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Catalyst Monitor Not Ready? Secondary Air ?

This is a discussion on Catalyst Monitor Not Ready? Secondary Air ? within the Computer & Tuning forums, part of the LSx Technical Help Section category; I recently failed inspection because of the following: Catalyst Monitor Not Ready and Secondary Air Not Ready. Anyone have any ...

  1. #1
    Face Man Patsy57's Avatar
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    Catalyst Monitor Not Ready? Secondary Air ?

    I recently failed inspection because of the following:
    Catalyst Monitor Not Ready and Secondary Air Not Ready.
    Anyone have any ideas on this? The shop told me it could be because of the vehicle battery dying and not being driven it reset the computer and is not reading yet, so they told me to drive it 100 miles and come back.

    My current setup is Dynatech Long tube headers going to Dynatech Powercats which then flow to a borla cat back exhaust. Does anyone know what these two error codes could be from and also how to fix them? The check engine light is not on, and does work.

    Thanks

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    TunedbyFrost.com Tuner Frost's Avatar
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    set your DTC to "no error" but leave the SES enabled for them in the tune. Follow the GM drive-cycle to help get the readiness tests completed.

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    Quote Originally Posted by Frost View Post
    set your DTC to "no error" but leave the SES enabled for them in the tune. Follow the GM drive-cycle to help get the readiness tests completed.
    Just curious as to how I do that?

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    TunedbyFrost.com Tuner Frost's Avatar
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    how to what? Change the items in your PCM file or do the drive cycle? Google for gm readiness test, the PCM DTC stuff in most all of the tuning suites is under diagnostic.

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    Face Man Patsy57's Avatar
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    Quote Originally Posted by Frost View Post
    how to what? Change the items in your PCM file or do the drive cycle? Google for gm readiness test, the PCM DTC stuff in most all of the tuning suites is under diagnostic.
    ok what PCM Programmer do you recommend then?

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    That guy thearborbarber's Avatar
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    trophy husband :) blue02Z's Avatar
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    be ready- a drive cycle could take awhile to complete. find a road with little traffic in case you have to slow way down of make stops. a drive cycle is where all of the monitors can and did run

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    Quote Originally Posted by blue02Z View Post
    be ready- a drive cycle could take awhile to complete. find a road with little traffic in case you have to slow way down of make stops. a drive cycle is where all of the monitors can and did run
    So how do I know exactly how fast and what not I need to go?

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    Quote Originally Posted by 2001NBMZ28 View Post
    Thanks!

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    Senior Member OnEbAdReDSS's Avatar
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    that looks so hard... ugh...

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    Senior Member OnEbAdReDSS's Avatar
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    so i have to do this 5 times...

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    Never tried it but have seen posts where people got the readiness tests to complete with one try, and not following it to the letter. Problem is if you don't have access to a scanner you won't know until the emissions test.

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