Fuel Rail Pressure Sensor Diagnostics | Test & Fix P0191 Fuel Rail Pressure Sensor Circuit

In this video I show you how I test the fuel rail pressure sensor when there is P0191 Fuel Rail Pressure Sensor Circuit Range/Performance fault code. I perform the test on a KIA Rio 2012 with GDi fuel system. During diagnostic, I explain the wiring diagram for sensor, I explain the step by step diagnosis on the wiring and at the same time I show you how o find the wires and pins on sensor connector and PCM connector. I also explain how to test the sensor operation by monitoring the live data on scan tool.

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#p0191 #fuelsystem #engine #gdi #kia #hyundai

Disclaimer:
Any information contained in this video is just the understanding of “KIA & Hyundai Diagnostics” and it is not an official guide or reference, so everything provided in this video is just a share of our experience and understanding and they are provided as a courtesy for your reference only. So, if you are using any part of this video, use the information at your own risk. We highly advise you to check the manufacturer owner’s manual before performing any act of removal, diagnosis, inspection, or repair on your car to know about what you are authorized to do on your car, what the correct and legal procedure is and what risks might be involved, also viewers are strongly advised to consult a licensed person before any sort of inspection or repair. Due to the factors beyond the control of “KIA & Hyundai Diagnostics”, we cannot guarantee against improper use of information or tools or systems, or the procedure provided. “KIA & Hyundai Diagnostics” disclaims any damage, injury or loss caused by your decision to follow the steps provided in this video.