location of the faulty sensor can vary depending on the exact model of your Kia (year, engine type, etc).
Instead of changing parts blindly, use the CarWatch AI assistant. Scan your Kia's sensors in real-time and find out the root cause of the P0191 fault before going to the shop.
👉 Diagnose my Kia for FreeTo clear the engine light and read the P0191 code from your phone, you need an OBD2 adapter compatible with the Kia ECU.
🛒 View Compatible Scanner on Amazon