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CP3
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Baton Rouge
Member since Sep 2009
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2011 F150 5.0 v8
So I changed my oil today (~7500 mile interval), and when I drained it there was only 1.5 quarts in it. It takes over 7 quarts on a fill. No warning lights or anything, other than I just threw a code for "cam shaft bank "B" timing over advanced".

120k miles on truck with absolutely no signs of leaking oil.

Is it time to clear the codes and trade this bad boy in?
This post was edited on 4/12 at 5:55 pm


Geaux23
LSU Fan
Member since Sep 2012
3935 posts
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re: 2011 F150 5.0 v8
Boat too big truck too small


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61
Ice Cream Sammich
LSU Fan
Baton Rouge
Member since Apr 2010
9491 posts

re: 2011 F150 5.0 v8
quote:

only 1.5 quarts in it.

Its running very efficiently.

ETA:

First green F150.

Truck Nuts [OFF] ON

New hybrid.

5.0, more like .50

Take your pick.
This post was edited on 4/12 at 6:38 pm


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04
cajuncarguy
On the road...Again!
Member since Jun 2013
1781 posts

re: 2011 F150 5.0 v8
That's rare for a 5.0 to burn that much oil. Have you seen any smoke at all? Did you not check it. It's not abnormal for an engine to burn 1 quart every 1-2000 miles. So change the oil again and see how it drives but the code says you were having a problem with the cam actuator. It is powered by hydraulic pressure so that may be a problem. When you change the oil look for signs of metal in the oil. It would look silvery and be settled on the bottom of the drain pan.

If you see that trade it but tell us where.

Edited to remove laughing.
This post was edited on 4/12 at 6:51 pm


LSUlefty
LSU Fan
Youngsville, LA
Member since Dec 2007
19703 posts
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re: 2011 F150 5.0 v8
Shouldn't a low oil pressure light still have come on?


cajuncarguy
On the road...Again!
Member since Jun 2013
1781 posts

re: 2011 F150 5.0 v8
That;s what I was thinking. Also wondering if the last place that changed oil didn't fill it up all the way. Check your oil!


Clames
LSU Fan
Member since Oct 2010
9547 posts

re: 2011 F150 5.0 v8
quote:

Also wondering if the last place that changed oil didn't fill it up all the way.


Always possible.


quote:

Check your oil!


Change your own and then you'll know it's done right.


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30
Sparetime
Mississippi St. Fan
Lookin down at La
Member since Sep 2014
402 posts

re: 2011 F150 5.0 v8
Cam looks to be retarded from oil gunk buildup, thus oil being trapped on gunk and the retarded cam. You wouldn't see an oil pressure problem because of less area due to buildup.

Put a motor craft filter on it, put 5w-20 in it, substitute one quart of oil for lucas oil stabilizer, and get the code cleared. Change oil within 3500 miles next time and repeat these steps. After that it should be fine, if not, needs a chain job.


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Clames
LSU Fan
Member since Oct 2010
9547 posts

re: 2011 F150 5.0 v8
quote:

put 5w-20 in it


That's a bad idea. Even if it's the OEM spec oil, 5W-30 is the minimum that should be run in those engines. Synthetic 10W-30 is an even better choice. For those that would say that oil is too thick, Ford specs 5W-50 in the Mustang Coyotes.


Rando
USA Fan
When IPs were Visible
Member since Apr 2015
14359 posts

re: 2011 F150 5.0 v8
quote:

Even if it's the OEM spec oil, 5W-30 is the minimum that should be run in those engines.


Except for the part where he advised to dump a quart of utter crap thickener in it.


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10
LEASTBAY
LSU Fan
Member since Aug 2007
5654 posts
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re: 2011 F150 5.0 v8
Mine used to do that. Then it would start shutting off when I put it in reverse when the oil pressure was low. Never a warning light. Just check it every 3k miles and add some


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CP3
LSU Fan
Baton Rouge
Member since Sep 2009
6469 posts
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re: 2011 F150 5.0 v8
quote:

Shouldn't a low oil pressure light still have come on?


That's what I was thinking, but it never came on


thejudge
USA Fan
Westlake, LA
Member since Sep 2009
8198 posts

re: 2011 F150 5.0 v8
I change my oil now..

Had a 94 z71 350. fricking shop didn't fill it up and when I changed it myself the next time seems like nothing came out and I had an oil light. It freaked me out. I climbed alllll over it looking for a leak as it wasn't burning anything.. I was in college and very nervous it was a major issue.

Decided to just change to watch it. Never did it again when I started changing it.

All I can figure is the insta oil place fricked me.

I've changed oil in everything I own ever since.


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30
bayou choupique
LSU Fan
the banks of bayou choupique
Member since Oct 2014
1105 posts

re: 2011 F150 5.0 v8
I’m pretty sure my 5.0 calls for either 0w-20 or 5w-20


Clames
LSU Fan
Member since Oct 2010
9547 posts

re: 2011 F150 5.0 v8
quote:

I’m pretty sure my 5.0 calls for either 0w-20 or 5w-20


Yeah, that's the OEM spec. Doesn't mean it's good to use either. Ford went to 5W20 long before they stated using cam phasers, in an older 2-valve engine it's ok because the stock oil pump can supply the volume to maintain good pressure even as the oil sheared down. In later engines, the cam phasers use oil pressure to move and tap off enough oil volume such that the pumps don't supply quite enough volume to keep good pressure as the oil shears down. 5W50 oil specd for the Mustangs maintains enough viscosity so it isn't as much an issue, though 20W50 is better in warmer seasons. 5W20 is CAFE oil in trucks, go to a 5W30 or 5W50 in the winter and 10W30 or 20W50 in the summer.


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ducksnbass
LSU Fan
Member since Apr 2014
493 posts

re: 2011 F150 5.0 v8
Mine does the same. 2011 F150 5.0 159k. Checked it the other day and it was 2 quarts low about 3,500 miles since oil change. I just keep some oil on hand and add until I have a full oil change done.


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