(Another) 05 6.0l starts/dies - Ford Powerstroke Diesel Forum
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Old 04-08-2013, 07:06 PM
JGI JGI is offline
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(Another) 05 6.0l starts/dies

Ok guys, grab a beer and put you're thinking caps on! I think I got a good one here.... So I drove to work fine this morning, went to fire it up after it sat for 2hrs and it started up really rough, but ran, albeit very rough. I tried to move the truck but it wouldn't hardly move (i was on a slight incline) and was BILLOWING white/blue smoke once i got over 2k rpms, but no smoke at idle. This has never happened and other than the STC failing I've never had a no start/rough running issue. So I parked it and began going through the scangauge. After 10 min of starting it up, shutting it down and so on it completely stopped starting all together (not due to batteries) and i had to get a tow. It has an egr delete, updated STC, no CAT. My reading are all good, ficm is at 48v, ICP shoots up to 1100 while cranking, i don't believe it's related to the hpop system, I've been down that road with the STC. I unplugged the IPR still no start, cleaned the EBP sensor/tube, MAP sensor (checked for leaks) no start. The VGT sensor is working since when I unplugged it the VGT's stopped reading on the scangauge (while it was running). It did fire up once for about 20 seconds while I was testing all this stuff, puked out some white/blue smoke (not near as much as earlier in the day) ran like crap then died. Now back to no start. I have no diesel or coolant in the crankcase, It doesnt seem like an injector, I drove my old duramax almost 500 miles on 4 bad injectors and the crankcase was full of diesel. maybe an electrical problem with the injectors though? No oil in the Intercooler tube and I can't detect a boost leak anywhere. The only codes it threw were P0046 (tc/sc boost solenoid, im sure this is from when i unplugged the sensor) and P0263 (#1 cyl contribution/balance). So If anyone is still reading, I'm leaning towards a bad FICM. Can they go bad and still have accurate voltage readings? I talked with Bob at ficmrepair.com and he didn't think it sounded like an FICM, but I'm running out of options. How about standpipe/dummy plugs? would it show a low ICP reading if these were failing? Im totally stumped on this one, anyone got any ideas?

Last edited by JGI; 04-08-2013 at 07:11 PM.
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Old 04-09-2013, 01:07 PM
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Maybe you have combustion gases in the fuel rail. Remove the hfcm fuse, ficm relay, and the upper fuel filter, crank it over and see if bubbles/gas is coming up in the housing.

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Old 04-09-2013, 07:10 PM
JGI JGI is offline
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So is 8v while cranking bad??? The tow guy said he 'load tested' my batts but I just checked the scangauge while cranking and the volts drop from 12.5 to 8.5. got a spare battery on the charger now so i'll swap it out in the am for the older of the 2 ( i just replaced the drivers side batt 2 months ago). I changed the fuel filters (dirty), checked for air in the bowl while cranking, nada. It's totally acting like it's starved for fuel. it fired up for about 10 seconds after the first try cranking it this afternoon (sat for 16 hrs) then died and won't refire. I wonder if a piece of debris got loose from the dirty filter and stuck the #1 injector open, but that wouldn't cause a rough start then immediately no start i don't think?? I'm fullly leaning towards electrical/fuel system at this point.
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Old 04-09-2013, 08:55 PM
JGI JGI is offline
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well after i got curious i drained out the upper bowl and cycled the key with the cap on, then cap off. no fuel. then i tried to start it, upper bowl still bone dry. fuel pump? no blown fuses/relays.
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Old 04-10-2013, 02:25 PM
JGI JGI is offline
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Turned out to be the fuel pump (HFCM). The case was full of gunk and hunks of rust/dirt. I'm sure the pump burned up trying to sift through all that garbage in there. The battery was defiantly bad and maybe that was what caused the unburned fuel to smoke out the pipe. Either way it's runnin like a champ now. now time to go burn my diesel soaked clothes....
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