ERROR CODE P1507

  • Tiny
  • kallinsteve
  • Ford Expedition

2001 expediton 85000
I got the code today. Auto zone doesnt know what it is.
The paper said Idle Air Control System Underspeed error. What does it mean. Thanks, Steve

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Saturday, November 17th, 2007 AT 11:20 AM

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  • Tiny
  • merlin2021
  • Expert
  • 17,589 posts

What it means is the RPM's are lower than the PCM wants, IAC valve or circuit should be checked, and or a clogged intake airway? How is your air filter?

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Saturday, November 17th, 2007 AT 11:39 AM

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