96 Seville where's the 02 Oxygen Sensor Location?? PLEASE HELP WONT PASS EMISSIONS!!!
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Northstar Engines and System Technical Discussion Discussion, 96 Seville where's the 02 Oxygen Sensor Location?? PLEASE HELP WONT PASS EMISSIONS!!! in Cadillac Engine Technical Discussion; Hello, Today I went to get my car's emissions test and it failed. My car is a 1996 Seville STS. ...
  1. #1
    Flawlessrecs is offline Cadillac Owners Member
    Automobile(s): 1996 Seville STS
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    Exclamation 96 Seville where's the 02 Oxygen Sensor Location?? PLEASE HELP WONT PASS EMISSIONS!!!

    Hello, Today I went to get my car's emissions test and it failed. My car is a 1996 Seville STS. They told me it failed because of a bad O2 Sensor. The diagnostic trouble code is P0133: O2 Sensor Circuit slow response bank 1 sensor 1. I plan on replacing this myself but have no idea which O2 sensor this bank 1 sensor 1 is located. Can someone please help me out, If the car doesn't pass emissions then it cant get registered. Thank you for your time

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    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: 96 Seville where's the 02 Oxygen Sensor Location?? PLEASE HELP WONT PASS EMISSION

    Bank One is the right bank (firewall side). Sensor One is the first one in line. It is on the exhaust manifold (and the hardest one to get at). Sensor 2 would be the Pre Cat senso and sensor 3 is the Aft Cat sensor.

  4. #3
    Submariner409's Avatar
    Submariner409 is offline If it won't run, stick on fender vents
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    Re: 96 Seville where's the 02 Oxygen Sensor Location?? PLEASE HELP WONT PASS EMISSION

    This is close to yours........

  5. #4
    jonrodman is offline Cadillac Owners Fanatic
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    Re: 96 Seville where's the 02 Oxygen Sensor Location?? PLEASE HELP WONT PASS EMISSION

    That one is located in the exhaust manifold. It is on the top of the manifold. To get to it, I would remove the ignition coils and the blower motor. It is actually directly below the blower motor. They can be removed with a deep well socket or O2 tool. I find it easier to install them with a crows foot tool.

  6. #5
    Submariner409's Avatar
    Submariner409 is offline If it won't run, stick on fender vents
    Automobile(s): 2002.5 F55 STS/65500mi, 2004 Ford F150 SuperCab4x4
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    Re: 96 Seville where's the 02 Oxygen Sensor Location?? PLEASE HELP WONT PASS EMISSION

    He fixed it - this thread is 9 months old.

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