4KQ Smog Problems-Update, still stumped

[JShadzi at aol.com]

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Yes, it does do its work at idle, but the end result is 6D BTDC, which is
where I have it set.  The smog test is done at idle and at 2500RPM, the
numbers are about 4 times worse at idle than at 2500.  I don't thing a few
degrees of timing either way would cause a car to be 4 times past Gross
Polluter.  My brother's 4kq with the 2.3 just passed fine..with a disabled
vacuum advance canister.

Javad

> Ign timing is set at idle... and I *think* that vac. adv. thing does its
> work *at idle* if you follow where the "vacuum" comes from.  So your
> timing is really not where it should be.
>
> new can is about $30 I think, grab a used dist with a good one and try
> that.
>
> PS, is this smog measurement done at idle or some other RPM?
>