[SOLVED] P1401 Code: Egr Temperature Sensor – Diagnosis And Fix Guide

The automobile fault code P1401 indicates a problem with the Differential Pressure Feedback Electronic (DPFE) sensor.

This can cause the engine light to turn on or the service engine soon warning light to illuminate. The possible causes include a faulty DPFE sensor, an open or shorted DPFE sensor harness, a poor electrical connection in the DPFE sensor circuit, or a damaged Powertrain Control Module (PCM). 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 pins in the connectors.

The repair time for this issue is estimated to be around 1.0. It is important to address this fault code promptly to prevent further damage to the vehicle.

Repair Importance Level6.67 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level6.67 (Out of 10)

If you see the Engine Light ON or the Service Engine Soon Warning Light, it could be a sign of the p1401 fault code.

  • The symptoms of the automobile fault code P1401 include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code P1401 can be caused by a faulty DPFE sensor, open or shorted sensor harness, poor electrical connection, or a damaged PCM.

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  • The fault code P1401 can be caused by a faulty Differential Pressure Feedback Electronic (DPFE) sensor, an open or shorted DPFE sensor harness, a poor electrical connection in the DPFE sensor circuit, or a damaged Powertrain Control Module (PCM).

To fix the p1401 fault code, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code P1401, you need to 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.
  • 5.
  • Repairing this fault code is estimated to take approximately 1.0 hour.

The automobile fault code P1401 can be diagnosed and fixed within an estimated repair time of 1.0 hour.

Auto repair shops typically charge between $75 and $150 per hour for this type of repair.

The P1401 fault code refers to the EGR Temperature Sensor. This sensor is part of the Exhaust Gas Recirculation (EGR) system in your engine.

The EGR system helps reduce emissions by redirecting small amounts of exhaust gas back into the intake.

The Ford DPFEEGR system, which is controlled by the Powertrain Control Module (PCM), includes an EGR Valve, an Electronic Vacuum Regulator (EVR), and the Delta Pressure Feedback EGR sensor (DPFE). The DPFE Sensor measures the flow of EGR across an orifice inside the EGR Tube. When the EGR Valve is open, there is a pressure difference between the intake manifold and the exhaust.

This pressure difference is measured by the DPFE sensor and converted into a voltage signal that is sent to the PCM. The voltage signal is directly proportional to the amount of exhaust gas entering the intake manifold. If the EGR Temperature Sensor is not functioning properly, it can trigger the P1401 fault code.

This code indicates that there is an issue with the temperature sensor in the EGR system.

It is important to address this issue to ensure proper functioning of the EGR system and to reduce emissions.

What are the possible causes of the automobile fault code P1401?

If you’re seeing the engine light on or the service engine soon warning light, the fault code P1401 might be the culprit. This code can be caused by a faulty Differential Pressure Feedback Electronic (DPFE) sensor, an open or shorted DPFE sensor harness, a poor electrical connection in the DPFE sensor circuit, or a damaged Powertrain Control Module (PCM). To fix this issue, visually inspect the wiring harness and connectors, check for damaged components, and look for any broken, bent, pushed out, or corroded connector pins.

How can I visually inspect the wiring harness and connectors to fix the P1401 fault code?

If you’re dealing with the P1401 fault code and your engine light is on, it’s time to take action. The culprit could be a faulty Differential Pressure Feedback Electronic (DPFE) sensor, an open or shorted DPFE sensor harness, a poor electrical connection in the DPFE sensor circuit, or a damaged Powertrain Control Module (PCM). To fix this issue, start by visually inspecting the wiring harness and connectors. Look for any signs of damage, such as broken, bent, pushed out, or corroded pins. Don’t delay, get to the bottom of this problem and get your engine running smoothly again.

What should I look for when checking for damaged components and connector pins to resolve the P1401 fault code?

If you’re dealing with the P1401 fault code and your engine light is on, it’s time to roll up your sleeves and get to work. The culprit could be a faulty Differential Pressure Feedback Electronic (DPFE) sensor, an open or shorted DPFE sensor harness, a poor electrical connection in the DPFE sensor circuit, or even a damaged Powertrain Control Module (PCM). To resolve this issue, start by visually inspecting the wiring harness and connectors. Look out for any damaged components and check for broken, bent, pushed out, or corroded connector pins. Don’t forget to check the “Possible Causes” listed above for a comprehensive solution.

p1401 error fault code explained

If your engine light is on and you’re seeing the P1401 fault code, it could be due to a faulty Differential Pressure Feedback Electronic (DPFE) sensor, an open or shorted DPFE sensor harness, a poor electrical connection in the DPFE sensor circuit, or a damaged Powertrain Control Module (PCM).

To fix this issue, visually inspect the wiring harness and connectors, check for damaged components, and look for any broken, bent, pushed out, or corroded connector pins.

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