Ford 6.0L Power Stroke Diesel :: Sudden Overheating / Temps Spiked While Driving On The Freeway
Jul 13, 2015
2004 F250 6.0 L. New head gaskets, ARP studs, new oil cooler, new water pump, all new hoses, new thermostat, 4" exhaust, EGR delete, new coolant bottle, radiator and cooling system flush, new injector seals and oil rail plugs all done at 98,000 miles. The truck is at 119,000 now and has been doing great since all the work. I have been frequently hauling very heavy loads and pulling cars on trailers and no problems. EOT has been staying about 7 degrees above ECT except on hill climbs. No coolant loss at all. Today suddenly while driving on the freeway (unloaded) the temps spiked. I pulled over when the ECT hit 240. Once cooled down I checked coolant level, hoses etc and since all was fine I took off again. Overheated again after about 5 miles. My understanding was that the Ford thermostat fails open if it fails. Do I have that wrong? Do I have a stuck thermostat? Some other problem?
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I have a 2011 F250 6.7 XLT crew cab with just over 50,000 miles. A couple of weeks ago while heading to work I experienced a very violent Front end bounce while driving on the freeway. My Speed was around 55-70. I experienced this front end bounce on after hitting a patched portion of asphalt on the freeway. I lost complete control of my vehicle and had to slow down almost to a complete stop in order to regain control. When I got to work I checked my tires, wheels and under carriage. I found under abnormal. Well it happened again today. Again on my way to work I hit a bumpy stop in the road and experienced this "Death wobble" (youtube it). So I decided to take it to the dealer and have it looked at. On the way there it happened a couple more times.
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Just a quick question, my serpentine belt fell off while driving on the freeway today and wondering what are the possible causes for this too happen? First things that came too mind were tensioner or worn out belt. Hard to believe the belt would be worn out though as it only has 65k miles.
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I have a new(and flushed) oil cooler and new thermostat and my coolant and oil temps never go above 190. They are always within 3 degrees at most but is this actually losing fuel mileage? I thought these were good numbers, could be wrong though.
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Last year while towing my fifth wheel to the North Rim of the Grand Canyon my oil temp went to 260 degrees several times. The outside temps were 95 degrees at the start and it is a long steep climb with a heavy load. Each time I pulled over for a bit, as I couldn't remember at what temp that plastic thing inside the oil filter melted. Each time it cooled off fairly quickly but it really stressed me out. So how hot can the oil get. I am using Rotella T-6 and my temp different is only 12-15 unloaded. Could I allow 280 for 15 minutes or so?
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I am looking for some insight on an issue before I lose sleep over head gaskets. Headed out today in the truck, and no heat whatsoever. Im thinking maybe a vacuum issue, but 4wd (esof) and all vents move just fine. About 10 miles in I over heated at 236 ect. After cracking the coolant cap there was no coolant. I havent actively monitored it but last i checked was fine.
The exhaust does not smell sweet and I see no puddles or any evidence of coolant splatter before today when i refilled it today. There was some tonight but im thinking that's from me spilling some today. Egr is also blocked off. I need the truck soon for plowing so need this resolved asap.
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New 6.0 owner having some issues. I have read just about everything I can find on the ECT/EOT problem.
208K on it, its been studded, running a full banks system. Factory size tires. Since buying it I have drained and flushed with distilled 4 times before new ELC coolant (system looks very clean, no debris found at all), T6 oil change and cleaned the air filter.
I am having a large delta on ECT and EOT. Here's some data from today's run. There is a lot of it. Readings from every minute.
Ambient Temp 118 today, took it for a run up the highway cruised north at 65 mph and back south at 75mph. I was driving on Saturday at 75mph and got the wrench light for excessive delta with 232 degree EOT.
45mph on the way to the Freeway- ECT 195.8, EOT 213.5
65mph after accelerating lightly- ECT 197.6, EOT 216.4
10 miles later, flat 65mph cruise set, it maintained a reasonable temp hold and reached max of ECT 199.4, EOT 218.7
After 2 minutes of coasting down off-ramp and sitting at a light- ECT 195.8, EOT 213.5
after reaching 75MPH moderately- ECT 201.2, EOT 216.5
1 mile later, holding 75mph- ECT 204.8, EOT 220.2
2 miles at 75mph- ECT 204.8, EOT 224.6
3 miles at 75mph- ECT 204.8, EOT 225.2
4 miles at 75mph- ECT 204.8, EOT 226.4
5 miles at 75mph- ECT 204.8, EOT 227.3
6 miles at 75mph- ECT 204.8, EOT 228.2
7 miles at 75mph- ECT 206.6, EOT 228.5
8 miles at 75mph - ECT 208.4, EOT 231.0
At this point I dropped cruised and coasted to the next exit, a mile down.
