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SES light after cleaning tb

This is a discussion on SES light after cleaning tb within the External Engine forums, part of the LSx Technical Help Section category; I just finished cleaning my MAF and TB. After putting everything back together I started the car n everything sounded ...

  1. #1
    Member 1986camarojoe's Avatar
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    99 Z28 04 Corvette

    SES light after cleaning tb

    I just finished cleaning my MAF and TB. After putting everything back together I started the car n everything sounded fine, even idles better but I'm getting a service engine soon light.. wasn't there before. I drove the car and it feels a bit better after getting all that black shit outta the tb. Whats up with the SES light??

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

    Undo your battery cable for about 30 minutes and see what happens...

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    Member 1986camarojoe's Avatar
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    99 Z28 04 Corvette

    Quote Originally Posted by JoshieDoom View Post
    Undo your battery cable for about 30 minutes and see what happens...
    Just did that and it went away.. Whys that happen??

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

    Quote Originally Posted by 1986camarojoe View Post
    Just did that and it went away.. Whys that happen??
    It threw your SES light because you most likely unhooked it with the power being still on to the sensors. The computer will relearn and adjust for any small changes you have made. Doing that also clears the SES light until it runs its checks again, if it passes no more SES

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