[DML] Re: IDLE up and down

["David Teitelbaum" <jtrealty@xxxxxxxxxxxxx>]

--- In dmcnews@xxxxxxxxxxxxxxx, John Podlewski <john_podlewski@...> 
wrote:
>
Any worn or bad parts will affect the quality of the idle. Some more 
so when cold and others when warmed up. If your car has not had a 
tune-up in a long time it may be due. Among the things to look at 
are the spark plugs, ignition wires, fuel injectors, vacuum leaks, 
air filter, etc. You could try a bottle of injector cleaner if you 
know all of the other things are good. On a cold start-up and during 
warm-up it is normal for the idle to be a little unsteady. If it is 
worse than it usually has been that is a sign of something going 
wrong. Another indicator is gas mileage. If it is usually say 25 MPG 
and it is noe 22 that would be another indicator of something wrong. 
If it is occuring ONLY during warm-up you *could* have a bad Control 
Pressure Regulator aka warm-up regulator. They do burn out inside. 
First make sure the wiring plug is connected. Pull it off and 
reattach it.
David Teitelbaum
vin 10757



> For some time now my idle at start up is not steady. Till it warms 
up about 3 min. or so 
>   never really had the time to mess with it but now it is starting 
to brother me.  
>   If I unplug the Idle speed regulator the problem subsides 
although a little rougher than usual.  As of now my Tach is not 
installed so I can't pinpoint what the R.P.M s is  but from what I 
remember it would be steady from about 800 than dip to 500 for a 
second or two than back to 800 and repeat til it gets warm, I guess, 
you get the idea.  Also no known Vacuum Leaks which of coarse is the 
first thing I looked at.  
>    
>   Any suggestions on where to troubleshoot? I sure I'm not the 
first to have this happen.
> 
>        
> ---------------------------------
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> [Non-text portions of this message have been removed]
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