Just run down the tank till the empty light comes on (about 1 gallon left on mine), add a gallon of denatured alcohol from a hardware store, run it through the test again, and pass (that got mine to pass despite a non functional catalyst). When done use up as much of the alcohol as possible and gas up.
Dave Towle
> From: "tilac1" <tilac1@yahoo.com>
> Subject: Emission failure NOx
>
> My '87 XN6 505 wagon just failed the dyno/cruise portion of the
> emmisions inpection here in MA. Maybe some other owners can give
> suggestions on what to do. The HC and CO are within spec but the
> NOx is 4.13, the limit is 3.00.
>
> Car runs super, cat converter is a year old, O2 sensor is new as
> are plugs, cap and wires. Ignition timing is to spec also.
>
> Besides changing the oil, getting out on the highway, and adding
> some Techron, what else can I do before going back for a retest in
> hopes of passing?
>
> PS I don't want to monkey with the mixture.
>
> Thanks,
>
> Brad in MA
> '87 Liberte 200K miles
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Received on Tue Sep 6 19:36:51 2005
