Ford Powerstroke 99-03 7.3L Discussion of 99-03 7.3 Liter Ford Powerstroke Turbo Diesels

Truck died, strangely

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  #1  
Old 05-13-2011 | 01:10 PM
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Default Truck died, strangely

About an hour ago I started the truck to warm it before heading to work. It ran for a minute and then I put it on high idle. 3-4 minutes later I could hear the RPM's going all over the place, went out and shut it down. Now, it won't start, only crank.
When I went outside it was smoking white. Not a strong fuel or coolant smell, it smelled like it usually does(7.3 exhaust has a smell to it, like a personality), just had color to it. When the RPM's were fluctuating the sound was normal (like it was being controlled by me in the cab), no knocks, sputters, or out of the ordinary noises.
I pulled the fuel filter just see look and it was waxy as if it were winter, it's 65 outside, that was unusual. I'm getting another filter. I'm also going to look at the HPOP res. level, triple check oil level (was full at 7 this mornin'), verify fuel level (had 1/2 tank when it was started), and drain fuel bowl just to be sure.

Any other suggestions on what to check or possible causes would be helpful. Thanks.
 
  #2  
Old 05-13-2011 | 01:14 PM
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CPS...
 
  #3  
Old 05-13-2011 | 02:54 PM
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Originally Posted by 95powersmoker
CPS...
nope...

IPR...
 
  #4  
Old 05-13-2011 | 03:04 PM
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Originally Posted by CSIPSD
nope...

IPR...
I tried.
 
  #5  
Old 05-13-2011 | 03:55 PM
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LOL... Who knows... Without being there its a crap shoot... but most times a CPS will be like a switch. On or Off...
 
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Old 05-13-2011 | 04:00 PM
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Ooops. I just reread the post. I thought he said after the rpm's were fluctuating, it shut itself down... Now i'm reading the OP shut it down and now it wont start. My apologies...
 
  #7  
Old 05-15-2011 | 12:56 PM
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An update. I drained the fuel bowl and replaced the filter. The HPO res. was empty, filled it, cleaned up my mess, and it started right up and backed it out of the driveway onto the street. When I checked the oil and fuel level it was good. Shut it off, and checked the res. again, full. But an hour later it was empty. After a few seconds of cranking, it fired back up. I've learned with this issue I can't have the truck idling in the driveway, it's an incline, without seeing the original issue. Driving down the road, it works just fine. I hate sounding like a dumb**s, but this is confusing and frustrating. Now time to look at fixes.
 

Last edited by OceanDiesel; 05-15-2011 at 01:05 PM.
  #8  
Old 05-15-2011 | 02:49 PM
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Could be a cracked pick up, or a bad check valve in the pump... It should not be bleeding down...
 
  #9  
Old 05-15-2011 | 09:29 PM
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Engine pick-up? Can you replace the check valve or do you need a new pump?
 
  #10  
Old 05-15-2011 | 11:18 PM
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I dont think the check valve is something that you can replace, but I honestly have never had one apart.

Oil pick up in the oil pan. I really doubt that its that...

You have a leak down issue of some kind.

Ford makes a nice kit to test this, plugs one head off and then the other and such. Wish I had one myself but its spendy.
 


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