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Old 06-20-2013, 09:19 AM
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06 F250 6 CEL Codes NEED HELP

Hey Guys, I recently purchased a 2006 F250 RCLB 2WD with the 6.0 in it. I had read about the issues but it was a modern upgrade to my 1988 F150 which was falling apart (literally). It has 288,000 and change and ran great for 3 days since I purchased it. This morning, the fuel level dropped to E and Low Fuel Warning came on. I had read on here that its a common occurance and I knew the tank was near full. No worries. Got back in at lunchtime to grab something to eat, and it threw a CEL. I was going by advance anyways so I decided to stop and get it scanned (to avoid damaging anything) and here are the codes I got today:

P0683 Glowplug Control Module to Powertrain Control Module Communication
P0403 EGR Pressure Valve (may be worded poorly)
P0460 Fuel Level Sensor (Common issue I think)
P0562 Low System Voltage (This one confuses me, batteries seem fine)

The truck runs pretty well. Everything sounds pretty healthy except a noise like this one when its warm : Noise from under turbo (video) both cold and warm starts are very good for a truck with this many miles (only turns over a few times until it hits). It doesn't smoke at all. It does have an issue after the codes, while coasting the truck will cut off, I know these engines "defuel" when you let off the pedal, but the truck engine complete quits running until you get back into the fuel.

What I really want to hear is "everything is going to be fine " considering I beg borrowed and busted my hump to afford the truck. But more concerned with making sure I can get this stuff fixed correctly (and affordably) so the truck last a little while (part of the money for the truck was a gift from my parents, the truck is sort of sentimental in that respect).

Any ideas on where I should start? I am new to diesel but I am mechanically adept and learn quickly.

Last edited by omally9161; 06-20-2013 at 09:29 AM.
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Old 06-20-2013, 09:30 AM
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might want to check for a wire// ground issue at the tank sender

is the EGR valve unplugged?

the partshouse that pulled codes should be able to individually load test the batteries and then do a running load test on the alternator


the GP comm issue


check harness ? IDK on that one
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Old 06-20-2013, 09:35 AM
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The fuel level sensor doesn't startle me as badly as the EGR and GPCM issues do I guess. I will try to leave work early enough to get the batteries load tested and test the alternator. I will report back when I get those results. If anyone else has any ideas how to isolate or diagnose some of this I would appreciate it. This truck is my only transportation now.
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Old 06-20-2013, 10:05 AM
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when u pull the batteries to do the load test it will clear all codes so lets see what comes back

besides the p1000 you''ll get for disconnecting the batts
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Old 06-20-2013, 10:23 AM
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Ill take off from work this evening before the auto parts place closes. I have been working alot since we have temporarily took all the print jobs for a sister newspaper (I am an I.T. manager at a large paper). I have put in about 60 hours in 4 days. Thanks a lot for the reply's guys. This is an awesome forum! I will reply back when I get the results.
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Old 06-20-2013, 12:08 PM
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be sure to get the batteries individually tested as well. Also you might want somebody with a scanner to run some tests on your truck to see what it says.
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Old 06-20-2013, 04:34 PM
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Well if there is anyone checking back for the results of the batteries / alternator. According to the tests both check out fine. We ran out of water this evening and I was forced to use the truck with the cels , 2400 lbs of water in my tank proved to be too much for the old girl. Not sure exactly what happened but according to the noise coming from under the hood, a major moving part failed. It honestly sounds like the sound in the video but almost like it has gotten worse. It really sounds like a cross between a bad pulley and a rod-knock.


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Last edited by omally9161; 06-20-2013 at 06:59 PM.
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Old 06-20-2013, 06:55 PM
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What I have found so far is the EGR code and some (very little) white build-up around the degas bottle. I think the mysterious earthly destruction noise could possibly be a pulley (I'm hoping for but doubting that).

What I think my failure is involves the turbo. Perhaps I'm wrong but hopefully someone can answer this question? Is there a system or part in the turbo assembly that could cause it to make a noise similar to the video in my first post and get louder/worse with extended idle or run time? When the truck start making the noise it had been idling about 10 minutes total, went to pull it around the field and back into the front and it started missing and cutting out, and the noise in the video above was similar but mine was worse. During the weighted drive it seemed like the truck was running when I was in the fuel but as soon as I let off the engine would quit until the RPM was back at idle. The "defueling" process would last from any RPM range back to idle with no audible noise coming from the engine bay except a slight whistle from the turbo. It reminds me of a gas powered golf cart that starts when you press the gas and turns off when you let out of it. It had missed a few times before but now its undriveable. I will try to post a video tomorrow of the truck and the noise if possible.

Actually, I read through the video I origanlly posted, the issues I'm having were happening the other day. I think it's definitely related and the "wierd noise" actually got worse. Every symptom that guy mentioned ("dieseling, defueling, even where the noise was coming from) are exactly the same, except the noise has gotten WAY worse and the truck is now missing.

Last edited by omally9161; 06-20-2013 at 07:05 PM.
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Old 06-21-2013, 06:06 AM
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The area under the EGR valve has no coolant under it. The EGR was coked up pretty bad but it was all dry soot. I changed the oil, used Rotella and pulled the EGR and cleaned it as good as possible this morning. I don't think I had it sealed good from the first time I pulled it as the whistle in the turbo is back and no air leak noises. Truck seems to be running way better after the EGR was cleaned (is that possible?). I will be changing the fuel filter and coolant this weekend and chasing down the other codes I had. I am also going to take the truck to my brother in law and have him run tests on the batteries an Alternator. I was buying a few things when advance did the batteries and realized after re-reading they did not load test them individually. I'll report back, I'm sorta happy their is a glimmer of hope.


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Last edited by omally9161; 06-21-2013 at 09:59 AM.
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  #10  
Old 06-26-2013, 06:21 PM
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FICM fixed the issues if anyone stumbles across this thread.


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