Oil Consumption Excessive?
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New User
Joined: Mar 2006
Posts: 17
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From: Greenacres, WA.
Oil Consumption Excessive?
Does anyone know what is excessive oil consumption on these 7.3's? I have a 01 and consumes 2 quarts every 3000 miles using Delo products and have a friend that only gets 1000 miles. I wasnt too worried about mine but his seems to excessive for my liking. My engine has 90 K on it. Not sure about his. And the other question is at that point of it using oil (add mark) is the oil breaking down and should it be changed or put 2 qts in her and keep driving till 5000 mi.?
Lead Driver
Joined: Dec 2003
Posts: 5,250
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I would be a little worried. If your truck still has warranty take it in.
How hard do you work it? Under heavy loads it would burn a little oil.
My truck doesnt burn a drop, and even after 5k the oil is still a nice honey color.
How hard do you work it? Under heavy loads it would burn a little oil.
My truck doesnt burn a drop, and even after 5k the oil is still a nice honey color.
Freshman User
Joined: Aug 2006
Posts: 28
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I have same engine and it is only used for light duty and sometimes a travel trailer. It did not use any oil for 125k miles and now has moved to about 1 qt. per 1000 miles. I can not see any leaks. I have noticed the blow by to the crankcase is worse than it used to be. It seems to be puffing when the oil fill cap is removed. This is not a real problem for me, but I wonder if it is leading to something worse. JDS549
Postmaster
Joined: Sep 2004
Posts: 3,916
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From: Bellingham, WA
Mine used to burn around 2 quarts every 5000 and I was told it was normal. Then one day when sitting in traffic I noticed a burnt oil smell. Upon further inspection I had a leak from the back of the turbo and was burning on the back of the engine, therefore I never noticed any drips. (in hindsight I would have looked a little harder before assuming it was normal.) Anyways, all is tight now and with 140,000 miles on her it does not use a drop. Just my 2 cents worth.
New User
Joined: Nov 2006
Posts: 20
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From: long lake Alberta
mine burns a liter in 5000km at 360000km and same thing i was told it was normal but it has done that since new, but i also run XD3 0-40 synthetic all year instant oil press at -30 gota love it
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