Brad -
I've never had a problem with the XN6, yet, but on other cars I've found
retarding the timing ~4* has helped. Do you have the oil bath air filter?
Has it been cleaned?
- Charlie (1987 XN6 Liberte)
On 09/05/05 7:22 AM, "tilac1" <tilac1@yahoo.com> wrote:
> 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
Recommended format for your email subject lines:
Model # [Model Letters] Year Subject
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505 88 V6 Mileage
405 Mi16 89 Ignition Coil source?
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Received on Mon Sep 5 10:13:47 2005
