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Hi i need to replace my o2 sensor heater bank 1 sensor 1 is it the one that is coming out of exhaust manifold?

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  • Cars & Trucks Master
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Hi yes it is, just unplug cable and unscrew sensor its that simple, if it was bank 02, sensor 2 that would be the one after the catalytic converter...hope this clears it up for you...

Posted on Jul 04, 2010

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Posted on Jan 02, 2017

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2008 kia spectra 4 cylinder heater circuit sensor 1 bank 1 location


It is the first O2 sensor you come to on the exhaust system. Usually in the exhaust manifold or catalytic converter. Heater circuits are 99% of the time the O2 sensor...1% is wiring on the harness side..

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Where is the HO2S Heater Control Circuit (Bank 1, Sensor 1) on a 06 trailblazer


Replace the 02 sensor with any brand but Bosch. It's located on the passengers side exhaust manifold, easy access.

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What is a bank sensor for a honda civic ls 04


O2 sensor bank 1 sensor 1 should actually be read as: O2 sensor, bank 1, sensor 1. Meaning the first oxygen sensor (O2 sensor #1) on cylinder bank #1 (it's a Honda inline 4 -cylinder engine, so it only has one bank of cylinders; a V6 or V8 engine would have tow banks arranged in a V shape) needs to be replaced. The oxygen sensor will be threaded into the exhaust near where the manifold (or possibly threaded in at the manifold itself) with some wires coming out of it. In the photo, the O2 sensor is labelled as the air/fuel ratio sensor. 5478b94e-7fcc-4726-9bba-653a172e5a92.jpg

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Diagram of the location of a down stream o2 sensor on a 2005 chevy malibu.


Hi,
Downstream sensor is screwed into exhaust pipe after the catalytic converter on most models. Depending on your exhaust configuration, your code will say bank 1 or bank 2 or no bank designation. Some have converters coming off each cylinder bank (exhaust manifold off cylinder head) if only 1 converter in system (no bank) there will only be the one O2 sensor downstream.
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Jun 20, 2011 | Chevrolet Malibu Cars & Trucks

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2002 dodge caravan engine light on code showing p0135 .please advice.thanks.


  • O2 Sensor Heater Circuit Malfunction - Bank 1 - Sensor 1
  • Basically the ECM Electronic Control Unit has determined your O2 sensor is taking to long to begin reacting properly.
  • The causes could be
  1. O2 heater element resistance could be to high.
  2. An internal short or opening in the heater element.
  3. O2 heater circuit wiring with high resistance.
  4. Open or short to ground in the wiring harness.

  • The fixes are
  1. Check the harness and connector to the O2 sensor for shorts or ground.
  2. Replace that O2 sensor.

  • Bank 1 sensor 1 location for this vehicle is located on the exhaust manifold back by the firewall on top of the manifold..
  • Thank you for using FixYa


Regards, Tony

Jun 19, 2011 | 2002 Dodge Grand Caravan

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Where is the oxygen sensor bank 1 sensor 1?


From the 2002 Oldsmobile Alero manual:
A device found in the exhaust manifold, which generates a small voltage dependent on the amount of oxygen present in the exhaust stream, used as a signal to the engine-control computer to determine the amount of fuel necessary to maintain a proper air/fuel ratio.
What this means to me is search the exhaust manifold for it - its screwed into it.
Unscrew it with a specialty oxygen sensor socket (a slotted 7/8-in hex socket) - available for
$10 at any parts store. This is likely the HO2S (heated oxygen sensor) Bank 1 Sensor 1, since
it is before the catalytic converter, the second oxygen sensor (Bank 1, Sensor 2) should
be the one located after the catalytic converter.

codes:
P0130 - HO2S-11 (Bank 1 Sensor 1) Circuit Closed Loop Performance
P0131 - HO2S-11 (Bank 1 Sensor 1) Circuit Low Input
P0132 - HO2S-11 (Bank 1 Sensor 1) Circuit High Input
P0133 - HO2S-11 (Bank 1 Sensor 1) Insufficient Activity
P0135 - HO2S-11 (Bank 1 Sensor 1) Heater Circuit Malfunction

Note the P0131 can be also be caused by a bad MAP (Manifold Absolute Pressure) sensor,
so yank the MAP sensor and check the computer for a lean fuel condition (P0131=low input).

Mar 24, 2011 | 2002 Oldsmobile Alero

1 Answer

Hello, I have a 2000 Mitsubishi Eclipse GT V6 3.0 that the service engine light soon has come on. A mechanic put his diagonistics machine on it and the error code P0135 - Heater circuit, bank 1 sensor 1. I...


it is not an O2 sensor but a heated oxygen sensor that is in the exhaust manifold before the cat converter
heated oxygen sensor(HO2S) 1 bank 1 is the one against the fire wall
it is not a heater as such but has an internal heating system so that it reads the exhaust emissions correctly and adjusts the air /fuel settings in the ECM
normally has 4 wires
the oxygen sensor (O2S) is after the cat converters and is a completely different sensor to read a different exhaust gas

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Code error number p0135


P0134....O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)


P0135....O2 Sensor Heater Circuit (Bank 1 Sensor 1) heater in the O2 sensor has packed up first sensor before the cat

Nov 27, 2010 | Jeep Grand Cherokee Cars & Trucks

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97 Blazer.. o2 sensors


Hi, dont worry. bank one is the drivers side and the sensor 1 is the upper sensor above the catalytic converter. and the bank 2 is the passenger side. good luck

May 22, 2010 | 1997 Chevrolet Blazer

1 Answer

O2 sensor location 1997 pontiac grand am 2.4 4 cyl auto trans


BANK 1 SENSOR 1 IS THE ONE IN THE EXHAUST MANIFOLD. BANK 2 SENSOR 2 IS BELOW THE CATALYTIC CONVERTER.

P0171 SHOULD GO AWAY WITH A GOOD O2 SENSOR BUT DO CHECK FOR VACUUM LEAKS TO BE SURE. 3.1/3.4L ENGINES HAVE A BAD DESIGN INTAKE MANIFOLD GASKET, THE LEAK OIL, COOLANT, AND AIR.

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