Oil Filer Cap Missing
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Oil Filer Cap Missing
I am an idiot I guess. When I last changed the oil I left the oil filler neck cap off. The truck is a 2006 F350 with the 6.0. I was driving the truck last night and it feels like I have an injector going out. So this morning I thought I would check things over and I found the oil filler cap missing. I'm guessing the dirty oil has caused one of the injectors to plug. Do you guys think I caused any further damage. The truck has just over 200,000 miles on it. No updates have been done that I'm aware of outside of the blue spring under the fuel filter. It doesn't consume much oil or coolant to this point. I'm thinking I'll get a cap, run it down the road to warm the oil up, change the oil and then take it to the shop to have the injector fixed. Does this sound like the best plan?
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Joined: Aug 2015
Posts: 3,910
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From: NW IA
It's an honest mistake. Hard to say what got down inside.
Does it see gravel roads?
One thing going for you is with the cap off, blow by would tend to keep dust from sucking in a little bit.
You have confirmed a contribution code?
Could be something as simple as a chaffed wire or bad connection somewhere.
Does it see gravel roads?
One thing going for you is with the cap off, blow by would tend to keep dust from sucking in a little bit.
You have confirmed a contribution code?
Could be something as simple as a chaffed wire or bad connection somewhere.
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I should add it's been around 5,000 since the oil change so it has been off for a bit. The cap is on the opposite side of the engine from the engine so I guess I never noticed it. It does see gravel roads. Maybe 30% of the time.
Hotshot
Joined: Dec 2014
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From: Jersey Shore
You could do an oil analysis, or just pull the tube off the valve cover, wipe the inside with a white paper towel and see how much debris are in there. That’s not a vacuum pull so I wouldn’t think you got an issues from that.
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Joined: Sep 2014
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From: Jasper, Texas
While the engine is running there is always positive presure in the crankcase. So unless you were doing dougnuts for a couple of hours in the Mojave or Sonora deserts don't worry about it. If you are concerned you are at 5k on the oil go ahead and change it (and the filter). If you're really concerned change the oil, go do some more dougnuts and change the oil again.
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Joined: Sep 2014
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From: Jasper, Texas
On a more serious note, I don't think that dirt in the oil would cause the injector to fail. What commonly happens to the 6.0 injectors to cause failure or compromised performance is "sticksion". Sticksion is when over time (due to heat and/or other factors) a coating forms on the electro-valve that operates the injector. That's why an injector may malfunction in the morning when the engine is cold and later begins to function when the oil heats up.
Before you spend the money on the injector replacement, you might want to run a full synthetic oil and/or a stiction eliminating aditive.
Before you spend the money on the injector replacement, you might want to run a full synthetic oil and/or a stiction eliminating aditive.
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Hotshot
Joined: Dec 2003
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From: Stuttgart, Ar
On a more serious note, I don't think that dirt in the oil would cause the injector to fail. What commonly happens to the 6.0 injectors to cause failure or compromised performance is "sticksion". Sticksion is when over time (due to heat and/or other factors) a coating forms on the electro-valve that operates the injector. That's why an injector may malfunction in the morning when the engine is cold and later begins to function when the oil heats up.
Before you spend the money on the injector replacement, you might want to run a full synthetic oil and/or a stiction eliminating aditive.
Before you spend the money on the injector replacement, you might want to run a full synthetic oil and/or a stiction eliminating aditive.
While the engine is running there is always positive presure in the crankcase. So unless you were doing dougnuts for a couple of hours in the Mojave or Sonora deserts don't worry about it. If you are concerned you are at 5k on the oil go ahead and change it (and the filter). If you're really concerned change the oil, go do some more dougnuts and change the oil again.
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