Question about 1999 Chevrolet Tahoe

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Oxygen sensor What is considered, "Bank One" ? And Where is position #2 for the oxygen sensor?

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  • Chevrolet Master
  • 14,379 Answers

It's the oxygen sensor on driver side downstream by catalyst converter.Here it is.

Posted on Jan 15, 2013

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Posted on Jan 02, 2017

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SOURCE: Troublecode P0141

I replaced mine and come to find out my Catalytic converter was bad. If you have under 60,000mi. take it to your dealer Emission products are covered. Bank 1 sensor two is the one nearest the rear of truck under cab. The o2 sensors are the same. After 60 miles the check engine light will go off on its own... Or you can unplug the battery over night and it will turn back on after 60mi. if problem persist. And yes this can cause power loss


....Hope this helps

Posted on Jul 30, 2008

  • 196 Answers

SOURCE: need to know which side of vehicle is bank 2

The sensor bank 2 sensor 2 is on the right side after the catalytic converter

Posted on Jan 08, 2009

  • 17 Answers

SOURCE: I cant find out what is causing these lean codes on bank 1 &2.

vacuum leek,bad computer or you have a linkage out of adjustment on the throttle body

Posted on Feb 23, 2009

dttech
  • 4803 Answers

SOURCE: where is the bank 2 sensor 1 located.

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.

Most GM engines have #1 cylinder located on the left bank, (or Driver's Side) of the engine,

So, the answer to your question would be that you are looking for the sensor located before the catalytic converter on the right (or Passenger Side) of the truck.

Posted on Oct 17, 2009

SOURCE: I have a 2002 Chevy

Not the fuel filter

More like a vacuum leak

Posted on Apr 13, 2011

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1 Answer

How many O2 sensors does a 2005 Chevy Cobalt base model 4 cylinder have


Oxygen sensors are identified by bank and sensor position. Sensor 1 is always pre catalytic converter, sensor two is always post catalytic converter. If an engine is a 4 or 6 cylinder engine the whole engine is considered bank 1, if an engine is a V6, V8, V10....., the engine bank containing cylinder number 1 (first cylinder in the firing order) is considered Bank 1, the other bank is considered Bank 2. Interpretation Oxygen sensor designation B2S1 refers to Bank 2 Sensor 1, it will be the sensor on the engine side of the catalytic converter in bank two. Check this link to determine the cylinder that contains cylinder number 1. http://www.wellsve.com/custom_searches/ds_firing.php Wells Search Parts Catalog

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1 Answer

How many o2 sensors on a 99 Cadillac catera


Four .
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Located in RH front pipe of the exhaust catalytic converter
--
Engine Controls Connector End Views in Engine Controls
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Located in RH rear pipe of the exhaust catalytic converter
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I am getting the following codes on my 2002 Nissan Altima v6 3.5 liter P1430, P1420, P1805, P1152, P1102, P1011, P1021 & P1335 I'm going crazy here. Please help!


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2 Answers

Its not a P0300 it's P0032 and P0038


code p0032refers to heated oxygen sensor(HO2S) 1 bank 1-heater control--circuit high===causes --wiring short to positive--HO2S sensor--ECM
code p0038 refers to heated oxygen sensor(HO2S) 2 bank1 heater control --circuit high===causes --wiring shorted to positive --HO2S---ECM
It is most important that when installing /removing the sensor that the correct tool is used to prevent damage to the wiring for the sensors. Severely twisting the wires during installation/ removal will result in the causes for failure listed.

May 27, 2014 | Chrysler PT Cruiser Cars & Trucks

1 Answer

2002 toyota avalon engine check light on P0078 and P007C


P0050 HO2S Heated Oxygen Sensor -Control Circuit (Bank 2 Sensor 1)

P0051 HO2S Heated Oxygen Sensor -Control Circuit Low (Bank 2 Sensor 1)

P0052 HO2S Heated Oxygen Sensor -Control Circuit High (Bank 2 Sensor 1)

P0053 HO2S Heated Oxygen Sensor -Resistance (Bank 1 Sensor 1)

P0054 HO2S Heated Oxygen Sensor -Resistance (Bank 1 Sensor 2)

P0055 HO2S Heated Oxygen Sensor -Resistance (Bank 1 Sensor 3)

P0056 HO2S Heated Oxygen Sensor -Control Circuit (Bank 2 Sensor 2)

P0057 HO2S Heated Oxygen Sensor -Control Circuit Low (Bank 2 Sensor 2)

P0058 HO2S Heated Oxygen Sensor -Control Circuit High (Bank 2 Sensor 2)

P0059 HO2S Heated Oxygen Sensor -Resistance (Bank 2 Sensor 1)

P0060 HO2S Heated Oxygen Sensor -Resistance (Bank 2 Sensor 2)

P0061 HO2S Heated Oxygen Sensor -Resistance (Bank 2 Sensor 3)

P0062 HO2S Heated Oxygen Sensor -Control Circuit (Bank 2 Sensor 3)

