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SeaFoam = SES light ?

This is a discussion on SeaFoam = SES light ? within the Computer & Tuning forums, part of the LSx Technical Help Section category; My car was just dynotuned using HPTuner recently, and today I SeaFoamed it and got a SES (misfire or whatever). ...

  1. #1
    TunedByFrost supporter rel3rd's Avatar
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    Cranberry Red
    1971 Chevelle SS 402

    SeaFoam = SES light ?

    My car was just dynotuned using HPTuner recently, and today I SeaFoamed it and got a SES (misfire or whatever).

    If I use regular scan tool to erase codes, I won't hurt/change tune, will I?
    2002 Silverado Z71 ECSB HPTuners tuned by yours truly
    2000 Pontiac Trans Am WS6 6.0, 4L80E, Rear mount Turbo, etc...
    webpage: http://www.fquick.com/rel3rd/

  2. #2
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    Just reading real time data or scanning/deleting current codes won't affect the tune.

  3. #3
    TunedByFrost supporter rel3rd's Avatar
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    Cranberry Red
    1971 Chevelle SS 402

    Great news. Thanks.

  4. #4
    ...going to the darkside gspfunk's Avatar
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    Just an idea...may or may not work: Try letting the car warm up and then run it hard (read WOT) a few times. Seafoam can jack w/ O2's b/c the carbon buildup released can clog/collect on the O2's and cause inaccurate readings. Some times running WOT will burn off residue. ...worked w/ my Mustang and Caprice, anyway....

  5. #5
    TunedByFrost supporter rel3rd's Avatar
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    Cranberry Red
    1971 Chevelle SS 402

    Oh it's been WOT several times since then...lol.

    I cleared the code, car runs great...no more SES light.

    I even SeaFoamed my 97 Chevy truck. It was a much more smokey-er show since it has 157,000 miles, lol....

    Thanks.

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