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servise engine soon

This is a discussion on servise engine soon within the General Help forums, part of the LSx Technical Help Section category; ok i do have a problem with this. when i read the problems it is sayin 02 sensor low voltage... ...

  1. #1
    Junior Member
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    May 2009
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    germany
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    white
    1998 trans am

    servise engine soon

    ok i do have a problem with this. when i read the problems it is sayin 02 sensor low voltage... well i changed all 02 sensors and spark plugs and wires. and i still getting this.
    it is only comes up when i increase speed very quick and after that it is stays . if i keep push the car over 160kmh it is start blinking. after a while when i drive below 50 kmh like 6-7 km sign goes away. do anyone has any idea why that is happening and how to fix it. only think that i am assuming could be problem is catalytic converter but i am not sure. please let me know why is that and what do i have to do to fix that.
    thank you

  2. #2
    🤔 11s. blackbirdbrain89's Avatar
    Join Date
    Sep 2007
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    hagerstown, mercersburg
    Age
    28
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    1,844

    black trans am
    2000

    low would mean lean there for not cats... if its the sensor 2 then tune it out... i had the same issue when i put long tubs headers on my car the paint cloged my o2s... all i did was run the piss outta of it and no more isues

  3. #3
    Unbiased Opinion 67rsss's Avatar
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    Mar 2007
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    MN
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    Red
    1967

    You have headers? happens a lot with headers.

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