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Location of o2 sensor on 97 chevy 3.1 lumina

Upstream o2 sensor on 3.1 chevy lumina

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Posted on Jan 02, 2017

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SOURCE: Where is the camshaft position sensor located-99 Chevy Lumina 3.1

It's held down by one bolt right above the timing chain cover. It's next to the head that's facing toward the front of the car.

Posted on Feb 06, 2009

  • 2 Answers

SOURCE: 2002 chevy impala o2 location?

it is locared on the driver side on top of the transmision

Posted on Feb 27, 2009

  • 2984 Answers

SOURCE: firing order and camshaft sensor for a 96 chevy lumina 3.1 v6

Here is a diagram of your motor with the firing order:


Posted on Mar 19, 2009

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SOURCE: 93 chevy lumina crank sensor location

front of engine just about 11:00 over crank pullry

Posted on Jun 12, 2009

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SOURCE: need location of O2 sensor on 97 blazer 4.3 bank 1 sensor 3

Hi the oxygen sensor is located in the exhaust it will either be just before or just after the catalytic converter it will be bolted into the exhaust and will have two wires coming off it that connect into the wiring loom near the engine.

Posted on Mar 26, 2010

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1 Answer

How to change upstream o2 sensor on 2008 chevy uplander 3.9l ?

  • 1 Warm up the engine for about four minutes to bring it to operating temperature. Then turn off the engine. This will avoid damage to the exhaust pipe threads if that sensor has seized to the pipe.
  • 2 Find the oxygen sensor or sensors you need to replace. The upstream sensor is located near the exhaust manifold and the downstream sensor on the back exhaust pipe, close to the catalytic converter.
  • 3 Disconnect the oxygen sensor electrical connector. Depending on your particular Chevy model, both sensors may be disconnected from the engine compartment.
  • 4 Lift the front of your Chevy model to reach the sensor you need to change, if necessary. Use a floor jack and two jack stands to support it.
  • 5 Remove the oxygen sensor using a box-end wrench or a ratchet and oxygen-sensor socket.

  • Read more :

    Jul 23, 2014 | Chevrolet Chevy Cars & Trucks

    1 Answer

    Where is the up stream o2 sensor in the chevy venture?

    One of the easiest ways to locate the upstream sensor is to follow the exhaust line from the engine towards the catalytic converter. In most vehicles, the upstream sensor is close to the exhaust manifold compared to the catalytic converter.

    Apr 16, 2013 | 2007 GMC Yukon Denali

    1 Answer

    Trying to find where the oxygen sensor is on a 1993 chevy lumina 3.1

    Yes the o2 sensors are located on the exhaust manifold and down the exhaust its self.. 1993 there might be only 1 o2 sensor but could be 2.

    Feb 04, 2012 | 1993 Chevrolet Lumina

    2 Answers


    The O2 sensors are located in the exhaust pipe just off the engine exhaust manifolds and before the Catalytic Converter. A V6 has 2 of them, one for each bank of cylinders, they are referred to as the "Bank 1 and Bank 2 Upstream sensors". There is also a sensor that looks like a O2 sensor it is located behind the Catalytic Converter, its job is to monitor the efficiency of the Catalytic Converter and signal you with a check engine light and a code P0420 if the Cat is not doing its job. Each sensor has its own set of fault codes if problems are sensed in the O2 levels in the exhaust (fuel control problems) and other problems like the heater circuit in the sensor is defective.

    Oct 01, 2011 | 1992 Chevrolet Lumina

    1 Answer

    I have a 97 Grand Prix Pontaic, I have code PO131 Bank 1...

    Upstream Oxygen sensor low voltage output bank1. Usually a bad o2 sensor. Bank 1 is cylinders 1-3-5 and upstream sensor usually on exhaust manifold. Replacement is recommended to clear the fault....Mike

    Jun 20, 2011 | 1997 Pontiac Grand Prix

    1 Answer

    Where are the o2 sensors located on exaust

    If you look in between the motor and the firewall you will see the upstream o2 sensor. If you crawl under the car and look behind the cat you will see the downstream O2 sensor.

    Jan 17, 2011 | 2001 Chevrolet Lumina

    2 Answers

    Bank 1 sensor 2 location on a 1996 chevy suburban


    Fig. Fig. 3: Oxygen sensor-4.3L engines


    Fig. Fig. 4: Oxygen sensor-5.0L and 5.7L engines


    Fig. Fig. 5: Oxygen sensor-7.4L engines

    Oxygen sensors are always numbered like this:
    Bank 1 sensor 1
    Bank 2 sensor 1
    Bank 1 sensor 2
    Bank 2 sensor 2

    Some manufacturers use a kind of shorthand that reads different, but means the same thing:
    Sensor 1/1 or O2s 1/1
    Sensor 2/1 or O2s 2/1
    Sensor 1/2 or O2s 1/2
    Sensor 2/2 or O2s 2/2

    Bank 1 is always the side of the engine where cylinder number 1 is located and, of coarse, Bank 2 is the opposite side.
    On a 4 cylinder engine, there is only 1 bank and it is always referred to as Bank 1.

    Sensor 1 is always the upstream sensor (the one located BEFORE the catalytic converter)
    Sensor 2 is always the downstream sensor (the one that is located AFTER the catalytic converter.

    Hope helps (remember to rate this).

    Dec 12, 2010 | Chevrolet Suburban Cars & Trucks

    3 Answers

    97 Chevy Lumina Completly Stops while driving

    When it stops, does it have spark? (crank sensor)

    Apr 10, 2009 | 1997 Chevrolet Lumina

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