5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

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Old May 20, 2009 | 08:16 PM
  #11  
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smacked1
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THANK YOU ALMOSTSTOCK

i just went outside with a flashlight and found the air bypass valve and the tubing was broken

now i just need to replace it
thanks for the pics
Old May 20, 2009 | 09:51 PM
  #12  
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^^
No problem I knew you'd figure it out.
Old May 29, 2009 | 11:07 PM
  #13  
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Well to bring this back to life, I went back and ran the tests again.

I still get KOEO - #18

for KOER - I get 94/44. I cleared the 33 by hooking up the wires correctly.

Would appreciate any help I can get on this. I traced back to the TAD and TAB to verify they both get 12v+ to the red.

I am stuck right now.
Old May 29, 2009 | 11:10 PM
  #14  
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Originally Posted by FORD TOUGH
Check your base timing. Here is a vaccum diagram http://www.veryuseful.com/mustang/te...g5.0Vacuum.gif
Base timing is set at 16*.
Old May 30, 2009 | 11:49 AM
  #15  
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ttt ttt
Old May 30, 2009 | 11:07 PM
  #16  
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Getting closer folks ..... after doing numerous tests to ensure the TAB/TAD are getting power, and that the Diverter and Bypass work, I began to get frustrated and was like, "let me pull the TAB/TAD solenoids and see what they look like. Low and behold both are cracked on the bottom, one actually broken in 2 as I was taking it out.

It seems neither was working, and more than likely also causing a vacuum leak to boot. I'm looking to hit the junkyard, or see if my local mustang club members can help me out.
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