How do I fix code p401?
What repairs can fix the P0401 code?
- Replacing the leaking or clogged EGR valve.
- Replacing a broken vacuum line to the EGR valve or control solenoid.
- Replacing an EGR temperature sensor or clean the carbon off of it to repair it if it does not register enough of a temperature change.
Where is the DPFE sensor located on a Ford Explorer?
The 2005 Ford Explorer 4.0 DPFE sensor can be found behind the upper intake manifold between the firewall and engine block near the EGR valve. The Differential Pressure Feedback ExhauSTSensor, or DPFE sensor, is part of the vehicle’s exhaust gas recirculation (EGR) system.
What happens when a DPFE sensor goes bad?
Poor Engine Performance When the DPFE sensor fails, the engine can’t run as it was designed. With a faulty sensor, the wrong information is sent back to the engine’s computer. Because of this bad data, the EGR system malfunctions. With this system not running properly, you will notice reduced power and a rough idle.
Where is the EGR pressure feedback sensor?
The EGR pressure feedback sensor is generally found mounted somewhere on the engine or to the firewall.
What causes the p0401 code on a Ford Explorer?
Diagnosing what is causing the P0401 code in the Explorer is typically not very tricky. Here are the most common causes: Blocked EGR Tube – The tube that carries the exhaust gases back to the motor may clog up over time. Alternatively, it can become bent or kinked.
Why does my Chevy Captiva have a p0401 code?
EGR Valve Itself is Bad – The EGR valve itself is usually not going to be the place to start. But, they certainly are the cause of P0401 often enough. Vacuum Issues – The EGR valve relies on engine vacuum to operate. So, if you are encountering P0401 and other codes, the P0401 may be a symptom of larger problems.
How much does it cost to repair a p0401 Ford engine?
The cost to diagnose the P0401 FORD code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
What does service engine soon light on Ford Explorer mean?
Service Engine Soon Light – P0401 will illuminate the service engine soon light. Knocking Sound – In certain cases, there may be a noticeable knock that comes from the vehicle. It’ll sound almost like piston slap. Diagnosing what is causing the P0401 code in the Explorer is typically not very tricky.