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2009 FXT limited
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Discussion Starter · #1 ·
Hey guys, I finally upgraded from my 05 X to a 09 XT limited this week. I have TONS of oil change receipts and one for head gaskets, timing belt, rebuilt turbo assembly, camshaft bolt, timing covers, breather hose, vacuum hose, oil filter.

the car is at 155k miles and I have put less that 100 on it yet! its not even registered yet. checked codes before purchasing and came up clean and drives great.

Driving home today I got the P0021 code. car runs exactly like it did before the code. nothing sounds different to my untrained ear. once I got home I checked the oil again and it still looks good in color and level.

now Ive already read through multiple forums on this and unfortunately I haven't seen one where someone has solved it and updated the forum. My first steps will be to call the shop previous work was done and see what they think then a flush and drain of the oil and go from there.

Any thoughts, links, records, schematics/diagrams, videos, photos are welcome and encouraged! thanks in advance.
 

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I saw your inquiry in the other thread....

I would take a look at the cam sensor. It could be as simple as making sure the harness connector is seated, or just needs a swap out.

What oil is in it now? 5w30 / 5w40?

C.
 

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Discussion Starter · #3 ·
since I just bought the car I'm not quite sure what was being ran before but after discussing oil with some locals and reading forums I decided to change the oil to Rotella T6 5w40 and see what that does for me. I did that yesterday and put on an OEM filter. ill take a look at the harness connecters are clean and holding well. code hasn't come on since the first time and I cleared it but im betting on it coming back eventually.

im currently trying to locate all the banjo/union bolts I need to remove and check or replace.
 

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Discussion Starter · #4 ·
For anyone following this here is the update.
it’s been over a week since I got the code and cleared it. About 2 days after I did a oil change and used an OEM filter and chose to use Rotella T6 5w-40. I’m not working rn (thanks covid) so I don’t drive a ton but in the last 3 days I’ve driven about 250 miles give or take and haven’t got the code once. I also spoke to the shop who’s done most of the work on the car in the last year (this was during the previous owners time with the car) and they said they replaced both VVT solenoids and believe that the filter in the union (banjo) bolts are already removed since the TSB was released and recommend such.
if I get the code again you can bet I’ll be back with that.
 

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Discussion Starter · #5 ·
Forgot to mention I also ran 4oz of sea foam high mileage for about 50 miles before my oil change.
 

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Discussion Starter · #6 ·
Alright I am back :( It has been 554 miles since I last cleared the P0021 code and 518 miles since I changed oil to RT6.
I just cleared the code and immediately remembered that the local shop here told me not to and to bring it in once it came back :/ oops. Welp, guess ill wait and see if it comes back any time soon. If anyone has any insight feel free to PM or put it on here. thanks.
 

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Discussion Starter · #7 ·
New discovery! I decided to go check out the camshaft position sensor. And discovered a sizable puddle of oil resting on top of the block. Now I knew I was leaking something somewhere because the car smokes a little when I drive to my parents (50 miles away) but I assumed it was power steering cuz I’ve watched that get low every few weeks. Here’s a photo since I can’t post a video. Any help on finding where that could be leaking from would be great! No sign of leaks at the head gasket.
535376
 

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Discussion Starter · #9 ·
Wanted to update this for the next sad sob who comes into this issue. That leak next to the cam sensor probably wasn’t from the cam sensor, I dried it and it never came back.

I get the code about every 1000 miles now, still running the T6 oil.
a large possibility is is the fact that my intake cam seal was leaking and eventually blew out on the highway a few months back. I towed it home and replaced it that weekend. That change in oil loss/pressure could possibly have caused the code to be a more frequent thing for me but time will tell.

All I can say to anyone who has this issue is to be hyper vigilant and check your fluids regularly, like twice a week and to always be on the lookout for any drip and puddles. Maybe you’ll figure it out before me.
 
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