Question about 1999 Honda Prelude

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Where is the primary oxygen sensor located - 1999 Honda Prelude

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  • yadayada
    yadayada May 11, 2010

    no such part. what is the trouble code?

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Infront of the catalyst converter

Posted on Jul 18, 2009

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Where are the oxygen sensors located on my 2001 Jeep cherokee sport?


oxygen sensors are always located downstream of exhaust manifold. theres the primary and secondary oxygen sensors. the primary is located before the catalytic converter and the secondary is located after the catalytic converter.

Aug 29, 2014 | 2001 Jeep Cherokee

1 Answer

Where are the oxygens censors located on a 1999 Acura CL 3.0, need to replace them


The 3.0 is an ODB2 car so it has 2 o2 sensors. One before the CAT and one after the CAT. Check your headers for the primary heated o2 sensor location, and check on top of the cat for the secondary o2 sensor.

Sep 07, 2010 | Acura CL Cars & Trucks

1 Answer

Code p1133


According to blueextc3221 this is:
GM p1133 = Heated Oxygen Sensor (HO2S) Insufficient Switching Bank 1 Sensor 1
more than likely you have a bad oxygen sensor...the primary oxygen sensor in the exhaust BEFORE the catalytic converter.

GL,
Td

Jul 06, 2010 | 1997 Buick Century

2 Answers

Fuel to rich bank 1


Change the primary oxygen sensor on the number one cylinder bank. Whichever bank has cylinder number one, is bank one. The primary sensor is the one between the engine and the catalytic converter on that side. There's a secondary sensor behind the catalytic converter, but the primary (pre-cat) sensor is the one used for determining fuel mixture.

Dec 10, 2009 | 1998 Chevrolet C/K 3500

3 Answers

Were on exaust is oxygen sensor in 1999 subaru impreza auto sport


On the SOHC engine the front (A/F) oxygen sensor is located in the front section of the front catalytic converter. The rear oxygen sensor is located in the rear section of the front catalytic converter. On the DOHC engine the front oxygen sensor is located in the front section of the exhaust system, just past the crossover pipe. The rear oxygen sensor is located in the front section of the catalytic converter.

Oxygen sensor location-Baja 2.5L SOHC engine
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Oxygen sensor location-Baja 2.5L DOHC engine
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On the 2.0L engine the front (A/F) oxygen sensor is located in the front section of the exhaust system, just past the crossover pipe. The rear oxygen sensor is located in the front section of the rear catalytic converter. On the 2.2L engine the front (A/F) oxygen sensor is located in the front section of the front catalytic converter. The rear oxygen sensor is located in the rear section of the rear catalytic converter.

Oxygen sensor location-Impreza 1998-2001 2.2L engine
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moz-screenshot.pngOxygen sensor location-Impreza 1998-2002 2.5L SOHC engine
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I hope helped with this; remember rated this help. Good luck.

Nov 20, 2009 | 1999 Subaru Impreza

1 Answer

Engine light on. I'm not able to retrieve codes . hard starting.runs with assistance. won't idle. I replaced fuel filter, cap and rotor and coil


I would first replace the two primary Oxygen sensors these determine air/fuel ratio and it is recommended that they are replaced every 60 - 80,000 miles. When I mentioned primary this refers to the sensors located prior to the catalytic converter not after. After changing the )2 sensors if the problem persists there is what is call a throttle position sensor this is the only other thing I would replace in regards to this problem also make sure the spark plugs are replaced.

Nov 05, 2009 | 1992 Cadillac DeVille

2 Answers

How many oxygen sensors in a 2001 chrysler sebring 3.0


17c3292.jpg

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

1 Answer

O2 Sensor on a 1996 Cadillac Eldorado


Hello mrsalbert, my name is JShreader. Thank you for choosing fixya.com

Depending on which oxygen sensor you are looking for...there are several of them throughout the Exhaust System. I will start out by giving you a brief description of what and oxygen sensor is, and they're general purpose.

DESCRIPTION
Four Heated Oxygen Sensors (HO2S) are mounted in the exhaust system where they monitor the oxygen content in the exhaust stream. There is an oxygen sensor mounted in each exhaust manifold and one on each end of the catalytic converter. the oxygen sensor located in the front exhaust manifold is the Bank 2 Sensor 1 (Front) sensor. The oxygen sensor located in the rear exhaust manifold is the Bank 1 Sensor 1 (Rear) sensor. The oxygen sensor located in the Y-pipe ahead of the catalytic converter is the Bank 1 Sensor 2 (Pre-converter) sensor. The oxygen sensor located in the catalytic converter outlet is the Bank 1 Sensor 3 (Post-converter) sensor.

OPERATION
An oxygen sensor acts like a battery because it creates its own signal voltage once it reaches operating temperature. This voltage is produced when the oxygen content in the exhaust stream is different than the oxygen content in the atmosphere. A lean condition (high oxygen content in exhaust) will produce a low voltage (near 0 volts) and a rich condition (low oxygen content in exhaust) will produce a high voltage (near one volt). The PCM provides a reference signal voltage (0.45 volt) and a ground to the sensor. The PCM reference voltage is necessary because the oxygen sensors do not provide their own voltage until they reach operating temperature.

HEATING ELEMENT
the oxygen sensors also incorporate a heating element inside of the sensor housing. This heating element is energized with the ignition On and allows the sensors to reach operating temperatures quickly. The PCM can then use oxygen sensor information sooner after engine start-up.

PCM INPUTS
The PCM uses oxygen sensor information during Closed Loop operation to constantly adjust fuel control to reduce exhaust emissions. Because the oxygen sensors provide information sooner after engine start-up, exhaust emissions are reduced. Faulty oxygen sensors will cause various driveability conditions and will set a DTC.

That being said...I uploaded a .pdf for you of pictures showing the locations of ALL the oxygen Sensors on your Vehicle. You can download it by clicking HERE.

I hope this helps you. If you have any more questions or need any more diagrams, please don't hesitate to ask...Thanks again, JShreader!

Apr 01, 2009 | 1996 Cadillac Eldorado

2 Answers

99 honda civic dx check engine light


try bridging the wires at passenger footwell plug and reading code at dash for answer

Aug 25, 2008 | 1999 Honda Civic

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