Ford 6.7L Power Stroke Diesel :: 2011 F350 - Check Engine Light Coming And Going - Code P0401
Jul 29, 2016
I just picked up a 2011 Ford F350 about 8 months ago. I have had troubles with the check engine light coming and going. Now it's been on for good with loss of power. I have had the codes read and they came up as the p0401 and a code about the def heater. I can not remember that code off the top of my head. After some searching I have found a video about the def heater but nothing about the Egr cooler/valve. Is there anything out there about how to clean and remove the the cooler as I will be needing to do repairs myself as the truck has no warranty.
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After installing the Sinister Diesel EGR Cooler, a new stock turbo, new EGR valve, and new #7 and #8 injectors, I am still getting the P0401 code. Each of those items needed to be replaced, by the way.
The motor runs fine; it just continues to throw the code. It has been to the dealer, and they can't figure it out. Is there a diagnostic procedure I can follow to hunt this elusive problem down?
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Near the end of a 5 hour drive on Christmas day my check engine light came on. I read the code: P0401. I got it into the dealer this week and was told it was a blocked EGR cooler. The truck has 66k miles. Lucky for me, I have the extended warranty! They replaced a "tube assembly". I sure hope this is not something that is going to repeat. I would hate to pay for this repair in the future. They had the truck 2 days. Is this a common problem or am I just "lucky"?
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2011 Ford f350 6.7 diesel ... Is this a problem we need to have fixed?
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2011 Ford f350 6.7 diesel .... Is this a problem we need to have fixed...
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I have a 2011 6.7 F-350 Diesel. I bought the truck new and I've never had any problems with it until now. I have a SCT Chip & Tuner. It needed an update so I returned the truck to stock and a code came up on my dashboard that said "reduced engine power" which obviously I thought was Normal because of the modifications done to my truck.
I updated my tuner and returned the truck to a performance tune but this dashboard code will not go away. My truck isn't reading any codes and there's no other indication lights on. The truck has Normal RPM readings but 0 throttle response. No power at all...
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Truck had a check engine light that came on. Plugged in scanner while I was still running it, said egr volts were weak, i just cleaned it yesterday.. and earlier today reset the check engine light once but then drove about 30 miles with no reoccurrence of light. Now i pulled over, shut off truck unplugged egr and reconnected. Went back to start my truck and nothing at all. Its like I am trying to start it in park.....been here for about 3 hrs now I've checked fuses nothing is blown. I am just sitting here freezing trying to fig out anything i can on line....... Its a 2006 f350 6.0 ty
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Well another problem with my 11. It was just at the dealer getting the fuel pressure sensor replaced and then it started throwing a different check engine light. Dealer says it needs a new EGR cooler. They said there is a TSB for this. I don't have the exact code it was throwing right now. I haven't heard much about EGR coolers being a problem.
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My check engine light came on today and the code read P1335. What code is that?
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CEL came on.. hooked up my cheap OBD/CAN scanner.. getting code P21B0..googled it and this is what i find: P21B0 - Reductant Level Sensor C Circuit High. What is this for? I've about had it with this truck..this having to replace a sensor every time I take it on a long trip stuff is getting ridiculous..2 EGT's, air charge cooler sensor, blower motor, and now this...
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2002 F350 7.3 PSD. 192k miles.
From my understanding, a CEL is supposed to illuminate each time you turn the ignition ON as part of normal startup procedure.
I figured the previous owner must have pulled out the bulb to hide the fact that the truck had a few "issues" before selling it, so today I pulled out the gauge cluster and it looked as if the CEL bulb was a tiny LED soldered directly into the gauge cluster itself. There were a few serviceable/removable bulbs for things like turn signal indicators, high-beam etc... but the CEL did not have a serviceable/removable bulb.
I've been driving this truck and working through it's "issues" and fixing things as I go, but it keeps throwing codes without the CEL illuminating. What's going on here?
I thought the check-engine-light was supposed to illuminate each time the ignition was turned on, and that it would come on each and every time the vehicle registered a fault code in the ECU/PCM.
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So; I bought my 07 f350 6.0 the other day. I have a light on that sends a code for glow plug control module, but the truck starts fine, the same in cold temperatures as warm, so far nothing below 32 degrees though. I dont have the code # at the moment, but will update when i get the scanner back. Why this module is throwing a red flag?
