Vehicle Questions and Answers
Welcome to the Vehicle Q&A Hub. Find answers to your automotive questions, share your experiences, and get expert advice on vehicle maintenance, troubleshooting, and more!
Can you tell me the significance of code po401 on a Ford F150?
1866 views
2 answers
★ Top Answer
The P0401 trouble code found in the Ford F-150 indicates a potential issue within the emissions system. This error is commonly linked to a faulty DPFE (Delta Pressure Feedback of EGR) sensor, a failing EGR valve and its associated components, or a problematic throttle body. The root cause of this problem is often due to improper recirculation of exhaust gases caused by environmental factors, component breakdown, or ECM malfunctions. The code signifies a lack of proper airflow within the system, highlighting a risk of the throttle body getting congested with dirt, sludge, and debris in its two designated ports. If your F-150's "check engine" light is illuminated and you notice hesitation while driving, it may be connected to a P0401 code triggered by EGR issues.
More answers
-
The OBDII fault code P0401 indicates that the engine's computer has identified an issue where there is not enough flow in the exhaust gas recirculation (EGR) system.
Buying a Used car?
Check it by Epicvin
Check it by Epicvin
