Question about 2007 Ford F-350 Super Duty XLT
It sounds like a head gasket problem. A Radiator pressure test may reveal that there is a bridge between water and oil. This is not a guarantee because escaping oil is pressurized from 40-65PSI and the water system is in the neighborhood of 16-18PSI so there is significantly more oil pressure than water pressure. In short, it is easier for the oil to get to the water.
Another test would be to remove the Glowplugs. You may only have one bad side and if the antifreeze blows out the holes for the Glowplugs, you may only need to remove 1 head.
Check your dipstick. See if oil is mixed with water in crankcase.. Check oil level to explain action of pressure gauge.
Posted on Oct 13, 2013
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Posted on Jan 02, 2017
SOURCE: 94 f350 diesel pickup dual
I'd look for a bad or broken ground somewhere, either feeding both tanks, or the gauge itself, but start at the sending units and see if there is a common ground wire coming forward & joining into one.
Posted on Dec 21, 2008
first check the oil and see if it is full. the injectors are fired by oil pressure so check those things first.
Posted on Feb 11, 2009
SOURCE: 2007 Ford expedition won't start
ur oil pump may be failin-there r sensors everywhere on new cars-keepin u from starting as safety measure-computer systems r complex n things dont always show on 1 scan-they kinda hav the mindset of a pc
Posted on Sep 15, 2009
Testimonial: "Thank you. I have spoken with 2 other mechanics who said the same thing regarding the oil pump. It's being looked at. So I'll post more once I know"
SOURCE: ford f350 overheating
I have a 2005 F350 and mine was doing the same thing. We changed everything including replacing a new factory overflow cap. Finally, we found that the head gasket was leaking causing the engine to overheat but also I was loosing a ton of horsepower. We rebuilt the engine from the head gasket and new heads all the way to the top of the engine. We replaced the head bolts with new head studs and it feels like a new truck. More horsepower and it pulls like the beast that it was meant to be. Hopefully, this helps good luck.
Posted on Aug 05, 2012
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