4kcsq Failed Emissions
Altieri, Anthony (MBFF cs)
Anthony.Altieri at us.millwardbrown.com
Mon Mar 5 13:44:29 EST 2001
Sorry, forgot to mention that the NO reading passed by a wide margin (400,
pass is 1200)
Thanks.
> -----Original Message-----
> From: Altieri, Anthony (MBFF cs)
> Sent: Monday, March 05, 2001 12:43 PM
> To: 'quattro at audifans.com'
> Subject: 4kcsq Failed Emissions
>
> My '87 4kq recently failed CT emissions. CO was 5.66. (pass is <1.08).
> HC barely passed at 161.1 (pass is <168.0). Can someone please lay out
> possible causes for this type of failure? I know it can't be diagnosed
> like this, but a list of possible culprits would be helpful. As far as I
> know, the O2 sensor and Cat are suspect, but beyond that, I don't know.
>
> TIA,
>
> Anthony.
>
> PS. The car also failed because they said the fuel cap had a bad seal
> (???) Any thoughts on that?
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