Codes P011 and P0021

Tiny
RAMON NIETO
  • MEMBER
  • 2006 FORD F-250
  • 5.4L
  • V8
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
I just replaced both VCT solenoid vales, change oil, injectors clean, replace filters, acceleration body clean and I still have P0011 and P0021 DTC Codes. What can I do?
Any recommendation please?
Thank you.
Thursday, December 2nd, 2021 AT 12:25 PM

1 Reply

Tiny
AL514
  • MECHANIC
  • 4,699 POSTS
Hello, unfortunately the cam phasers and timing chain guides on these break apart and all the pieces end up in the oil pan, clog up the oil pick up tube. It's a real mess. If you pull a valve cover you should be able to check the chain slack and see if the guide is missing. Since you have already done the basics in a situation like this, new oil, changed the solenoids, etc. I think you should pull a valve cover and check the timing chains. While you're there, check the first cam cap behind the phaser for excessive wear, but i think you're going to find your timing components have failed. If you do replace the chains, make sure to do the phasers too, and only use OEM (Ford) parts, it has been advised to never use aftermarket parts on these. I'm directing you to a Ford technician he explains why all this happens.

https://www.youtube.com/watch?v=hhQq9Iw_JUY
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Thursday, December 2nd, 2021 AT 2:50 PM

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