SGT. Diesel Posted December 6, 2005 Share Posted December 6, 2005 Hi, I am in need of some assistance. I am in Iraq and I get to work on everything lowest bidder could possibly create. /forums/images/%%GRAEMLIN_URL%%/banghead.gif Anyway, I am working on a 2004 F-350 Superduty with a 6.0L. Other than what I read here I know nothing. That is the benefit of the Air Forces Jack of all Trades Master of Squat Program /forums/images/%%GRAEMLIN_URL%%/mad.gif This truck is turning over really well but not starting. I do have access to a WDS. The WDS is not able to communicate with the PCM. After going thru a series of steps the WDS asks for a part number to idenify the PCM. I can't find that part number, let alone find the PCM. Without sounding too stupid, if anyone could provide a part number for PCM and possibly a location, you would make my day. /forums/images/%%GRAEMLIN_URL%%/cheers.gif Quote Link to comment Share on other sites More sharing options...
Torqued_Up Posted December 6, 2005 Share Posted December 6, 2005 Sarge, You will find the PCM bolted to the left inner fender behind the left battery. The battery cover hides most of the module so you may need to remove it. If you know what a ford part/engineering number looks like the basic number (in the middle) is 12a650. I would check the wiring harness for shorts on top of the engine near the FICM bolted to the left valve cover. Also, try unplugging the engine cooling fan. Quote Link to comment Share on other sites More sharing options...
snw blue by you Posted December 6, 2005 Share Posted December 6, 2005 Welcome aboard, let us know what you find out, we will certainly help in any way we can. /forums/images/%%GRAEMLIN_URL%%/thumbup.gif Quote Link to comment Share on other sites More sharing options...
G. Bedford Posted December 6, 2005 Share Posted December 6, 2005 I would also disconnect the sensors that use the 5 volt reference and see if the PCM comes "alive". I have had EBP sensors short internally and kill VRef which will shut down the PCM. Good luck. Quote Link to comment Share on other sites More sharing options...
SGT. Diesel Posted December 8, 2005 Author Share Posted December 8, 2005 Well I finally got work on this 6.0L. First off I was able to finally get the WDS to talk to the PCM. I took the word of my mobile mechanic who initially went out on this vehicle that all the fuses were good. I should have known better. /forums/images/%%GRAEMLIN_URL%%/banghead.gif /forums/images/%%GRAEMLIN_URL%%/banghead.gif Found a bad fuse, replaced that and WDS talks to PCM. Initial DTCs indicate Cam Position Sensor and EGR Throttle Plate.I pulled the PCM engine connector and tested the CMP circuit resistance--852 ohms. Reconnected connector to the PCM. That was last night. This afternoon I had the truck pushed into the shop. I pulled out the hardware to find the CMP. I didn't find anything out of the ordinary. I reconnected the MAF sensor and vacuum sensor on the air filter, hooked up the WDS and ran the self-test a second time. I recieved about 10 codes, I figured that was because the engine wasn't running and I had to disconnect the battery. This time the CMP code was missing. I cleared the codes and the engine started. So I put it all back together. Anyone have any idea what happened? /forums/images/%%GRAEMLIN_URL%%/shrug.gif The CMP code would not clear last night. In the process of removing engine connector I also removed the small connector closest to the front of the engine. Could that have been a factor? On a slightly different question is the oil in tubes before and after the turbo considered normal? Quote Link to comment Share on other sites More sharing options...
snw blue by you Posted December 8, 2005 Share Posted December 8, 2005 Sarge, what were the DTCs you retrieved? to a certain extent oil in the CAC[cold air charge] tubes is normal. If it is excessive, then the engine has other concerns,which could be as simple as a plugged air filter. Did this engine stall and not restart, or just not start after a normal shut down? A little more info could be helpful. /forums/images/%%GRAEMLIN_URL%%/cheers.gif Quote Link to comment Share on other sites More sharing options...
SGT. Diesel Posted December 9, 2005 Author Share Posted December 9, 2005 The first two codes I pulled were P1334 and P2614. The list of other codes I didn't write down because there were so many. Since you mention air filter, we have alot of fine dirt blowing all the time. I did blow the filter out and there was alot of dirt in it. The operators told us the the truck ran fine then the next day it would not start. In regards to the CAC tubes, what is considered normal? Quote Link to comment Share on other sites More sharing options...
