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SES light on after normal idle for about 30 min.

This is a discussion on SES light on after normal idle for about 30 min. within the General Help forums, part of the LSx Technical Help Section category; I went to the car wash last night, along with everyone else since today was to be a nice day. ...

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    Junior Member MSTZ TA's Avatar
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    Question SES light on after normal idle for about 30 min.

    I went to the car wash last night, along with everyone else since today was to be a nice day. Needless to say, there was a long wait so I sat in neutral, car idling for about 30 min. After we pushed the lady out of the auto wash because her car wouldn't start (nice!), I go back to my car and my SES light is on.

    Any idea why this would happen? It's still on this morning. Car is not running any differently. I guess I might need to run by Autozone for a check?

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    Impounded
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    79 T/A -91 Firebird
    1998 Trans Am -Oynx Black

    Quote Originally Posted by MSTZ TA View Post
    I went to the car wash last night, along with everyone else since today was to be a nice day. Needless to say, there was a long wait so I sat in neutral, car idling for about 30 min. After we pushed the lady out of the auto wash because her car wouldn't start (nice!), I go back to my car and my SES light is on.

    Any idea why this would happen? It's still on this morning. Car is not running any differently. I guess I might need to run by Autozone for a check?
    Autozone!!

    and post up the codes here

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    Veteran 0rion's Avatar
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    yep, could be any number of things. A code will get you started.

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    Slow'er'Ass Mr. Luos's Avatar
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    Probably an O2 code....those stupid heater circuits can act funky sometimes.


    Have a cam?
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    Senior Member ss~zoso~ss's Avatar
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    those god dam o2 codes, even sims fail sometimes too!

    i aint gotta worry about them ne more! thanks frost!

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    Junior Member MSTZ TA's Avatar
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    Got code from AutoZone

    P1416 - did a search and it seems like an easy fix. Guess I'll head back to autozone for the part. Funny thing though, they won't clear the code for me... so will the SES light go out once the valve is replaced or do I need to go somewhere else?
    Last edited by MSTZ TA; 01-26-2009 at 05:18 PM.

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    Junior Member MSTZ TA's Avatar
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    Also,was it just a coincidence that the light came on because I was idling so long, or would it have probably happened anyway?

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    Veteran 0rion's Avatar
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    that's a stuck air valve.....$20 and easy. They won't clear codes sometimes do to liability. Just have them hook up and read the code then turn their head while you push the clear code button. It would've thrown that code eventually anyhow.

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    Quote Originally Posted by 0rion View Post
    that's a stuck air valve.....$20 and easy. They won't clear codes sometimes do to liability. Just have them hook up and read the code then turn their head while you push the clear code button. It would've thrown that code eventually anyhow.
    Taking off the battery cable for a while works wonders.. to clear a code

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    Junior Member MSTZ TA's Avatar
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    Awesome! Thanks, guys!

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    GROUND KONTROL C.O. dneemorelos's Avatar
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    Quote Originally Posted by MSTZ TA View Post
    Awesome! Thanks, guys!
    5-10 min's with a disconnected battery should clear a good number of things, I'm not sure if it will clear ALL codes tho. It's worth a shot. Don't know if I'm wrong but I think disconnecting the battery just resets the sensors and what not, doesn't really erase codes.

  12. #12
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    The SES for P1416 will turn off by itself after 3 consecutive air test cycles without a failure, but will stay in "history" for 40 cycles.

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