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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

Calling the 6.0 guru's

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Old Aug 27, 2015 | 07:32 PM
  #1  
04superduty6.0's Avatar
04superduty6.0
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From: Spiro
Calling the 6.0 guru's

My 04 F 350 started with a check guage light while going down hill towing an 18 ft car hauler full of mulch. Did it for 5 seconds, then when we got to our land and I was getting ready to back up it did it again. and this time my oil pressure gauge was at zero. I shut her down. checked the oil. its full. Drive home eveything is good. Today I'm getting fuel pressure guage going nuts. 80 to 100 PSI. at idle no oil pressure and the check guage light. but the engine is still running. Oil was changed 4K ago. fuel filters same.

Where to start looking?
 
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Old Aug 27, 2015 | 07:37 PM
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WatsonR
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From: Virginia Beach VA
Read the code.
Make sure your using a OEM cap and filter for oil.
Check the oil sensor connector by wiggling it, make sure it's not oil soaked and flooded in the connector. If it gets 7psi, it goes to the middle, if not it doesn't move.
 
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Old Aug 27, 2015 | 09:20 PM
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78fordman
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Calling the 6.0 guru's

Sounds like a gauge or sending unit problem.
 
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Old Aug 28, 2015 | 09:53 PM
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cheezit
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2 different issues.
Check gauge is either a sender or high pressure oil pump.
As stated fuel pressue is suspect of the gauage or sender.
 
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Old Aug 29, 2015 | 06:31 AM
  #5  
04superduty6.0's Avatar
04superduty6.0
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From: Spiro
I checked codes. have P0401 EGR system, P0500 VSS sensor, and P1102 mass airflow sensor. Oil filter cap is Ford. But the oil pressure sensor connector looks like its oil soaked, so I'm thinking sender. Sounds like a good time to add a real oil pressure guage. I may have to replace the fuel pressure sender too, it was an inexpensive Glow Shift I picked up on Craigslist. It just seemed weird that both went out at the same time.
 
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Old Aug 29, 2015 | 07:39 AM
  #6  
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Ford_Doctor
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From: New Jersey
Oil pressure sending units are a high failure rate item. Oil in the connector is a sign that the sensor has problems. I would replace the sensor and reevaluate the concern before anything else.
 
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