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 > > > > For more info on the list, tech articles, cars for sale see > www.dmcnews.com > > > > To search the archives or view files, log in at > http://groups.yahoo.com/group/dmcnews > > > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > > >