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o2 simulator?

This is a discussion on o2 simulator? within the Computer & Tuning forums, part of the LSx Technical Help Section category; After removing the cats from my 99 ta i get alot of unburned substance out of the tail pipes most ...

  1. #1
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    blue
    1999 trans am

    o2 simulator?

    After removing the cats from my 99 ta i get alot of unburned substance out of the tail pipes most noticeable on humid days or when she is wide open. It looks like water vaper. I have no reason to believe me head gaskets are going. My check engine light is on with the bank 1 sensor 2 o2 censor which is the post cat o2 censor on the driver side. Also egr and air induction codes come up as well. Is a o2 simulator such as the one shown in this link http://fasttoys.net/shop/product_inf...roducts_id=375 going to fix my problem of the unburned substance ? Thanks everyone.

  2. #2
    LS1 or bust b.lee's Avatar
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    Blue
    00 Z28 6Spd / 03 Z71 LT

    I had o2 sims on my first 98 z28, Still threw the o2 codes daily. Sometimes the ses wouldn't come on, other times it would. About 70 % ses off / 30 % ses on (I wouldn't buy them again)

    Does the car still have stock exhaust w/ cats?
    00 Z28 M6 T-tops
    00 SS A4 T-tops (Sold)
    99 Corvette M6 (Sold)
    98 Z28 A4 Coupe (Sold)
    98 Z28 A4 T-tops (Sold)

  3. #3
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    blue
    1999 trans am

    Yea it has mainly stock exhause i have a flowmaster 80 series on it with the passanger cat eliminated and the driver cat gutted. And also the pinched down 2 foot piece of exhaust under the driver side seat removed and replaced as well.

  4. #4
    The Bandit Wesman's Avatar
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    SGM
    1998 Trans Am WS6

    The O2 simms don't work, the PCM outsmarts them with the tests it does. Which is why they will work for a while, and then set a code.

    Only way to get rid if the code permanently is to have it tuned out with tuning software, such as HP Tuners.

  5. #5
    Impounded
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    79 T/A -91 Firebird
    1998 Trans Am -Oynx Black

    Frost = 125 bucks.

    I think that sums this thread up.

  6. #6
    LS1 or bust b.lee's Avatar
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    00 Z28 6Spd / 03 Z71 LT

    Or find a friend with EFI Live.
    I have a very generous friend with EFI Live who helps me out.
    I meet him on his way home from work, throw him $20, and drive away happy.

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