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service engine soon light is on

This is a discussion on service engine soon light is on within the General Help forums, part of the LSx Technical Help Section category; My car runs fine but service engine soon light came on a few days ago. Does it come on periodically ...

  1. #1
    Ebaaaaaaaaa Speedy_Gonzales's Avatar
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    service engine soon light is on

    My car runs fine but service engine soon light came on a few days ago. Does it come on periodically ? How can I turn it off ?

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    Member cobrahunter's Avatar
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    Have you made any upgrades to your car. After I initially put on my headers, the light would come on now and then. Also, when your O2 sensors start going out, that could also set off the light.

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    Never Drink and Derive Tonik's Avatar
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    If you have an Autozone in Georgia head there and they'll do an OBDII scan for free. If your not sure what the code thrown is post it up here and someone will probably know.

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    Single Malt rbob93's Avatar
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    Something as simple as the gas cap not on properly can throw an SES

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    Member cobrahunter's Avatar
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    Yeah, tell me about it. This past smog test, I failed the first time! The seal around the gas cap had deteriorated. Went out and bout a new one ($10.00), retested, and passed.

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    Member Tman's Avatar
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    Where in Georgia are you?

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    Veteran 0rion's Avatar
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    get it scanned at an autoparts store or better yet go to an autoparts store and buy a scanner. It's a great investment. If you buy your own try to find one that works with the CAN protocol since that's what a lot of the newer cars are going to.
    They can clear the code at the store or you can if you buy one. Post the code back up and we'll help you get it worked out.

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    Ebaaaaaaaaa Speedy_Gonzales's Avatar
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    Quote Originally Posted by Tman View Post
    Where in Georgia are you?

    Dalton

  9. #9
    Ebaaaaaaaaa Speedy_Gonzales's Avatar
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    Quote Originally Posted by cobrahunter View Post
    Have you made any upgrades to your car. After I initially put on my headers, the light would come on now and then. Also, when your O2 sensors start going out, that could also set off the light.

    no upgrades all stock

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    Member dlmeadows's Avatar
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    Quote Originally Posted by JesusFan View Post
    My car runs fine but service engine soon light came on a few days ago. Does it come on periodically ? How can I turn it off ?
    you are using premium in it right? when i went to new orleans a couple weeks ago i left my T/A at my dads, he drove it and put 87 octane in it and it showed up a random cylinder misfire, but since i've had it back 93 octane and no light

  11. #11
    Ebaaaaaaaaa Speedy_Gonzales's Avatar
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    Quote Originally Posted by dlmeadows View Post
    you are using premium in it right? when i went to new orleans a couple weeks ago i left my T/A at my dads, he drove it and put 87 octane in it and it showed up a random cylinder misfire, but since i've had it back 93 octane and no light


    nothing but 93 goes in

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    Senior Member Too Fast's Avatar
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    Does the 2001 still use an air pump? Those check valves go bad a lot, easy fix.

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    Senior Member SeVeReDiStOrTiOn's Avatar
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    Could be a lot of things like the others said...usually emissions related. Post the code..

  14. #14
    Ebaaaaaaaaa Speedy_Gonzales's Avatar
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    the light went off after I cleaned my k&n air filter.....it was pretty dirty

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    Senior Member greatwhiteZ28's Avatar
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    next time you get it scanned and have codes here are the code book for you

    http://www.regalgs.org/obd2.htm

  16. #16
    Ebaaaaaaaaa Speedy_Gonzales's Avatar
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    Quote Originally Posted by greatwhiteZ28 View Post
    next time you get it scanned and have codes here are the code book for you

    http://www.regalgs.org/obd2.htm


    thanks got it bookmarked

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    Senior Member SeVeReDiStOrTiOn's Avatar
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    Quote Originally Posted by SpeedAddict38 View Post
    the light went off after I cleaned my k&n air filter.....it was pretty dirty
    Probably just a coincidence...i'd still scan for codes. Even with the light off they're stored in the history so you'll still see them..

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