[DML] Re: Idle Speed thermistor
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[DML] Re: Idle Speed thermistor



Shain,

You may simply want to make sure the connector and contacts are not 
corroded. I have found that corroded contacts, poor grounds, etc. 
account for about 80-90% of my little problems.

You say it idles perfectly until it gets "really warmed"? The 
thermistor should change states around 15C (about 69 degrees F) that 
will happen fairly rapidly in the coolant system. It may not be your 
problem. 

You could simply check it with an OHM meter while cold and again 
while warm. That should tell you, before you go buy a part you don't 
need.

Good Luck.
Eric

--- In dmcnews@xxxx, shain@xxxx wrote:
> Eric,
> 
> On ym car it idles perfectly until my car gets really warmed after 
> a good drive. The my idle seems to be elevated a bit (400rpm), and 
> maintains that right on. I have cleaned everything, replaced alot, 
> and this was my last idea. Let me give it try and see if it works.
> Thank you.
> 
> - Shain
> #10140
> 
> ----- In Response To -----
> 
> > Hi Shain,
> 
>> The thermistor in the Idle Speed circuit activates a circuit in the 
>> Idle Speed ECU, when the coolant is below 15 degrees C, which tells 
>> the ECU to open the idle speed regulator a little more - to allow the 
>> engine to idle faster when it is cold, or warming up.

[moderator snip]






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