Question about 1993 Saturn SL2

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Location of Oxygen sensor

Thanks vagman 54 and jeffk14. Now the parts place is saying there are 2 sensor in the engine compartment. one of which is located near the firewall. I just don't don't know if that's true of they don't want to refund my money for the part. Can you help?

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The sensor is in the exhaust pipe just ahead/in front of the catalytic converter. the other sensor is the catalytic converter efficiency monitor, looks like an O2, but has a different function, this is behind the cat in the exhaust

Posted on Dec 10, 2008

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Where is bank 1 sensor 2 located at on 2003 dodge stratus wit a 2.4 engine ?


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Dec 28, 2015 | Dodge Cars & Trucks

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There is a failure in the circuit of the heated oxygen sensor-bank 1 sensor 2. I don't know how to check the fuse since I don't know where it is located.


If you're getting a code for a heated oxygen sensor circuit problem, replace the sensor. I don't think I've ever seen a fuse be the problem. Bank 1 is located at the back of the engine compartment, close to the firewall. Sensor 2 is the sensor after the catalytic converter.

Aug 25, 2011 | 2002 Buick Rendezvous

3 Answers

Where is the O2 sensor located


For 2000 Buick Lesabre 3.8L SFI OHV 6cyl the Oxygen Sensor is located: under hood, center, rear engine area, above exhaust pipe flange, mounted in exhaust manifold.

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Fig. HO2S1 location "2" on 3.8L


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Fig. HO2S2 location "4" on 3.8L




Hope this helps (remember to rate and comment this answer).

Jun 07, 2011 | 2000 Buick LeSabre

2 Answers

Bank 1 sensor 2 location on a 1996 chevy suburban


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


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





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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

2 Answers

Where is the O2 sensor located on the 2003 V6 All Wheel Santa Fe and how dificult is it to replace?


Hyundai Santa Fe 2001-05
Heated Oxygen Sensor (H02S): The sensors are located in the exhaust system. On some vehicles, one sensor is located up at the exhaust manifold(s) and the other sensor is located down at the catalytic converter. On other vehicles, both sensors are located down at the catalytic converter.

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How to Replace an Oxygen Sensor
Parts:
1. Oxygen Sensor
2. Oxygen Sensor

Tools:
1. 3/8 in. Drive Ratchet
2. Multimeter
3. Oxygen Sensor Socket
4. Combination Wrench Set
5. Crimp Tool
6. Socket Set
7. Scan Tool

Steps:
Step 1 * Park the vehicle on a level surface. Set the parking brake and open the hood.
o Tip: Safety Tip:Always wear safety glasses when working on your vehicle. Wear other personal protective equipment (PPE) when necessary, for example latex gloves or safety shoes.
o Tip: Always make sure the struts on the hood can fully support the weight of the hood so that it does not close on you while working. The use of a hood prop can securely hold it in place.

Step 2 * With the engine off and cool, locate the defective oxygen sensor in the exhaust manifold or pipe. If necessary, lift the front of the vehicle and support it with jack stands.
o Tip: Most vehicles have multiple oxygen sensors. How many sensors, depends on the model year and type of engine.

Step 3 * Disconnect the wire connector at the defective oxygen sensor.

Step 4 * Remove the oxygen sensor from the exhaust system.

Step 5 * If you are installing a universal oxygen sensor, cut off the connector from the original sensor and splice the connector wires to the new oxygen sensor. Follow the manufacturer’s instructions supplied with the sensor.

Step 6 * For threaded oxygen sensors, apply anti-seize compound to the threads and install the new sensor.

Step 7 * For flange mounted oxygen sensors, install a new gasket and tighten the mounting bolts.

Step 8 * Reattach the wire connector from the sensor.

Step 9 * If necessary, connect the OBD I/II scanner and erase the fault code.

Hope help with this (remember rated and commented this help) Good luck.

Mar 01, 2010 | 2003 Hyundai Santa Fe

2 Answers

How many oxygen sensors in a 2001 chrysler sebring 3.0


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Fig. Heated Oxygen (HO2S) location (sensor 1)-2.4L engine

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Fig. Heated Oxygen (HO2S) location (sensor 2)-2.4L engine

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Fig. Heated Oxygen (HO2S) location (bank 1, sensor 2) (bank 2, sensor 2)-2.7L engine

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Fig. Heated Oxygen (HO2S) location (bank 2, sensor 1)-2.7L engine

I hope help you with this (rated this help). Good luck.

Sep 09, 2009 | 2001 Chrysler Sebring

2 Answers

I have a 2001 Audi A6 2.8 Quattro that needs new oxygen sensors


YOU HAVE 4 OXYGEN SENSORS AND IF YOU HAVE A 2.7T YOU WILL HAVE TWO EXHAUST TEMP SENSORS ALSO . GET THEM FROM AUTOHAUSAZ.COM

Mar 28, 2009 | 2001 Audi A6

2 Answers

I need location of oxygen sensor on a 2001 town & country


ALL of your oxygen sensors are located i your exhaust system Your exhaust system starts at the exhaust manifold on the side of the engine and ends at the tail pipe by you back bumper. Your vehicle oxygen sensors are 4 of them there are two on each side of your exhaust the are actually screw into the exhaust they are like the nose of you engine to read how rich/lean the car is running. The are pretty simple to replace, they look kinda like spark plugs with wires attached to them the wires are usually colored white black and grey with plug connections on the end. To replace get a oxygen sensor socket and a ratchet and unscrew this socket can be bought at almost any auto parts place like auto-zone etc. Good luck and thanks for using FIX YA

Mar 22, 2009 | 2001 Chrysler Town & Country

2 Answers

Oxygen sensors


Here is the location of the O2 sensor, Under hood, center, lower engine area, rear center of engine, mounted in exhaust manifold

and here is the location of the PVC valve, Under hood, center, upper engine area, mounted in intake manifold

So to your problem there is only one oxygen sensor according to your repair guide. If you need any other info on parts and location you can try Auto Zone .com

Jan 10, 2009 | 2000 Nissan Maxima

2 Answers

Where is the oxygen sensor?


Follow your exhaust manifold down from engine, it will be on side of exhaust, sticking out 2-3 inches, with wires coming from it to a connector.

Dec 10, 2008 | 1994 Dodge Caravan

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