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  #1  
Old 05-23-2009, 05:44 PM
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Unhappy Oil loss with no visible leak

Help!!
I have a 2004 F-150 Lariet 4x4 non heritage with a 5.4 engine and its using a quart of oil in 2000 miles. i got it with 94k miles and i didnt ever notice it using oil at first. now it has 147k. i see no leaks and have not noticed smoking from the exhaust. the truck runs great and the only mods are a factory replacement k&n filter and hypertech programmer. is this amount of oil consumption acceptable with this many miles on the engine and is there anything i can do to stop/reduce the consumption. any replys would be greatly appreciated.
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  #2  
Old 05-23-2009, 06:43 PM
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Quote:
Originally Posted by Cody_atchetee View Post
Help!!
I have a 2004 F-150 Lariet 4x4 non heritage with a 5.4 engine and its using a quart of oil in 2000 miles. i got it with 94k miles and i didnt ever notice it using oil at first. now it has 147k. i see no leaks and have not noticed smoking from the exhaust. the truck runs great and the only mods are a factory replacement k&n filter and hypertech programmer. is this amount of oil consumption acceptable with this many miles on the engine and is there anything i can do to stop/reduce the consumption. any replys would be greatly appreciated.
Ford considers that normal = using not burning.

But! If you install anything but a Motorcraft PCV valve. They will use more oil, sometimes -allot more.
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  #3  
Old 05-23-2009, 07:30 PM
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Did you switch brands of oil recently? A quart of oil in 2000 miles is definitely not normal.
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  #4  
Old 05-23-2009, 08:24 PM
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i have only used motorcraft since i got it (5w20). if that was a change from the previous owner i dont know.
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  #5  
Old 05-23-2009, 08:34 PM
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Quote:
Originally Posted by Cody_atchetee View Post
i have only used motorcraft since i got it (5w20). if that was a change from the previous owner i dont know.
Do you know what a PCV valve is ?
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  #6  
Old 05-23-2009, 09:16 PM
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I have a 99 Expedition with 95,000 miles – (5.4 engine)
I lose a quart in between oil changes with no apparent leaks.
My mechanic used a Ford PCV valve.
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  #7  
Old 05-23-2009, 09:26 PM
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Quote:
Originally Posted by rhdf150 View Post
.
I have a 99 Expedition with 95,000 miles – (5.4 engine)
I lose a quart in between oil changes with no apparent leaks.
My mechanic used a Ford PCV valve.
You not really losing a quart, your using it - it's normal,-No worries.

BTW -That would be a Motorcraft PCV valve. Ford doesn't manufacture them lol.

Last edited by jbrew; 05-23-2009 at 09:31 PM.
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  #8  
Old 05-23-2009, 09:58 PM
glc glc is offline
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You people that think the sky is falling if you use a quart of oil in 2k crack me up. No disrespect intended. I remember the days when I was happy to get 500 miles out of a quart of oil. I'm more concerned when an engine uses NO oil - I begin to wonder if the oil is getting where it needs to go.
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  #9  
Old 05-23-2009, 11:19 PM
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jbrew -
not really, where is it and what does it do?
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  #10  
Old 05-23-2009, 11:37 PM
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Quote:
Originally Posted by Cody_atchetee View Post
jbrew -
not really, where is it and what does it do?
You have a heated type in the 3 valve. -

Click the image to open in full size.

Positive Crankcase Ventilation

The def - http://en.wikipedia.org/wiki/PCV_valve
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  #11  
Old 05-24-2009, 04:08 AM
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Quote:
Originally Posted by JasonFX4 View Post
Did you switch brands of oil recently? A quart of oil in 2000 miles is definitely not normal.
With a 147k mi.? And them's Texas miles, so they're hard miles! When do you think an engine should start to use a quart in 2k mi. ? I don't think that's abnormal at all, matter of fact I think that's pretty good at 147k mi.
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  #12  
Old 05-24-2009, 09:15 AM
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Quote:
Originally Posted by code58 View Post
With a 147k mi.? And them's Texas miles, so they're hard miles! When do you think an engine should start to use a quart in 2k mi. ? I don't think that's abnormal at all, matter of fact I think that's pretty good at 147k mi.
Dont know, only had one engine that used that much oil and that was a 360 in a 40 year old F100. It was an old farm truck that had over 200k on it and not a very good maintenance record. So with a modern engine, I dont think its normal.
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  #13  
Old 05-24-2009, 10:33 AM
glc glc is offline
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Ford seems to think anything less than a quart per 1000 miles is normal - and they won't do anything about it on warranty. With 147k, you are bound to have some cylinder wall and valve guide wear - and seal hardening.
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  #14  
Old 05-24-2009, 10:39 AM
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Quote:
Originally Posted by JasonFX4 View Post
Dont know, only had one engine that used that much oil and that was a 360 in a 40 year old F100. It was an old farm truck that had over 200k on it and not a very good maintenance record. So with a modern engine, I dont think its normal.
Don't think. Listen, learn, overcome, adapt.
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  #15  
Old 05-25-2009, 04:36 AM
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Quote:
Originally Posted by JasonFX4 View Post
Dont know, only had one engine that used that much oil and that was a 360 in a 40 year old F100. It was an old farm truck that had over 200k on it and not a very good maintenance record. So with a modern engine, I dont think its normal.
I would actually worry if my vehicle used NO oil. I change every 3k mi. (have all my life) I have owned quite a few new vehicles (among them, 4 F-150's in 9 years) and have never had one that didn't use a LITTLE oil between changes. About 1/2 a quart or so. That's why I considered a quart in 2k mi.good, on a vehicle with 147K mi. When I worked for Chevy a lot of years ago, GM considered it acceptable if it used a quart in 500 MI.!!! If it used a quart in 499 mi. they would put rings in it (the warrantee was 12 & 12 back then), and believe me they put rings in one every now and then. Doesn't that make your qt. in 2k at 147k mi. seem dry in comparison?
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Old 05-25-2009, 04:36 AM


 
 
 
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