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IAC valve relearn

Tiny
ANGEL0324
  • MEMBER
  • 1999 HONDA PASSPORT
  • 2.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 200,300 MILES
What's the IAC vavle calibration or how do I perform a relearn program for it?
I have P0507 and I am sure that it is because I replaced this valve without any of this.
Friday, January 11th, 2019 AT 6:24 PM

3 Replies

Tiny
STEVE W.
  • MECHANIC
  • 13,465 POSTS
Welcome back.
Okay, P0507 - Idle speed higher than expected.
First remove the negative battery connection for about five minutes, this should clear the idle memory. Reconnect.
Start the engine and rev it to 1,500 rpm, then back to idle (500) then back to 1,500 and back to idle.
If you have the code return and the idle speed is high then verify that there are no vacuum leaks as they can also set this code.
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Friday, January 11th, 2019 AT 7:13 PM
Tiny
ANGEL0324
  • MEMBER
  • 26 POSTS
Okay, I'll try tomorrow morning and see what happens. Thanks for your help.
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Friday, January 11th, 2019 AT 7:27 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
Please let us know.
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Monday, January 14th, 2019 AT 12:52 PM

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