Re: [DML] Tuning, tuning and more tuning.

["Dave Sontos" <dsontos@xxxx>]

You may want to try adjusting your CO now. Try to maximise the dwell angel
and see if the dwell then begins to pulse. My car has a very narrow range of
adjustment on the CO for the dwell before it will pulse.

----- Original Message ----- 
From: "cruznmd" <racuti1@xxxx>
To: <dmcnews@xxxxxxxxxxxxxxx>
Sent: Monday, October 06, 2003 12:03 PM
Subject: [DML] Tuning, tuning and more tuning.


> Since I had plugged the idle tube vacuum leak and couldn't find any
> other vacuum leaks, I have wanted to plug my O2 sensor back in, and
> let the Lambda computer try to regulate the frequency valve again.
>
> I have a new O2 sensor. I can't find any vac leaks (which doesn't
> mean there aren't any).
>
> I hooked up the dwell meter and watched. Since it is so much cooler
> here in Maryland now, the warm up took longer. Finally the O2 sensor
> began sending voltage.
>
> The dwell meter exhibited a much more consistent behavior this time
> but I'm not sure it's right yet. I also read that if it wasn't
> behaving right, to run a new ground from the block to the ECU
> bracket. I did this but it didn't help.
>
> The idle was a tad rougher, only noticable by ear. The tach never
> wavered.
>
> The manual says the dwell meter should fluctuate between 35-45
> degrees. Mine goes to 30, climbs to 45 and just -drops- back to 30.
> The range is close, but isn't it supposed to be a steady rocking back
> and forth vs. a climb/drop sort of motion?
>
> Thanks,
>
> Rich
> #5335
>
>
>
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