2015 6.7 power stroke
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1st Gear
Joined: May 2023
Posts: 1
Likes: 0
2015 6.7 power stroke
Just made a trip from Texas to CO, pre-trip full on oil, 15w-40 motor craft, as I was about half way through smelt a heavy oil smell but figured it was from driving through the oil towns in Texas, got to CO and ran another pre trip before hooking to my trailer and hauling heavy back to Texas and was barley on dip stick. No oil leaking from underneath just burnt, 3k miles from last oil change and change it every 5. Has anyone else had this happen, in 50k miles I’ve owned this truck (7 months) never had an issue with motor craft burning, mobile one burnt cause i needed a lower temp for freezing temps back in December up north, so I switched back to motor craft.
Cargo Master
Joined: Oct 2008
Posts: 3,330
Likes: 13
From: Eaton, CO
I got away from Motorcraft oil as soon as my complimentary and maintenance warranty (was traveling a lot at the time to warrant said warranty) oil changes ran out on my '16. Doesn't burn any oil at all. 166k miles on it. I run full synthetic Rotella or Valvoline blue year round. I'm in Colorado as well.
I will say the very first oil change where I swapped over to fully synthetic, I was pissed at how much sludge I got out of the Motorcraft oil from my pan. Zero sludge since switching to fully synthetic.
I will say the very first oil change where I swapped over to fully synthetic, I was pissed at how much sludge I got out of the Motorcraft oil from my pan. Zero sludge since switching to fully synthetic.
More Turbo
Joined: Jan 2011
Posts: 627
Likes: 17
Something is not right and unlikely just the type of oil used, so it needs a serious investigation before a possible engine failure. I run Rotella T6 5W-40 and at 130K+ on my 2016 I have yet to add *any* oil between my 7500 mile changes, nor has the dipstick reading ever been low when checking right before a 7500 mile change. Sudden oil consumption with no drips makes me think failed piston rings or turbo seals, neither of which should be neglected.
1st Gear
Joined: Aug 2023
Posts: 1
Likes: 0
2 quarts in 4,000 miles
2023 F350 6.7l has 4,000 miles on it, checked the oil and it was at the bottom of the stick, added 2 qts. Has only towed a boat about 60 miles and has been treated like a baby since I’m currently recovering from surgeries. I have had several Ford Pickups both gas and diesel that range from zero to less than a quart between changes….I’m thinking I should be freaking out. I’ll probably keep a close eye on it for 10,000 miles for sure.
Hotshot
Joined: Jul 2013
Posts: 14,266
Likes: 2,187
With 6.7’s oil mist gets sucked into turbo thru CCV.
my experience is oil misting is worse with blended and Dino based oils vs less misting with our synthetic.
there are threads in the 6.7 forum about intake crud cause by the engine sucking in oil thru CCV.
my experience is oil misting is worse with blended and Dino based oils vs less misting with our synthetic.
there are threads in the 6.7 forum about intake crud cause by the engine sucking in oil thru CCV.
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