[DML] Re: Yet another Idle question

["Marv Hein" <marvhein@xxxxxxxxxxx>]

Just to reinforce Elvis' #4, I had a similar problem when I took 
things apart to change my thermostat. I disasembled less than I 
should have and slightly bent the throttle linkage arm so it got a 
tiny bit shorter.  This prevented the butterflies from closing 
completely. Fortunately, the arm length is adjustable and all is 
well now. 

Marv
#10820

--- In dmcnews@xxxxxxxxxxxxxxx, "Elvis" <elvisnocita@...> wrote:
>
> Bill,
> don't make it so complicated.
> 
> 1. is the idle switch ok ? 
> 2. is the idle switch being pushed correctly ?
> 3. verify it again
> 4. when the idle still hangs and you tested the switch
> with the engine off - test it again with the engine running !
> (push the lever it to close the butterflies completely)
> The vacuum behind the butterflies may prevent them from closing 
> completely because the shaft is worn.
> I've seen and heared of this problem more often then I heared 
> of a defect temp sensor (actually not even once !).
> 
> When the idle switch is not pushed, the idle ECU increases
> idle speed to something above 1000rpm !!!!
> 
> Elvis & 6548




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