After coasting to exit and sitting for a minute- ECT 201.2, EOT 221.0
After a mile at 45mph- ECT 203.0, EOT 221.6
2 miles at 45mph, lightly on throttle- ECT 204.8, EOT 221.0
After idling stopped for a few minutes- ECT 195.8, EOT 213.8
Driving again lightly at 45mph- ECT 203.0, EOT 211.5
Am I just ignoring the obvious oil cooler issue or is this a water pump, etc? I changed out the thermostat again for another motorcraft unit after Saturdays hot run. I swear it did not run this hot when I got it... but I question if they were running nearly 100% water in the system. What EGR cooler there is, if there is a way to tell without disassembly?
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It's been pretty smooth sailing since I installed my BPD oil cooler a couple months ago, oil temps are great now. However, in the last month or so, since the outside temps have gotten hot, I'm noticing that my coolant temps seem to be a little higher than they should. I put a new Ford thermostat in it back in the fall when I flushed the coolant system and refilled with EC1 coolant. The temps I'm seeing range from 206 up to 222 and I have seen as high as 230 when I was going up a long grade on a hot day. This is not towing.
The fan does kick on like it should, or at least I think its working properly. When the temp gets to 210-212 I can hear the fan a little, when the temp gets to 219 I can really hear the fan. It usually cools it back down pretty quick unless I'm headed up a long grade. Am I wrong in thinking these temps are too high for a 192 degree stat? My worst fear of course is head gaskets even though I don't have any other HG symptoms. No coolant loss, no puking. What other things should I check first? A new thermostat would be easy enough but I don't know if that would be the issue or not.
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I have a 2007 F250 with the 6.0. Towing up a long hill my truck went into limp mode. I didn't have gauges at the time so I didn't know what my temps were. I now have gauges. I know that the coolant and Oil temps should not be more than 10-15* apart, but what is the max temp that oil should EVER get towing up a steep and long hill? Also, what is the max temp that coolant should EVER get towing up a steep and long hill?
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I was towing the 5er (about 15000#), across Southern Mn and SD today going right into a 20-25 mph wind in upper 90 temps, saw 228 on the oil temp and 199 on the tranny temp. When tow need to see for warmest temps and at what point you start to get concerned...
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Took a trip today that was 3 hours there and 3 hours back. Truck ran normal on the way there (eot about 202 and ect about 196-198), but on the way back truck ran a little hotter than normal (ect as high as 214 eot stayed within 2-3* plus or minus ect). Fan did kick on every time I hit ect of 212 and would drop it down to 196-198 and oil temp would drop at the same rate.
Truck is stock 190k miles with a bulletproof egr cooler and coolant filter. Oil cooler probably has about 20k on it. (4th one on this truck- since I like changing them out as much as the rest of us). I checked coolant level when I got home and I might've added a pint to get to bottom of sticker. I'm not sure it wasn't a pint low when I did last flush and cooler replacement.
No puking and I can't find any leaks. I pulled egr valve and no moisture in manifold just a worm out o ring that'll I'll replace. I can't find any leaks. Where to check that I haven't? I don't feel like I'm losing coolant because I wasn't really low. My fan never failed to kick on when I hit 212 or stopped at a red light. No moisture in manifold so I'm not thinking losing coolant due to head gasket. Maybe radiator looks ok but tomorrow I will blow out any bugs to make sure.
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I've got a no crank issue this morning. This truck has done this randomly off and on, mainly during colder temps, but normally if I hold the key in the start position for a few seconds it will crank. This morning, no such luck. Batteries are good, everything has power, I can hear the starter relay clicking when I turn the key to start but it won't turn over. It never does this during warm weather. It got down in the low 40s last night and it's rearing it's ugly head this morning. The only code is the P0341, camshaft position sensor, but I don't know if that would be the cause of this or not. It's a starter issue or the CPS?
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I'm trying to chase down a couple of issues and I need to be able to monitor the coolant (and oil) temps. I've downloaded the manual and the specific 6.0 X Gauge commands but don't see the coolant temps listed.
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This weekend while towing a light load I noticed my FWT and EOT starting to climb rapidly, EOT reached 260 FWT I think about 240. I exited the interstate to find I had a busted radiator hose. I replaced the hose and filled the system with distilled water, but didn't add antifreeze at this time. The system wasn't completely empty.
I noticed once back on the road my EOT seemed to be higher than normal but FWT seemed to be normal. Could the lack of antifreeze cause a greater delta between FWT and EOT? I have seen articles which state do not use Ford Premium Gold Coolant, but to use CAT EL-1 coolant instead. Which should I use?
