Idle

Tiny
ADLERC
  • MEMBER
  • 2003 HONDA ODYSSEY
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 155,000 MILES
Idle is fluctuating periodically between 1200 down to 200. The IAC sensor was replaced but problem still persists
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Thursday, January 28th, 2016 AT 8:15 PM

9 Replies

Tiny
JOHNNYT73
  • EXPERT
Check the coolant level, and that all the air was bled out of the system.
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Thursday, January 28th, 2016 AT 8:25 PM
Tiny
ADLERC
  • MEMBER
Thank you
How do I bleed the system on this model?
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Thursday, January 28th, 2016 AT 8:45 PM
Tiny
JOHNNYT73
  • EXPERT
Just take off the radiator cap, fill with coolant, start the engine with heat on and let it idle till it reaches operating temp, raise the rpm to about 2500 and hold it for about 3 seconds each time, continue to check coolant level to the radiator fans come, when they do just put the cap on and your done.
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Friday, January 29th, 2016 AT 4:55 AM
Tiny
ADLERC
  • MEMBER
When I mentioned this to my mechanic he said that if I'm not overheating then the cooling system is fine and not at all connected to the issue of idle. What do you say about this?
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Monday, February 1st, 2016 AT 12:38 PM
Tiny
MHPAUTOS
  • EXPERT
May be an air lock in the throttle plate coolant passage, this would not cause any over heat issues, also clean throttle plate and clean IAC by pass air passage and make sure the IAC is actually working, take nothing for granted as new parts can be faulty.
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Wednesday, February 3rd, 2016 AT 11:33 PM
Tiny
ADLERC
  • MEMBER
Actually, as I drove around a few days the idle settled into an almost perfect setting. Meaning, mostly it is stable at 5-600 rpm. Once in a while it will slightly fluctuate between 500 and 1100 rpm for a short period of time. Also, the computer is no longer indicating a faulty IAC. Should I just leave it at this point?
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Thursday, February 4th, 2016 AT 8:49 AM
Tiny
MHPAUTOS
  • EXPERT
I would just drive and monitor the situation and re post if it is a ongoing concern.
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Thursday, February 4th, 2016 AT 12:34 PM
Tiny
ADLERC
  • MEMBER
Thanks
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Thursday, February 4th, 2016 AT 4:34 PM
Tiny
KEN
  • ADMIN
Did this problem resolve?
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Saturday, April 23rd, 2016 AT 8:49 AM

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