Stranded in Utah - Ford Powerstroke Diesel Forum
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post #1 of 14 Old 09-22-2013, 01:36 PM Thread Starter
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Stranded in Utah

My girlfriend and I are moving from Sarasota, FL to Los Angeles, CA. We've planned a lengthy road trip to travel the states on our way. We've been on the road for about 5 weeks now and haven't run into much trouble. The truck is an early '99 F-250 7.3l. We have a 1,300 lb camper in the bed and a 13,000 lb tandem axle trailer following us. GVW is 23,500 lb.
I noticed the truck overheating as we came out of a lengthy and steep pull in some canyons outside Moab. As soon as I saw the temperature gauge rise I pulled over and waited for it to cool. With another climb ahead I knocked it in 4low (with the hubs unlocked) and crawled up without issue. I then put it back in 2high and began our descent. I immediately noticed a loud knocking sound, large loss of power, and saw white smoke billowing from the exhaust. We stopped and called a tow truck. $500 later and we're in Richfield, Utah.
I need help diagnosing the problem. I'm mechanically capable and have my tools with me but I'm not sure how to determine the issue.

Here's the facts:
-Extreme amounts of white smoke billowing from the exhaust (like a fog machine!)
-no noticeable sweet odor or taste in the smoke
-no noticeable milkiness in the oil
-severe power loss at high rpm
-loud and disorganized clanking sound from the engine (or possibly the turbo)
-engine didnt seem to have problems cooling after overheat

I believe its most likely the turbo gone bad but i dont know what to look for. can anyone point me in the right direction? i really appreciate any help in advance-
Justin
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post #2 of 14 Old 09-22-2013, 01:45 PM
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post #3 of 14 Old 09-22-2013, 02:03 PM
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are you running a tuner/ do you have a egt gauge? if so what tune and what where the egts in the hills

what speed and rpms where you running in 4low

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post #4 of 14 Old 09-22-2013, 02:50 PM Thread Starter
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are you running a tuner/ do you have a egt gauge? if so what tune and what where the egts in the hills

what speed and rpms where you running in 4low
I have a superchip that came with the truck. I believe it has a towing tune on it as it seems to reduce my fuel mileage while not towing and gives more power while towing.
egt gauge sat around 9.5k. it maybe peaked past 10k for a short duration.
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post #5 of 14 Old 09-22-2013, 02:58 PM Thread Starter
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Oh and i was going about 25mph and the rpms were fairly high at around 2600-2700
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post #6 of 14 Old 09-22-2013, 03:01 PM
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Originally Posted by Just-In Time View Post
I have a superchip that came with the truck. I believe it has a towing tune on it as it seems to reduce my fuel mileage while not towing and gives more power while towing.
egt gauge sat around 9.5k. it maybe peaked past 10k for a short duration.
EGT's should never go above 1350* F...

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post #7 of 14 Old 09-22-2013, 03:07 PM Thread Starter
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EGT's should never go above 1350* F...
Yes my mistake. 950 and 1,000 degrees
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post #8 of 14 Old 09-23-2013, 09:21 AM
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any codes?

have you checked all the intercooler lines and seen if you blew a boot off,

the only thing that has me worried is the clanking sound, does it increase with rpm or constant, you could inspect the turbo pretty easy, just remove the intake with the engine off and look at the blades and see if it damaged?, spins freel and minimal shaft end play, etc.

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post #9 of 14 Old 09-23-2013, 10:51 AM Thread Starter
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I imagine i would notice a leak if i blew a line off correct?
the clank seems to be relatively constant but i haven't gone past 1500 rpms so i havent heard the turbo engage.
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post #10 of 14 Old 09-23-2013, 11:00 AM Thread Starter
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I found a diesel mechanic in a nearby town and had the truck towed there. Hopefully they'll let me know by the end of the day exactly whats wrong. i'll report back when i know
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