Low Idle
I have a 2000 honda civic LX and yesterday i noticed my car was idling at
about 200rpms when normal idle is about 900rpms.when cold it idles ate 1100rpms then goes down to 200 when it's warm, i also noticed when the fans kick in the rpms go up to about 600rpms then drops back down.i have a haynes manual and it suggests the IAC valve, is there anything else that could cause this. |
Re: Low Idle
00civic wrote:
> I have a 2000 honda civic LX and yesterday i noticed my car was idling at > about 200rpms when normal idle is about 900rpms.when cold it idles ate > 1100rpms then goes down to 200 when it's warm, i also noticed when the > fans kick in the rpms go up to about 600rpms then drops back down.i have a > haynes manual and it suggests the IAC valve, is there anything else that > could cause this. > the gauge only goes down to 500rpm, so it's unlikely you tell if the motor's idling at 200. normal is supposed to be 750. |
Re: Low Idle
jim beam <nospam@example.net> wrote in
news:SZydnfSTOcwJ3YPeRVn-sQ@speakeasy.net: > 00civic wrote: >> I have a 2000 honda civic LX and yesterday i noticed my car was >> idling at about 200rpms when normal idle is about 900rpms.when cold >> it idles ate 1100rpms then goes down to 200 when it's warm, i also >> noticed when the fans kick in the rpms go up to about 600rpms then >> drops back down.i have a haynes manual and it suggests the IAC valve, >> is there anything else that could cause this. >> > the gauge only goes down to 500rpm, so it's unlikely you tell if the > motor's idling at 200. normal is supposed to be 750. > > I'll bet he's actually idling at 650. 1) Dirty throttle body 2) Dirty/defective IAC. 3) Idle speed screw adjusted incorectly. -- TeGGeR® The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ |
Re: Low Idle
TeGGeR® wrote:
> jim beam <nospam@example.net> wrote in > news:SZydnfSTOcwJ3YPeRVn-sQ@speakeasy.net: > > >>00civic wrote: >> >>>I have a 2000 honda civic LX and yesterday i noticed my car was >>>idling at about 200rpms when normal idle is about 900rpms.when cold >>>it idles ate 1100rpms then goes down to 200 when it's warm, i also >>>noticed when the fans kick in the rpms go up to about 600rpms then >>>drops back down.i have a haynes manual and it suggests the IAC valve, >>>is there anything else that could cause this. >>> >> >>the gauge only goes down to 500rpm, so it's unlikely you tell if the >>motor's idling at 200. normal is supposed to be 750. >> >> > > > > I'll bet he's actually idling at 650. > > 1) Dirty throttle body > 2) Dirty/defective IAC. > 3) Idle speed screw adjusted incorectly. > i'm always reluctant to recommend adjusting the idle screw because if all the other stuff is working right, you never need to go near it. |
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