Engine code P0401?

Question:
2001 ford focus..is that gonna be my DPFE sensor? just got a new egr valve put on and it didnt fix the problem

Answers:

How to I remove the actual wiper arms from the motor. GMC S15 Jimmy 1994?

could be dpfe sensor could be a hose leak that gose to the dpfe or egr solinold

Why does my car keep stuttering?

EGR Sensor - That's what the code is for. No telling what is. These codes are such a pain.

Urgent Help with my car battery needed?

Straight out of ODB-codes.com :

Do u think petrol should be cheaper.?


"In fixing this code, it is quite common for people to just replace the EGR valve only to have the OBD code return. The EGR valve is not always the culprit.

I read that thicker oils are appropriate for older vehicles. What's old? Mine is a '72 P/U and "95 Tracker.


* Use a vacuum pump and pull the EGR valve open while monitoring engine RPM's. There should be a noticable difference in RPM's with the EGR open
* Clean out the EGR valve to remove deposits
* Replace the DPF sensor
* Replace the EGR valve"

How to remove tire cleaner spray from windshield?

Typically the focus is notorious for these, it can be egr pressure sensor, but it also can be one of the vacuum lines leading to it near the firewall. The heat makes them deteriorate and the engine runs like crud because of the vacuum loss. Just a perspective, good luck.

Can I buy an intake system off ebay for my 1998 ML 320 Mercedes or should i buy a really nice one?

http://en.allexperts.com/q/toyota-repair...

Toyota Lucida Auto Gearbox?

The answer to your question- possibly. In fact, this is likely the problem based upon other cars. Typically when this code is set the DPFE is the culprit, but not always.

Do you know a website or page i can costum a 1996 mustang?


To clear it up, this DTC "indicates EGR monitor failed due to PCM detecting EGR flow while driving is less than edsired minimum."
If your valve is new then the first thing you should look for is pinched or damaged vacuum lines in the system. The DPFE could also be measuring output incorrectly, which seems to be a frequent problem with Ford Focus cars in particular.

Need to know how much maintenance would could cost on a 2002 rav4 toyota such as tire cost,oil changes etc.


Was the solenoid integral with the valve you replaced? If not, I'd look at that too.
Hate to send you chasing after it but without being able to scan it to see what the DPFE is reading its hard to say.

'99 FORD TAURUS tranny oil dip stick location?

Do what ODB codes . com says. If the valve opens, and the RPM doesn't drop, unclog the passages. If the RPM does drop, replace the DPFE transducer thingie. Of course you already checked your vacum hoses first.
More Questions & Answers ...

  • Isuzu Rodeo..why wont blinker work but flashers will?
  • Why is my car's engine all of a sudden louder?
  • Tuned up cars, cool?
  • 89 Thunderbird engine just started racing in idle cause needed to know?
  • My sunroof cover is off its track?
  • Car shop cant find out whats wrong with car can you help?
  • How do you know when your rear end is going out on your car?
  • Hi solids epoxy (black base tint)?
  • Can I run RC440cc Injectors w/ stock ECU?
  • Stop and go driving hurts my car?
  • This article contents is post by this website user, CarQnA.com doesn't promise its accuracy.


    Copyright 2006-2008-2007 CarQnA.com. All Rights Reserved.