P0063 HO2S Heated Oxygen Sensor -Control Circuit Low (Bank 2 Sensor 3)

P0064 HO2S Heated Oxygen Sensor -Control Circuit High (Bank 2 Sensor 3)

P0065 Air Assisted Injector -Range/Performance

P0066 Air Assisted Injector -Circuit Malfunction or Circuit Low

P0067 Air Assisted Injector -Circuit High

P0068 (MAP) Manifold Absolute Pressure /(MAF) Mass Air Flow - Throttle Position

Correlation

P0069 (MAP) Manifold Absolute Pressure / (BARO)Barometric Pressure Correlation

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P0071 Ambient/Outside Air Temperature Sensor -Range/Performance Problem

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P0074 Ambient/Outside Air Temperature Sensor -Circuit Intermittent

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1 Answer

What is the best way to remove O2 sensor bank 1 sensor 2?


Here is the low-down on oxygen sensors, and their location designations explained:

Oxygen sensors are screwed into the exhaust system at various points. Some people say that there are 4 oxygen sensors, but technically, that is not correct. Only the front 2 are considered oxygen sensors.

These oxygen sensors are screwed into the exhaust pipe or directly into the exhaust manifold, one on each bank. Because they are in front of the catalytic converter, this is often referred to as 'upstream'.

The other 2 are actually called catalyst monitors. They are oxygen sensors, but they serve a different purpose. They monitor the activities of the catalytic converters, thus the name, catalyst monitors. They are screwed into the exhaust one on each bank, after, or downstream, of the catalytic converters.

On a 4 cyl engine, there are only a total of two such sensors, the one in front of the catalytic converter is the O2 sensor, the one behind the cat is the catalyst monitor.

The location names for them are as follows:
  • On a 4 cyl, the front / upstream is called "bank 1 sensor 1" and the rear / downstream sensor is called "bank 1, sensor 2."

  • On a V6 or V8 engine:

    • the passenger side bank on a forward facing engine, or the bank closest to the firewall on a transverse mounted engine, is bank number 1, so the forward / upstream sensor on that bank would be "bank 1, sensor 1."

    • The driver's side bank (forward facing mount engine), or front bank (transverse engine) would be bank number 2, thus the forward / upstream sensor on that bank would be "bank 2, sensor 1," and the rearmost / downstream sensor on that bank would be "bank 2, sensor 2."

Jul 28, 2012 | 2004 Mitsubishi Endeavor

1 Answer

Vic-tron--In your response to "guest


The banks refer to what side of the engine the sensor is on. Bank 1 is always the same side of the engine as the number one cylinder. Bank 2 is always the other side of the engine. Sensor refers to upstream or downstream. Sensor 1 is always before the cat sensor 2 is always after the cat.

in your case bank 2 would be the opposite side of the engine as the number one cylinder.

Jan 10, 2011 | Chevrolet Tahoe Cars & Trucks

1 Answer

My check engine light has come on in my 2006 Pontiac G6 after 2 and a half years. What could possibly be wrong since I keep my car serviced and the guys had just told me that my car was in tip top shape?


P0016 - Crankshaft Position Camshaft Position Correlation Bank 1 Sensor A
P0030 - Heated Oxygen Sensor (H02S) Heater Control Circuit Bank 1 Sensor 1
P0031 - Heated Oxygen Sensor (HO2S) Heater Circuit Low Voltage Bank 1 Sensor 1
P0032 - Heated Oxygen Sensor (HO2S) Heater Circuit High Voltage Bank 1 Sensor 1
P0036 - Heated Oxygen Sensor (HO2S) Heater Control Circuit Bank 1 Sensor 2
P0037 - Heated Oxygen Sensor (HO2S) Heater Circuit Low Voltage Bank 1 Sensor 2
P0038 - Heated Oxygen Sensor (HO2S) Heater Circuit High Voltage Bank 1 Sensor 2
P0050 - Heated Oxygen Sensor (HO2S) Heater Circuit Bank 2 Sensor 1
P0051 - Heated Oxygen Sensor (HO2S) Heater Circuit Low Voltage Bank 2 Sensor 1
P0052 - Heated Oxygen Sensor (HO2S) Heater Circuit High Voltage Bank 2 Sensor 1
P0053 - HO2S Heater Resistance Bank 1 Sensor 1 (PCM)
P0054 - HO2S Heater Resistance Bank 1 Sensor 2 (PCM)
P0056 - Heated Oxygen Sensor (HO2S) Heater Circuit Bank 2 Sensor 2
P0057 - Heated Oxygen Sensor (HO2S) Heater Circuit Low Voltage Bank 2 Sensor 2
P0058 - Heated Oxygen Sensor (HO2S) Heater Circuit High Voltage Bank 2 Sensor 2
P0068 - Throttle Body Airflow Performance (PCM)
P0100 - MAF Sensor Circuit Insufficient Activity

Jun 25, 2009 | 2006 Pontiac G6

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