EGR Clean Up: Fix Code P0401 EGR Insufficient (Ford F150)
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- เผยแพร่เมื่อ 21 ต.ค. 2024
- Today we are cleaning out the EGR system on our Ford truck. This is because we have got a check engine light reading code P0401 “EGR Insufficient flow.” Many people are quick to throw new parts at their truck when they see this code, however SOMETIMES you can fix it for free by just cleaning out your EGR system. It is VERY common for the EGR tubes in the intake to fill up with gunk, all you need to do is clean it out from time to time! Follow along the video as we take you through the process of cleaning out the EGR ports in the intake. This applies to all the Ford cars & trucks that have the Triton V8 4.6L. You will find these engines in the Crown Victorias, Expedition, Explorer, F- 150, F-250, E-series Vans, Thunderbird, and some Lincolns.
The video is for informational purposes only. Take the information you learn in this video and apply it at your own risk. Big Girls Garage assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk.
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Thanks brother, and the music calmed my anxiety lmao. God Bless!
Currently having this issue with the family's F150 with the 4.6 and had to look up something to go by since I don't normally work on V8s. Great video and explanation to the problems which could cause this issue.
Glad we were able to help!
Excellent video, also oil builds up in the egr vacuum lines which restricts flow.
Exactly what caused my problem...I got a piece of mig wire through the carbon to start. Then I cut a 6 inch piece of 1/16 inch cable and chucked it in a drill. Just ran the drill while moving in and out of hole. As you suggested lots of carb clean or brake clean helps. Great video thanks!
How did your truck run before you cleaned it. Mine is like it’s skipping is the best way I can describe it
@@dallasfolsom1521 mine ran fine, just a check engine light and code for low egr flow.
This was very fast to do, easy to clean. Can come in handy if you done know it yet
This video really helped me! I have the same code on my expedition
Well now you know how to fix it kid
Good video. I've got the same issue on my 1998 F150 (4.6L engine).
Thanks for the info, but you know all that chemical crap ends up in the local waterways with the next rain right?
Hey great video..quick and easy to understand...does the intake manifold need a gasket?
I guess I shoulda done this bf putting a new EGR line on my truck😂 to think my truck didn't have a EGR line connected for 5+yrs🤷🤦🤦 now that it's hooked up it throws a code after fixing all the other codes 😅
Best "how ya doing"
And great tip
Specialty of the house
You save me a lot of money 😊
Glad we could!
Thank you much!
Why didn't you ckean the actual EGR Valve?🤷🏽♀️
You took off the throttle body to clean and that's good, but it does help to actually clean the EGR Valve to and even the Idle Air Control Valve since those can have carbon build up also.
seems simple enough to do after i fix my po304 issue
What is that little hose on top of the egr valve coz that the thing that broke off
What if obd 2 egr leak test fails ?
I replaced my EGR valve and am still getting p0401. Guess i should've taken it all apart and cleaned it instead of just buying a new valve
Is there a torque spec for the throttle body mount?
probably
Nice video helped a lot
Glad we could help!
I put in 3 on my 02 F-150 and still my engine light comes back on.
Wdym? 3 what?
Fonky! This worked!
2004 4.6 f150
Did u replace gaskets? I've cleaned egr n thinking this my next step. Got a dpfe from scrapyard n it registers a 402 code n original gives me 401. This is my next step before ck engine light burns out. Lol
The dpfe from the scrap may be faulty. You never know when taking parts from the junk yard. I did not replace the gasket
It’s always good to replace the gasket anyway. Just in case the old gasket is bad or of it is still good but got kinked somewhere. Just in case, so you don’t haven’t to do it again.
If my truck turns on and immediately dies is it also p0401 ? That was my only code showing but it was still running fine till I let it sit for a week now it immediately stalls after turning on?
I would check for a major vacuum leak as well. We had a similar issue your describing, and it was the tube that connects to the back of the intake manifold. It’s rubber hose with a plastic lining on the inside and our inner plastic part was snapped.
I have an 03 5.4, P0401 code. Brand new EGR valve, brand new DPFE sensor/hoses, and brand new EGR vaccum solenoid. Still have the P0401 code....could it be the EGR tube plugged up? I have already completely cleaned every single port on the intake...
That code is normally associated with a bad DPFE sensor, but since you have a new one, I would look to see if the ports or tubes are plugged. Also make sure that the new DPFE is a motorcraft or good reputable brand part. I've had issues in the past with new cheap china parts still throwing codes. It's also unlikely since theyre are different sizes, but make sure the vaccum hoses to the dpfe are routed correctly
@BigGirlsGarage The DPFE is Standard Motor Products, I haven't had any problems with their stuff. I bought a new EGR tube to see if that does anything. Thanks for the response, much appreciated!
@@jaredadams5194 Let us know how that goes!
@@biggirlsgarage8331 will do!
@@jaredadams5194??? Update ???
Mr. N?
Mr Newt actually. Show some respect.
I dont have the egr value or the 2 solenoids just 1
Are you sure you have the 4.6?
It's good to use throttle body cleaner in that throttle body, not brake fluid!
Probably, but he used brake cleaner, not brake fluid. I think the only difference is that throttle body cleaner can be safely ingested and burned in the engine. So brake cleaner was fine in this case, since he cleaned it while it was off the engine.
I meant brake cleaner! Not fluid! 😏
I meant brake cleaner! Not brake fluid!😏