[s-cars] Failed Emissions - NOX Too High - Help please

[Trevor rice]

Where can you get a stromung from & how much?


From: "Tom Mullane" <tmullane at snet.net>
To: <bob.rossato at att.net>, <mark.pollan at mci.com>
CC: s-car-list at audifans.com
Subject: Re: [s-cars] Failed Emissions - NOX Too High - Help please
Date: Mon, 12 Apr 2004 12:35:17 -0400

Agreed.
Generally, high NO is either a bad EGR valve or a bad kitty.  Time for a 
Stromung?
Your ISV should not have an effect on NO.

Tom

Date: Mon, 12 Apr 2004 16:11:54 +0000
From: bob.rossato at att.net
Subject: Re: [s-cars] Failed Emissions - NOX Too High - Help please
To: "Mark E. Pollan" <mark.pollan at mci.com>
Cc: , S-Cars <s-car-list at audifans.com>
Message-ID:
<041220041611.12921.407ABFCA000A5410000032792160281302FF908B9E8C8C908DD19D90 at att.net>


Could be a bad kitty.



 > Crap!!  Arrived at the Maryland emissions station overly confident - left
 > with my tail between my legs with high NOX reading.
 >
 > Pulled codes over the weekend and none came up with none on the VAG.
 > Checked the fluctuation of O2 lambda value and all seemed well - meaning
 > fluctuated quickly in the Bentley defined range.  O2 sensor only has 20K
 > miles on it and is OE Bosch with OE connector.  Only issue I know of is 
my
 > ISV.  Soaked in brake cleaner overnight and then Carb cleaner for a few
 > hours.  My idle still drops so I do now know I need a new one.
 >
 > April of '02 emissions show all gas readings WAY below state levels.  Car
 > has MTM 1+ from Anderson installed a few weeks after the April '02 test.
 >
 > Any ideas on things to check greatly appreciated.  Would a bum ISV
 > potentially be the issue?
 >
 > Regards,
 >
 > Mark
 >
 > 95.5 S6


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