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For those of you who live in cold climates...

This is a discussion on For those of you who live in cold climates... within the Computer & Tuning forums, part of the LSx Technical Help Section category; ...and have removed the A.I.R., do you occasionally set code P0141 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2) ...

  1. #1
    Member Fran D's Avatar
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    Question For those of you who live in cold climates...

    ...and have removed the A.I.R., do you occasionally set code P0141 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2) when it gets below freezing? I'm trying to figure out whether this is really a bad heater circuit or just a symptom of having removed the A.I.R.

    Any insights?

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    Senior Member Wheeler99WS6's Avatar
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    black, 05 Roush
    black, 99 T/A WS.6

    Mine just did that the other day and I still have AIR. I think its due to LT's and cold weather.

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    Chameleon
    1999 Trans Am

    i think this is can happen when you have lts while using the original o2s, since the o2s are farther back with the lts it takes longer for the operating temp to reach normal, if it bugs you enough, i have heard of people eliminating this by using rear o2s made for the corvette because they have a stronger heating element and they are long enough not to need extensions. I think I have the details right because i picked it up from reading a post a while ago. I am not sure what the part number is though. Anyone feel free to chime in if i missed something

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    2004 HEAD/CAM CTS-V 9t8z28's Avatar
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    SILVER
    2004 CTS-V

    Are your cars constantly throwing the codes?

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    Member Fran D's Avatar
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    Quote Originally Posted by 9t8z28 View Post
    Are your cars constantly throwing the codes?
    Yep. Until the heater circuit is repaired (since my cable is fine, it means changing the O2), it will set the code after two consecutive ignition cycles that the diagnostic runs and fails. So, even if I clear it, it comes back in a day. I've just set the code not to illuminate the MIL until I get around to fixing the O2. It has no affect on how the car runs.

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    Senior Member Wheeler99WS6's Avatar
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    black, 05 Roush
    black, 99 T/A WS.6

    Quote Originally Posted by 9t8z28 View Post
    Are your cars constantly throwing the codes?
    mine has only done it once.

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