[DML] Tuning Idle Speed Circuit. (was: Re: idle problem)
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[DML] Tuning Idle Speed Circuit. (was: Re: idle problem)



Very much sounds like the warm up regulator to me.
Looks like you'll be replacing everything eventually, just like me.

Rich

--- In dmcnews@xxxxxxxxxxxxxxx, "Rustproof" <Rustproof@xxxx> wrote:
> I would like to thank everyone again for all their help. Here's what
> happened...I re-adjusted the CO to 14.5:1. Cleaned the entire 
throttle
> assembly. Rechecked for vacuum leaks. Replaced all the injector 
seals.
> Checked the lambda system and idle system for proper operation and 
both are
> working within specification. Timing is perfect. Replaced O2 sensor 
just for
> fun. After all this, the idle is very stable once the car warms up.
> Performance has greatly improved. (once warmed to operating 
temperature
> everything runs like a new car) But...when she's cold she sputters, 
idles
> poorly near 600 rpms rumbling like a Harley and shaking like my 
grandmother.
> She stalls if you attempt to depress the accelerator. After about 5 
minutes
> of warm-up, you would think it was a different vehicle. Smooth a 
silk. Could
> this be related to the warm-up regulator? Cold start valve? She 
does start
> just by simply turning the key. No need to give it 1/4 pedal. She 
always
> starts warm or cold. I't just a little annoying having to sit there 
for 5
> minutes before you can move. Any suggestions?
> Rustproof
> vin#1559
> ----- Original Message -----
> From: "David Teitelbaum" <jtrealty@xxxx>
> To: <dmcnews@xxxxxxxxxxxxxxx>
> Sent: Thursday, August 28, 2003 6:37 PM
> Subject: [DML] Tuning Idle Speed Circuit. (was: Re: idle problem)
> 
> 
> > It sounds to me like your Lambda system just died. Troubleshoot to
> > find the reason (very common for the relay to die). Since the 
Lambda
> > wasn't adding fuel you compensated by going overly rich with the
> > mixture screw. You should hear the frequency valve buzz whenever 
the
> > engine is running. You are almost there, get the Lambda running 
again
> > and it sounds to me like you have it just about right! (Of course
> > readjust the mixture screw with the Lambda running).
> > David Teitelbaum
> > vin 10757
> >
> >
> > --- In dmcnews@xxxxxxxxxxxxxxx, "Rustproof" <Rustproof@xxxx> 
wrote:
> > > Having taken all the advice I could get from the list and the
> > archives, I
> > > have attempted to set up both the CO mixture as well as the CIS
> > idle. This
> > > was fiddled with by the previous owner and never properly 
reset. I
> >
> >
> >
> > To address comments privately to the moderating team, please 
address:
> > moderators@xxxx
> >
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> >
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> >
> >






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