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DTC Code

This is a discussion on DTC Code within the Firebird / WS6 forums, part of the Vehicle Specific category; My T/A is showing DTC code of P0430- "Catalyst Sys Efficiency below threshold (bank 2)" Anyone know what this means??...

  1. #1
    Junior Member Tampa T/A's Avatar
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    02 WS6

    DTC Code

    My T/A is showing DTC code of P0430- "Catalyst Sys Efficiency below threshold (bank 2)" Anyone know what this means??

  2. #2
    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
    98' trans am

    rear o2 or your cat is going bad..clogged cat more than likely.

  3. #3
    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
    98' trans am

    bank 2 is the passenger side btw

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    Senior Member 98maro's Avatar
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    00 camaro ss M6 #6695

    I had the same code. It was passenger side cat.
    Most of the ls1. Or all the ones I seen. Is the passenger side cat with problems
    00 ss blk m6 " STOCK" strano springs, slp bilstein shocks, adj LCA, adj panhard bar, relocation brackets, 2 point SFCs welded,OEM zo6 rims black, magnaflow exhaust, CME exhaust,E/cutout, slp grille, custom front plate mount, HIDs, whistler mod, side moldings delete, slp air lid, ported and polished TB, strut tower brace, 3.73s gears, and some other parts to list!
    next to come,4.10s,ls7 clutch, ms3 or 228r cam, ported 243s, ls6 intake, ls6 oil pump. ls2 timing chain, longtube headers no cats, with a tune..
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  5. #5
    Member godless-phoenix's Avatar
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    Blackened fire chicken
    2000 Pontiac Trans Am WS6

    get magnaflow cats! and you might as well replace the O2 sensors too hehe

  6. #6
    Veteran 0rion's Avatar
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    98 Formula
    06 duramax

    how many miles on your car? The cat warranty was extended for the 00-02 cars to 10years 100k miles.

  7. #7
    Senior Member 98maro's Avatar
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    Black
    00 camaro ss M6 #6695

    When I called gm for mine. They said the warranty was 80k miles or 8 years

  8. #8
    Member godless-phoenix's Avatar
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    Blackened fire chicken
    2000 Pontiac Trans Am WS6

    Quote Originally Posted by 98maro View Post
    When I called gm for mine. They said the warranty was 80k miles or 8 years
    stealerships lie!

  9. #9
    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
    98' trans am

    or you could get rid of them all together like i did when mine failed

  10. #10
    Veteran 0rion's Avatar
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    98 Formula
    06 duramax

    Quote Originally Posted by 98maro View Post
    When I called gm for mine. They said the warranty was 80k miles or 8 years
    there are vin breaks on the warranty.....the info can be found in post 13 of this thread

    P0430: 2nd Bank not efficient..could this be prob

  11. #11
    Senior Member 98maro's Avatar
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    Black
    00 camaro ss M6 #6695

    I told them bout the warranty. 10 years or 120k miles I belive?
    And the guy stayed quiet. And he said NO it's only 80k miles
    Then they asked if I bought the car with them
    I told them no.
    They said it was the only way ti find out if it had warranty or no

  12. #12
    Veteran 0rion's Avatar
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    98 Formula
    06 duramax

    Quote Originally Posted by 98maro View Post
    I told them bout the warranty. 10 years or 120k miles I belive?
    And the guy stayed quiet. And he said NO it's only 80k miles
    Then they asked if I bought the car with them
    I told them no.
    They said it was the only way ti find out if it had warranty or no
    they're blowing smoke...does your vin fall in the break points?

  13. #13
    Senior Member 98maro's Avatar
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    Black
    00 camaro ss M6 #6695

    What u mean by the break points?

  14. #14
    Veteran 0rion's Avatar
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    98 Formula
    06 duramax

    look at that link I posted and see if your vin falls within that vin range listed in post 13

  15. #15
    Senior Member 98maro's Avatar
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    Black
    00 camaro ss M6 #6695

    My Vin ends on
    Y2161630

  16. #16
    Veteran 0rion's Avatar
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    98 Formula
    06 duramax

    Quote Originally Posted by 98maro View Post
    My Vin ends on
    Y2161630
    as long as you met the mileage and year at the time that should've been under warranty. I *think* warranty starts at the time the car is sold initially. The person to ask about this is Cutlass since he works at a dealership. Did you pay them to fix it? If so and you saved the receipt you might be able to get reimbursed for the work.

  17. #17
    Junior Member Tampa T/A's Avatar
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    Quote Originally Posted by 0rion View Post
    how many miles on your car? The cat warranty was extended for the 00-02 cars to 10years 100k miles.
    81500 is the mileage. I have plans to lose the cats when i get the headers installed but that wont be for a while due to buying a house. so I am going to take it to the dealer. Sooooo glad I asked this question before I did anything about it. Thanks everone!!

  18. #18
    Moderator Cutlass's Avatar
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    1999 Formula WS6 M6-sold
    2001 Silverado Z71

    Quote Originally Posted by 98maro View Post
    My Vin ends on
    Y2161630
    That VIN comes up as 2000 Blazer. Whats the full VIN #?

  19. #19
    Auto Painter RyanJM's Avatar
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    White
    1998 Trans Am

    You live in FL one of the greatest placest for performmance cars. No state inspections. get some LT headers and a Off road ypipe. I lived it in FL when I came to TX I have to find shady inspectors that takes tips to pass most of my cars. I actually put the factory cats back on my 5.0 for emmisions testing since my friend was outta town and I needed all the paperwork to get the registation. Where you live dump the cats and you won't have anymore headache down the road.
    1998 Trans Am 85k miles.
    Bolt ons, MS3 113LSA cam, Circle D Stall, Tune, Modified WS6 style hood, Full Suspension, 6000k HID's, Clear Side Markers w/ Leds, Led 3rd Brake Light and 18" AR Staggered Killer Wheels w/ BFG KDW NT's.- Weekend Toy/DD
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  20. #20
    Senior Member 98maro's Avatar
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    Black
    00 camaro ss M6 #6695

    The vin is. 2G1FP22G4Y2161630

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