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On my 2005 F350 Super duty 6.0 Power Stroke Diesel I have extremely high oil temps when towing and also have a warm start problem. I need to tackle both these problems at the same time but I am struggling to find the correct (and still affordable) parts for this. My local parts store and Ford dealer are way over priced.
First, I need an oil cooler (truck has an EGR delete so no EGR cooler).
Second, I want to replace all the seals in the high pressure oil system and replace the HPOP elbow.(Already replaced IPR)
Third, I would like to do the Blue Spring update as well while I am in there.
Looking for part numbers or kits numbers. I usually do all my own research but right now I am way too swamped at work and home to find these parts.
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Just bought a used 2011 ford f350 with the 6.7 diesel engine. Coming from a 7.3 1999 f350 with 330,000 miles, still going good. Took a 1000 mile trip on the 11 truck with out pulling anything did good. Hooked my enclosed trailer to it did a trip of 900 down and 900 back. Transmission temps were staying around the 250f, almost in yellow on gauge. Highest it went was 255f. Light never came on. Yesterday on trip without trailer was staying at 230f on trans temp. This is the first concern.
Second concern, had antifreeze coming out the cap on the degas bottle. Rolled over the hood and hit the drivers side windshield. Stopped un did the cap, it hissed. Put 2 quarts of antifreeze in drove on, this at 300 miles of trip. Primary water pump went out, half way there, at about 550 miles of trip. On trip back, about 1600 miles of trip, antifreeze was on windshield again. Undid cap, hissed, did not need to add any to it. Drove on no problems since. Have bought a new cap and installed.
Transmission doesn't want to shift right when its cold. First starting out. When it warms up shifts great. That's third problem.
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Last week I took my first long drive since taking in my truck for its 24000km service. Also first real drive on my new toyo m/t 275/70/18 ( same size as stock michelins )
About 1 hour into the drive, My exhaust regened, then slightly after I hit ( not held ) the ok button and it reset my trip. Which was strange as you need to hold it down to reset. But the bar just kept going. Then suddenly I went from 12.8 l /100 to 19 l / 100. Or converted it about 18-19 mpg to 14. After stopping and resetting the truck, it resumed 12.8 at 110 kmph.
Then today coming back on a 4-hour drive doing anywhere from 100 - 130 kmph ( 60 - 80 mph ) I could not get it to move off 13.8 l / 100 km. more then + or - .3
Is a 6 mpg difference normal for adding mudders? Or is my truck glitching or plugged somewhere.
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My 2007 has been having this issue for the last couple of years and has gotten pretty consistent lately. When it's below about 60 and the engine has cooled to ambient temps, it will crank all day and not start. Once ambient temps are about 60, it will fire up and runs like a champ. You'd never know it had an issue. It's got a #4 glow plug fault. Other than that, everything is reading within parameters. FICM, GPCM, or what?
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I have a 2004 F250 6.0 DuperDuty with about 170,000 miles on it, so far no major break-downs, just a starter and a blinker relay, but now I have a problem.
When I start now, the truck starts fine and it sounds fine, but it has almost no power even if I floor the gas peddle, there is a delay of like 2-3 seconds and then responds slowly, like some tractor. Eventually it starts to move slowly, and after it warms up (after a few minutes), the gas peddle responds more normal.
Also - at about 45mpg, at lower RPMs about 1250, the engine starts to shake (weird), it doesn't do it at idle about 850 RPM, or when I get it up to about 1800RPM+, but at about that 1250 RPM it does do it, luckily I driver locally for a few miles.
What could this be ? What exactly happens when I press on the gas peddle, what systems are involved and in which order?
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I've got a 2004 F250, 6.0, with 150k miles. I was pulling a motorcycle trailer uphill in the mountains when suddenly I couldn't go over 10 to 15 mph. All the gauges read good but it just couldn't get any power.
Got to the top and checked over everything. Didn't see any issues. Drove it home (200 miles) the next day. It drove okay on highway but it felt like the turbo wasn't coming on. Coolant was low and EGR was gunked up but only slightly wet. From what I read, it sounds like EGR cooler is failing but would that cause the turbo not to come on or feel like that loss of power? Reading another thread, I thought it might be the fuel pickup but I dropped the tank and the sending unit looked very good.
I'm ready to throw on a bulletproof egr cooler, oil cooler and rebuild the turbo if necessary but hate to get to the end and find out none of that worked.
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My 2011 6.7 suddenly lost power, started making noise and then stalled out.
After finding out that there are zero 24 hour service companies available in the LA area, I was able to get it towed to the local Ford dealer.the next day they told me it had dropped the #5 cylinder and that they would have to tear into it to find out what happened.
While I realize that any thoughts on the situation would be primarily idle speculation, what would cause this to happen at only 125,000 miles.
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