[DML] Re: Bouncy idle speed
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[DML] Re: Bouncy idle speed



Ok, I'm a spaz...  My car idles as well as can be expected.  After
posting I realized that I hadn't started it up cold since I adjusted
the mixture.  Now it only bounces a little, which seems to be normal
for our cars.
Thanks to all the folks who e-mailed me though, it's great to be part
of a helpful community.

Matt Smith

--- In dmcnews@xxxxxxxxxxxxxxx, "dmcchaser" <dmcchaser@xxxx> wrote:
>
> Hello again.
>   Well, i've finally corrected my high idle problem, however, I think
> I've uncovered some other issues.  I've set the idle speed, mixture
> and timing according to the service manual, using an exhaust analyzer,
> rpm meter, and dwell meter across the mixture control solenoid.
>   
>   Here's what happens:  On a cold start the idle bounces heavily,
> about 300 rpm or so up and down.  Once the car warms up to operating
> temp the idle still fluctuates but less drastically, maybe 50 rpm or so.
> It seems like the lambda system and the idle speed control system are
> fighting each other.  Is this a characteristic of our cars?  What can
> be done to correct or lessen this really annoying condition?  
> 
>   It's kind of embarassing to walk out to my car with everyone
> watching, start her up, and Vwoomba, Vwoomba, Vwoomba, Vwoomba goes
> the idle... sigh...
> 
> Matt Smith
>









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