What does exhaust gas recirculation flow insufficient Mean?
The error code P0401 is also known as insufficient EGR flow. It simply means that there are not enough gases flowing back into the incoming air to the engine. This OBD error code means that the car’s computer has tried to open the EGR valve however it can’t get enough exhaust gas into the engine.
Is P0401 bad?
Ford: One of the common problems with many Ford vehicles that can cause the trouble code P0401 is a bad or damaged DPFE sensor (DPFE stands for Delta Pressure Feedback EGR). The DPFE sensor and its hoses should hold the vacuum; the hoses should not be cracked or restricted.
What happens if I don t Replace my EGR valve?
What happens if I don’t replace EGR valve? A clogged or malfunctioning EGR valve can disrupt the vehicle’s air-fuel ratio, which can cause engine performance issues such as a reduction in power and fuel efficiency. The vehicle may also stall or hesitate while accelerating.
What does the OBDII fault code p0401 mean?
The OBDII fault code P0401 means that the engine computer has detected that the Exhaust Gas Recirculation (EGR) system flow is insufficient. The EGR system redirects a small amount of exhaust gases back into the intake. Read more how the EGR system works in this article. – clogged or restricted EGR passages.
What does the p0441 code on a check engine mean?
The P0441 code isn’t something serious and it doesn’t indicate a risk of danger. The driver is very unlikely to notice any change associated with the P0440 code other than the check engine light going off. That being said, it’s best that you resolve the issue as soon as possible, just like any other check light engine DTC.
What does p0401 insufficient EGR flow mean?
P0401 Insufficient EGR Flow 1 Technical Description. What does that mean? 2 Symptoms. You may notice drivability problems such as pinging (a.k.a. 3 Causes 4 Possible Solutions. In fixing this code, it is quite common for people to just replace the EGR valve only to have the OBD code return.
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.