[SOLVED] P16E5 Code: Fix Sensor Communication Circuit 3 High Voltage Issue!

The automobile fault code P16E5 indicates a problem with the fuel system.

When this code appears, the engine light or service engine soon warning light will turn on. The possible causes for this fault code include low or no fuel, a faulty fuel rail pressure (FRP) sensor, an open or shorted fuel rail pressure harness, poor electrical connection in the fuel rail pressure circuit, or a faulty fuel pump.

To fix this issue, you should visually inspect the wiring harness and connectors, checking for any damage or corrosion.

Additionally, look for any broken, bent, pushed out, or corroded connector pins.

The repair time for this issue is estimated to be around 1.0 hour.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level10.0 (Out of 10)

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When the engine light is on or the service engine soon warning light is illuminated, it could be a sign of the p16e5 fault code.

  • The symptoms of the automobile fault code p16e5 include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

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The automobile fault code p16e5 can be caused by low or no fuel, a faulty Fuel Rail Pressure (FRP) Sensor, an open or shorted Fuel Rail Pressure harness, a poor electrical connection in the Fuel Rail Pressure circuit, or a faulty Fuel Pump.

  • The fault code P16E5 can be caused by: low or no fuel, a faulty Fuel Rail Pressure (FRP) Sensor, an open or shorted Fuel Rail Pressure harness, a poor electrical connection in the Fuel Rail Pressure circuit, or a faulty Fuel Pump.

To fix the automobile fault code p16e5, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code p16e5, follow these steps: 1.
  • Check the possible causes mentioned above.
  • 2.
  • Visually inspect the wiring harness and connectors related to the fault code.
  • 3.
  • Look for any damaged components.
  • 4.
  • Check for broken, bent, pushed out, or corroded pins in the connectors.
  • The estimated repair time for this fix is 1.0 hour.

The factors influencing the cost of diagnosing and fixing the automobile fault code p16e5 are the estimated repair time of 1.0 hour and the typical hourly rate charged by auto repair shops, which ranges between $75 and $150.

The P16E5 fault code refers to a problem with the communication circuit of Sensor 3 in the fuel rail pressure system. The Engine Control Module (ECM) uses this sensor to regulate the high-pressure fuel pump’s feed rate and maintain the ideal pressure in the high-pressure section.

The fuel rail pressure sensor sends fuel pressure and temperature information to the ECM via serial data. If the signal voltage from the sensor is higher than a predefined threshold for more than 2.6 seconds, the ECM will set the P16E5 fault code. This code indicates a high voltage issue in the communication circuit of Sensor 3.

What are the possible causes for the automobile fault code p16e5 and how can I visually inspect them?

If you’re seeing the engine light on or the service engine soon warning light, the fault code P16E5 could be the culprit. This code can be caused by low or no fuel, a faulty fuel rail pressure sensor, an open or shorted fuel rail pressure harness, a poor electrical connection in the fuel rail pressure circuit, or a faulty fuel pump. To visually inspect these possible causes, check the related wiring harness and connectors. Look for any damaged components and examine the connector’s pins for any signs of being broken, bent, pushed out, or corroded.

How can I determine if the fuel rail pressure sensor is faulty and causing the engine light to come on?

If your engine light is on and you suspect a faulty fuel rail pressure sensor, there are a few things you can do. First, check for low or no fuel, as this could be the cause. Next, inspect the wiring harness and connectors for any damage or corrosion. Look out for broken, bent, pushed out, or corroded pins on the connectors. By visually inspecting these components and checking for any issues, you can determine if the fuel rail pressure sensor is indeed faulty and causing the engine light to come on.

What steps should I take to check the fuel pump and ensure it is not the cause of the p16e5 fault code?

To check the fuel pump and rule out its involvement in the p16e5 fault code, start by visually inspecting the wiring harness and connectors. Look for any signs of damage or corrosion. Check for broken, bent, pushed out, or corroded pins in the connectors. This will help identify any issues with the fuel rail pressure sensor or the fuel pump itself. By following these steps, you can ensure a thorough examination of the possible causes and take appropriate action to fix the problem.

p16e5 error fault code explained

If your engine light is on, it could be due to low or no fuel, a faulty fuel rail pressure sensor, or issues with the fuel rail pressure circuit.

To fix this, visually inspect the wiring harness and connectors, checking for any damage or corrosion.

Look out for broken or bent pins on the connectors.

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