2004 Ford F150 obd readiness?

2004 FORD F-150
62,000 MILES • V8 • 4WD • AUTOMATIC
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GEERUSSO
  • MEMBER
  • 1 POST
I am trying to have my truck inspected, but my catalyst and 02 components have not moved to ready and are still incomplete. I have driven through the proper drive cycle laid out by ford more than once and still nothing. I have given at least three cold soaks as well. I am not pulling any codes, is it a question of just time or could their be a malfunction with the cat or and o2 sensor that is not allowing the obd to finish. Wouldn't that pull code though?
Jul 26, 2010 at 3:07 AM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
The cat and O2 sensor have nothing to do with the reset. I would swap out the thermostat because it sounds like it is stuck open not allowing the engine to get up to temperature. That should fix it.
Jul 26, 2010 at 3:14 PM
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BIGMIKAL2006
  • MEMBER
  • 1 POST
I am having same issue and installed a new thermostat, it was broken. monitors reset.
Sep 17, 2012 at 3:01 PM
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