Torqued_Up Posted December 9, 2005 Share Posted December 9, 2005 You can ignore the P1334 for now. That is a code for the EGR throttle plate and it is possibly a false code depending on the current calibration of the PCM. Well wait. If it's stuck closed the truck might not start due to a lack of air. You can remove the CAC tube from the intake and observe the throttle plate while someone cycles the ignition. The plate should sweep closed and then back open if I recall correctly. The second code is also likely to be a false code. It's defined as camshaft position sensor output circuit it usually is set with a P2617 for the crank sensor. These codes are commonly set during a stalling event. I believe that even the manual advises correcting other concerns first before diagnosing these codes. Did you move the engine and FICM harnesses around to eliminate any possible short circuits? And yes, it's normal for some wetness around the CAC tube connector hoses. You can snug them up a little but too much force on the clamps has proven to cause problems as well. The last thing you guys need is a CAC tube blowing off during an attack or an emergency! Quote Link to comment Share on other sites More sharing options...
SGT. Diesel Posted December 9, 2005 Author Share Posted December 9, 2005 I did move any group of wires I could find on that side of the engine, from the FICM down to the CMP sensor in front. I cleared the codes after I did that. So I don't know if the engine started because the codes were cleared or if the wires made a connection. /forums/images/%%GRAEMLIN_URL%%/shrug.gif I didn't notice any locations in the wires where they had worn through and grounded out. Quote Link to comment Share on other sites More sharing options...
snw blue by you Posted December 9, 2005 Share Posted December 9, 2005 Sarge, which fuse did you replace? Quote Link to comment Share on other sites More sharing options...
Keith Browning Posted December 9, 2005 Share Posted December 9, 2005 Sarge, Welcome to the DTS and thank you for your service to our country and I wish you a safe return home when your job is done! Concerning the wire harness on your 2004 Power Stroke, there were problems with the wiring harnesses crushing and chafing which have caused engines to abruptly stall and not start as well. A recall was released citing some specific build dates of vehicles that were highly prone to this failure. I have written two articles on this topic if you have not already read them, please take a moment to review the following: 6.0 Liter Injector Harness Recall in Review - Safety Recall 05S34 If you would like a copy of the actual recall document I am sure someone can forward it to you. I doubt anyone at Ford would object to anyone assisting someone in the Military. The articles should pretty much cover the topic though. Quote Link to comment Share on other sites More sharing options...
SGT. Diesel Posted December 10, 2005 Author Share Posted December 10, 2005 Can I get a copy of that safety recall? According to our records, we have no information on it. The fuse I removed was Number 3-Power Point. Quote Link to comment Share on other sites More sharing options...
Torqued_Up Posted December 12, 2005 Share Posted December 12, 2005 Hey Sarge? Did you get this truck running and what was the outcome??? And for that matter, what happened to the other dude in Iraq with the 4 trucks using JP-8 fuel? Quote Link to comment Share on other sites More sharing options...
SGT. Diesel Posted December 14, 2005 Author Share Posted December 14, 2005 I got the truck running. I wasn't able to find a problem with the harness, but that dosen't mean there insn't a problem. Soon after I got it running, mamagement wanted it out since it is a fire department asset. (They go on and on about fire fighting capability and other nonsense.) Our Maintenance Control guy is looking into the TSB for the harness. I would not be surprised if this was the problem. I don't know about anyone else. Some rumors say we use JP-8 and some day we don't. The only fuel pumps we have troubles with running JP-8 are usually GM 6.2L and 6.5L. With our gas engines we have runnability problems because we can't drive faster than 20MPH. We change lost of injectors and plugs often with no improvement. Quote Link to comment Share on other sites More sharing options...
snw blue by you Posted December 14, 2005 Share Posted December 14, 2005 Sarge, I could not find a link between the fuse you replaced and the truck not starting,maybe one of the other guys can see something I'm not. There isn't a TSB for the harness, it is a recall,and if you go back to Keith's last post[Ford Doctor] he made the info a direct link, just click on them, and you will have all the info you need. Keep us informed on this rig, if this happens again,retrieve any and all DTCs, and post them for us,also don't clear anything. We'll help you out. Be Safe! /forums/images/%%GRAEMLIN_URL%%/cheers.gif Quote Link to comment Share on other sites More sharing options...
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