What code is P1401?
Error Code P1401 is defined as DPFE (Differential Pressure Feedback Sensor) Error. This error code is a manufacturer-specific trouble code, meaning it does not apply to all vehicles makes. Rather, it applies only to specific vehicle makes, such as Ford and Hyundai.
What does the OBD 2 fault code P1401 mean?
What Does Code P1401 Mean? OBD II fault code P1401 is a manufacturer specific code that is defined by carmakers Ford, Lincoln, Mazda, and Mercury as “DPFE Circuit High Input”, or sometimes as “Differential [ aka Delta] Pressure Feedback EGR (DPFE) sensor circuit high voltage detected”.
What to do if your Mazda Tribute has no output signal?
Crankshaft or camshaft sensor has no output signal. This signal is best checked with an oscilloscope. Check wiring harness for damage particularly at the front of the engine. Remedy: Replace the crankshaft or camshaft sensor as required.
What causes P1401 on a dpfe sensor?
Typical causes of P1401 are much the same across all applications, and these could include the following-. Defective DPFE sensor. (By far the most likely cause) Defective EGR valve. Defective EVR. Damaged, burnt, shorted, disconnected, or corroded wiring and/or connectors.
What causes Random Misfire on Mazda Tribute V6?
If code P0300 (random misfire) is logged, there may be an air leak usually caused by the inlet manifold and/or plenum chamber gaskets. (A smoke machine is recommended for this task).
What Does Code P1401 Mean? OBD II fault code P1401 is a manufacturer specific code that is defined by carmakers Ford, Lincoln, Mazda, and Mercury as “DPFE Circuit High Input”, or sometimes as “Differential [ aka Delta] Pressure Feedback EGR (DPFE) sensor circuit high voltage detected”.
Crankshaft or camshaft sensor has no output signal. This signal is best checked with an oscilloscope. Check wiring harness for damage particularly at the front of the engine. Remedy: Replace the crankshaft or camshaft sensor as required.
Typical causes of P1401 are much the same across all applications, and these could include the following-. Defective DPFE sensor. (By far the most likely cause) Defective EGR valve. Defective EVR. Damaged, burnt, shorted, disconnected, or corroded wiring and/or connectors.
If code P0300 (random misfire) is logged, there may be an air leak usually caused by the inlet manifold and/or plenum chamber gaskets. (A smoke machine is recommended for this task).