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Old Apr 17, 2008 | 03:37 PM
  #1  
jamesflassiter's Avatar
jamesflassiter
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From: Bremerton
Im at a loss

Ok so the other day was headed around the the South Puget Sound area driving to Seattle from Bremerton via Tacoma Narrows Bridge. I was heading up the hill towards Port Orchard, about 10 minutes from the house, when I felt what I can only explain as a series of misses. There where a few puffs of white smoke then nothing and the motor just shut down. I pulled over turned on the hazards, popped the hood and had a look around.

Could find nothing out of place or leaking. All wires and vacuum lines seemed in place. I poked around for a few minutes and then went to go grab the cell for a tow, when I put the key to it one more time just to see and with about half throttle she fired up. So I started home. Had to lay into the throttle to merge onto the freeway and she died again. Sat for 5 minutes and started up again.

This time I stuck to the side rodes, under 45 mph, and no problems! Got home and and started on the fuel system. Changed the fuel filter, air filter and and I am totally lost.

Need help pointing me in the right direction. I was thinking fuel line or fuel pump (just replaced that by the way) maybe the fuel return line blocked. But my diesel knowledge is thin, so here I am !

ford 1986 f 250 supercab 6.9l 4sp 2wd
 

Last edited by jamesflassiter; Apr 17, 2008 at 03:58 PM. Reason: forgot to add info about the truck duh!
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Old Apr 17, 2008 | 05:05 PM
  #2  
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78sharpshooter
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How full were your tanks? I heard the pickup tubes in the tanks can fail and even with 1/4 tank you won't get fuel. Otherwise maybe a failing lift pump would be my guess.
 
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Old Apr 17, 2008 | 05:14 PM
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one was full the other was 1/2.
 
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Old Apr 17, 2008 | 06:18 PM
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Kinda sounds like AIR in the fuel system to me. ??????
 
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Old Apr 17, 2008 | 07:37 PM
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catfish101
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Check your fuel tank caps. My 83 got to acting up once and it turned out to be a fuel cap. It didn't die completely but it wanted too.
 
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Old Apr 17, 2008 | 07:56 PM
  #6  
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Fuel tank caps. I will start looking for air in the system tonight and will check the tank caps for vent restrictions thanks
 
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Old Apr 17, 2008 | 10:23 PM
  #7  
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PLC7.3
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Visit....... Ford diesel 6.9 7.3 IDI

Tells ya all about air and the clear line test to locate sources.
 
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Old Apr 18, 2008 | 04:00 AM
  #8  
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From: Sweet Home, OR
Catfish,
What's the deal behind the loose gas cap thing? I remember problems with gas rigs because of this. I don't get it!
 
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Old Apr 18, 2008 | 07:03 AM
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mistakenID
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Sounds to me like the shutoff solenoid may be getting ready to go junk. I have seen it happen exactly as you describe and get worse over time.

If it happens again, out of the blue, I'd say it is the solenoid. It may be power to it or the solenoid it's self.
 
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Old Apr 18, 2008 | 07:44 AM
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How long since you did a fuel filter?
 
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