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Thread: 2010 ve v8 cats

  1. #1
    ls3 power is offline Rarely Contributes to the Forum Last Online: 12-05-2021 @ 03:50 PM
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    2010 ve v8 cats

    Had an engine light. Took it to a mechanic.
    They said it was coming up a error. Back cats ( i am trying to remember the exact words)
    Cats were coming up an error , they were not heating up, as in they are blocked.
    Quote, not issues yet. He is looking into it.
    So it means i need a left and right new cat.
    Stock car.
    What should i expect the cost to be around.
    An ideas
    Last edited by ls3 power; 30-09-2020 at 08:53 AM.

  2. #2
    whitels1ss's Avatar
    whitels1ss is offline Powertrain Control Last Online: 29-03-2024 @ 07:09 PM
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    Re: 2010 ve v8 cats

    Might be O2 sensor fault?

    I would have thought that blocked cats would get very hot instead of not heating up?

    More details might help.... error codes?

    Hopefully it is just an O2 sensor error code & you might be able to get away with just replacing a pair of sensors.


    I think he might have been talking about back O2 sensors rather than back cats

    as they only have one cat on each side & sensors in front of and behind each cat.


    (You using the word "back" in your post is another reason I think that)
    Last edited by whitels1ss; 30-09-2020 at 09:19 AM.

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    ls3 power is offline Rarely Contributes to the Forum Last Online: 12-05-2021 @ 03:50 PM
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    Re: 2010 ve v8 cats

    Quote Originally Posted by whitels1ss View Post
    Might be O2 sensor fault?

    I would have thought that blocked


    I think he might have been talking about back O2 sensors rather than back cats

    as they only have one cat on each side & sensors in front of and behind each cat.


    (You using the word "back" in your post is another reason I think that)
    He said that he was looking into it. Proberly ringing up an exaust person. I dont have the codes, he wrote them down but i didnt take them.
    All 4 o2 sesners were replace last week .

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    whitels1ss's Avatar
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    Re: 2010 ve v8 cats

    Quote Originally Posted by ls3 power View Post
    He said that he was looking into it. Proberly ringing up an exaust person.
    I dont have the codes, he wrote them down but i didnt take them.


    All 4 o2 sesners were replace last week .
    What caused you to have them all replaced last week & was it the same mechanic?



    Let us know how you go.
    Last edited by whitels1ss; 30-09-2020 at 10:40 AM.

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    ls3 power is offline Rarely Contributes to the Forum Last Online: 12-05-2021 @ 03:50 PM
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    Re: 2010 ve v8 cats

    yes.
    Maybe they were ok and he just thought they (sensors) were the fault.
    Maybe they all went at the same time. i dont know.
    He car is driven hard.
    1750 max price to replace back cats. Said might be a little cheaper ( i would say if it is easy).

    either was if the back cats are gone. is this an ok price?

  6. #6
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    BLACK 346 is offline One of the Top Contributors to the Forum Last Online: 28-03-2024 @ 09:53 PM
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    Re: 2010 ve v8 cats

    Quote Originally Posted by ls3 power View Post
    yes.
    Maybe they were ok and he just thought they (sensors) were the fault.
    Maybe they all went at the same time. i dont know.
    He car is driven hard.
    1750 max price to replace back cats. Said might be a little cheaper ( i would say if it is easy).

    either was if the back cats are gone. is this an ok price?
    Not an ok price at all. And like Ed said above their are no front and back catalytic converters (aka cats), just one each side. All four O2 sensors gone at once rings alarm bells as well. I would go somewhere else for a second opinion. You can get aftermarket hi-flow cats installed cheaper than the above quote, unless you are hellbent on staying stock?

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    whitels1ss's Avatar
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    Re: 2010 ve v8 cats

    Quote Originally Posted by BLACK 346 View Post
    Not an ok price at all. And like Ed said above their are no front and back catalytic converters (aka cats), just one each side. All four O2 sensors gone at once rings alarm bells as well. I would go somewhere else for a second opinion. You can get aftermarket hi-flow cats installed cheaper than the above quote, unless you are hellbent on staying stock?
    As Rod said, not okay!


    I would be running away & looking for another mechanic.

  8. #8
    ls3 power is offline Rarely Contributes to the Forum Last Online: 12-05-2021 @ 03:50 PM
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    Re: 2010 ve v8 cats

    will do thanks.
    Sensors where not all replaced at same time. I typed that because i was lazy.
    Engine light came on.
    They said o2 sensors on lefts side. Replaced.
    Engine light came on about 3 days later.
    Then those replaces.
    I could tell something was amiss as down low in the revs if floored took a bit to get going. Nothing bad just i could tell. Also car was running a light rich, as in smell.
    I bought a plug in , cleared it around 2 days later the light came on again.
    ATM it seam again a little slow off line, cleared fault seams better. ( i dont know if i am looking for something at is there or not there, as in off the line).
    When fault comes up again i will post the codes.
    I am not to sure how many starts i got until light comes on, but it has only ever came on when started. Never during drive.


    edit
    If they need replaced, i am not fussed if not stock.
    Last edited by ls3 power; 05-10-2020 at 03:26 PM.

  9. #9
    whitels1ss's Avatar
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    Re: 2010 ve v8 cats

    Hope it is just a matter of replacing another sensor or the rest of the ones not previously replaced mate.

  10. #10
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    Re: 2010 ve v8 cats

    Yep, as others have said, I'd be running away fast and definitely be getting another opinion. Genuine cats are ridiculously expensive but aftermarket performance cats like most of us use are typically much cheaper. If you're anywhere near Ingleburn I'd 100% recommend going to see Greg at Sureflo Exhausts. That's where many of us bought our hi flow cats from at around $500 pr for 3" pipe.

    FYI cats are rated as cells per square inch (cpsi). Your genuine ones are 400cpsi, whereas the ones I bought from Greg were 100cpsi i.e. much bigger holes so more flow. Most likely he can sell you anything from 400, 200 or 100cpsi for your stock system with not much difference in cost. Mine on my SSV ute were fitted in 2009 and as far as I know are still going strong (still keep in contact with the guy who bought it). 100cpsi cats and probably anything under 400cpsi are technically illegal but I don't know of one person who's ever had a problem even when they were done for loud exhausts.

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