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I have a 2011 F250 6.7 that I bought in August of 2010. I have 35K miles on it and it has pretty much been trouble free once I got the firmware update for the shifting issues. I have the local dealership do all of my service work and all updates and service bulletins have been applied. Unfortunately on my way to work this morning the stupid Check Engine Light came on. The dealership has it now - hopefully I will know tomorrow.... I do think it has been running a little sluggish but I am not sure if that is the winter grade diesel (I use PM22-A in every single tank).
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Well it finally happened, a couple of weeks ago I was headed to an MX race and my check engine light came on and it started running rough. Long story short a piece of an exhaust valve broke off and went out through the head. Dealer has been great even though I was 300 miles from home and they did get me a rental(small POS SUV). Truck was supposed to be finished this week, but now they are saying the head gasket is on back order and they probably won't have one until the middle of April......... I can't be without my truck that long, but not much I can do. By the way truck is completely stock with just under 20K on it, and I have never had any issues with any of my Ford trucks or Ford diesels, even my old 6.0.
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I just bought a 2016 F250 with the diesel and thought I'd share an early ownership experience. At about the 1300 mile mark the check engine light came on and other than the remote start not working the truck continued to run great. I pulled a P0170 code, Fuel Trim Bank 1. And since the truck was still running fine, I considered clearing the code and see if it would come back. But since it's under warranty I decided to bring it to the dealer. They checked it out and diagnosed a bad Fuel Rail Pressure (FRP) sensor. They swapped it out and it seems to be good to go (no more light). While I was in there I asked them to turn on the DPF percentage full screen which they did.
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Got the warning on the message center.. 2011 F350 38,000 miles. I am not original owner, has lifetime POWERTRAIN so thinking of letting dealer handle this,,,but..?
With the importance of these cooling systems.. and coolant being in there for approx. 60 months.. I am thinking why pay for test kit or pay dealer to test it and add additive...
I guess I could just buy the oem coolant and distilled water and drain & fill it myself... but can I use garden hose to flush? Or just better to let FORD handle it?
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Just over 6000 miles....Yesterday morning the light came on. Dealer wouldn't look at it for a week. Went to my mechanic this morning to check the code it was p0181 fuel temp sensor. I read something online about the block heater making it too warm. The other night it was cold so I plugged it in, then yesterday morning it got warm overnight like into the lower 40s. I noticed the grill felt warm too. My mechanic cleared it if it comes back on do I have an issue? Is it ok to drive?
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Getting DTC P0401 on my 2011 with 92K miles. First time I got the CEL, we were on vacation, so I read the code, took a screen shot, then cleared it. Called my normal dealer, setup an appt, verified that they thought the truck was safe to drive. Coming home from vacation, I was pulling the TT in my sig, and noticed significant loss of power on hills that I have pulled many times before that I couldnt even hold 55 on now. Transmission dropped into 4th a couple times, on hills that it would sometimes stay in 6th, or at most drop to 5th.
CEL stayed off for a week , and came back on again. The funny thing is that after a day or 2, the CEL went back out on its own. I read the codes the P0401 is still there as a stored code(I did not clear this time). Around town the truck drives fine, the only thing I noticed was the decrease in power when towing. Truck is at the dealer now. TECH "isn't convinced" yet that there is a problem. He is not finished diagnosing yet, and I am sure that he has specific tests to run, but I am starting to fear that I will be getting the call to come get my truck.
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So I'm about to do the oil and EGR coolers on my 6.0. At one point, or currently, my EGR cooler was leaking, so I've got that gooey residue in the intake, at least around the EGR valve. No dry carbon residue. I wondering what is the best way to clean the intake out, if at all. I have to assume there's some clogging in there, especially since I've had the P0401 code for a while. I just wanted to get this done right once, so I'm not coming back to it again any time soon....
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I have 2013 f350 crew lariat 4x4 6.7 5000 miles . Cel coming on about 300 miles apart , 4th time now same code p054f ,dealer ship has no answers. Thayer say ford is investigating it ?? I don't about that but it is a real pain bringing it in.
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2012 F350 with 52,XXX miles and the P0401 keeps coming back with no degree of consistency, could be an hour later could be a week before it pops back up. just in th epast 4 days i have replaced the air filter (FOMOCO) and still same thing. there is no change in performance, just dont have that warm and fuzzy feeling since im about to head out to Colorado for 10 days with 5000 lbs of toys in tow.
btw, P0401 SAYS INSUFFICIENT PRESSURE FOR EGR
PURE STOCK, NO TUNING
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