Question about 2013 Chevrolet Impala
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Posted on Jan 02, 2017
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
bank 1 is the drivers side,and it is the down stream sensor,the one after the cat,converter,If this was helpful,please let us know,thank you.
Posted on Jan 03, 2010
SOURCE: where is the coolant temperature
Hello and welcome. here is a picture of the coolant sensor. the coolant sensor is mounted just below the thermostat housing in the intake manifold.
Posted on Oct 04, 2010
SOURCE: i need a diagram showing
Why would you need a diagram?
You simply need to educate yourself
O2 Sensors have been on vehicles over 25 years,and in the same place
Sensor 1--in exhaust pipe before converter or in converter
Sensor 2 in outlet of converter
An O2 Sensor Code---Does Not mean replace it
Posted on Oct 11, 2010
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Chevrolet Impala comes equipped with two oxygen sensors, one on either side of the catalytic converter. Locating the sensors is as simple as crawling under the vehicle.
The bank 1, sensor 2 oxygen sensor is located downstream of the catalytic converter. To get to the sensor, crawl underneath the vehicle and trace the exhaust pipe until you reach the catalytic converter. Continue to follow the exhaust pipe until you reach the bank 1, sensor 2 oxygen sensor.
You should be able to identify the oxygen sensor as a single wire about 3 to 6 inches long. The oxygen sensor is mounted to the exhaust pipe and should slightly protrude from the pipe.
The oxygen sensor is an important part of the vehicle exhaust system. The sensor tests the amount of air in the exhaust stream. It then sends this information to the engine control computer, which determines how much fuel is necessary to maintain a proper air-to-fuel ratio.
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