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OBDII code P0141 on 97 Accord. Is it the front O2 sensor or the rear?

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Should be your secondary heated oxygen sensor (S2) located after your catalytic converter.

Posted on Mar 09, 2009

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I need toknow where the o2 sensor is located exactly on my 97 honda accord ex vtec engine .the one in the front of engine


follow the exhaust under neath the car. its located just behind the transmission on the top side of exhaust pipe

Feb 14, 2011 | 1997 Honda Accord

1 Answer

Where is the o2 sensor on 92 accord


For 1992 Honda Accord 2.2L FI 4cyl the Oxygen Sensor is located:
DX, LX model
Under hood, center, front engine area, mounted in exhaust manifold

EX model
Under hood, center, lower engine area, driver side rear of engine, mounted in exhaust pipe

Hope helps (remember to rate this answer).

Oct 18, 2010 | 1992 Honda Accord

1 Answer

NEED DRIVE CYCLE FOR 2004 CRV TO RESET CAT AND O2 MONOTOR


Here is the info

NOTE: The ignition key must not be on prior to the cold start otherwise the heated oxygen sensor diagnostic may not run.

1. As soon as the engine starts, idle the engine in drive for two and a half minutes with the A/C and rear defrost on. OBDII checks oxygen sensor heater circuits, air pump and EVAP purge.

2. Turn the A/C and rear defrost off, and accelerate to 55 mph at half throttle. OBDII checks for ignition misfire, fuel trim and canister purge.

3. Hold at a steady state speed of 55 mph for three minutes.

OBDII monitors EGR, air pump, O2 sensors and canister purge.

4. Decelerate (coast down) to 20 mph without braking or depressing the clutch. OBDII checks EGR and purge functions.

5. Accelerate back to 55 to 60 mph at half throttle. OBDII checks misfire, fuel trim and purge again.

6. Hold at a steady speed of 55 to 60 mph for five minutes.

OBDII monitors catalytic converter efficiency, misfire, EGR, fuel trim, oxygen sensors and purge functions.

7. Decelerate (coast down) to a stop without braking. OBDII makes a final check of EGR and canister purge.

Oct 02, 2010 | 2004 Honda CR-V

2 Answers

Ford Aerostar OBDII fault code P0133, where is the O2 sensor?


the o2 sensors are located on the manifold and exhaust pipes under the car

Dec 19, 2009 | 1996 Ford Aerostar Extended

2 Answers

Where is bank 1 sensor 2 located on a 2005 honda accord ex


Look at both cylinder heads the one closes to the front of the motor is bank one, the location of sensor two will be the one after the Catalytic converter,Hope this was very helpful.

Dec 12, 2009 | 2005 Honda Accord

2 Answers

I have a 2003 3.0 engine Honda Accord that is giving me trouble codes P2197 P0154 P2254, what do these mean? Thank you.


Here it goes.
P2197 - Front Air Fuel Sensor (O2 sensor) Bank 2 - Sensor 1 Signal stuck lean.

P0154 - Front Air Fuel Sensor (O2 Sensor) Bank 2 - Sensor 1 Heater System Malfunction.

P2254 - Front AIr Fuel Sensor (O2 Sensor) VS Line high voltage.

IF Trouble codes P0134 or P0154 are present diagnose them before code P2254.

The first thing I would do would be check the heater circuit. You will have ground, and 12V+ to the 02 sensor heater line on a cold start. This heats up the oxygen quicker and allows it to operate in the correct amount of time. 9/10 times if there is a heater circuit code it is the oxygen sensor. But 1/10 times it is a blown fuse. So checking the voltage at the sensor is a quick test for P0154.

I would backprobe the signal line when the vehicle is at a full operating temp with a graphing meter (if avail) or use a DVOM. You should see it switch between .1 volts to 1V. It should not continuously move up and down. This indicates the computer is in good fuel control.

Diaginosis the heater circuit first is best because code P2197 can be set from anything that can cause that motor to run lean. (Plugged fuel filter, low fuel pressure/volume, vacume leak).

Hope this gives you a solid path to go on & good luck.

Nov 16, 2009 | 2003 Honda Accord

1 Answer

1998 honda accord. obdII code 1167. what does this code mean is wrong?


this means you have an O2 sensor, heater circuit malfunction bank no. 2 sensor no.3 this should be the one on your exhaust system, under the vehicle around the catalytic converter. to test the heater circuit, you can use an ohm meter, unplug the connector and it should look like a/b top 2, c/d bottom two, check c/d with your ohm meter it should read 10 to 40 ohms, if it checks out ok, possibly the voltage is not reaching the sensor, check the connector to the sensor (yellow/black+) (green blue-) there should be voltage with the battery turned on, if there is not check th e main relay. Good luck, I hope this takes car of it.

Oct 01, 2009 | 1998 Honda Accord

1 Answer

Fault code P2096. Which Oxygen sensor is it front or rear? Where can I get one? Mazda quoted £350 plus labour. It's a 2004 RX8 231 registered in the UK.


There are 2 O2 sensors...front is a current based WB...and the rear a more normal narrow band sensor. The rear could probably be retrofitted with a 4wire Bosch sensor...but the Mazda one isn't that out of line in price compared to generic if you figure in the wiring and pissing around

The wideband one in the front is not likely to be available yet aftermarket...so you are likely stuck with an OEM replacement for it....

The PCM will likely throw very specific codes for an O2 sensor failure and there are Monitoring routines that monitor the efficiency of them...so if the code isn't there...it is likely OK. O2 sensors and CAT's are very tightly controlled by emissions regulations...and the OBDII **** does a good job of monitoring that kind of stuff

If you don't know if it's the problem...maybe borrow one from a buddies car if it the front one

Jul 03, 2009 | 2004 Mazda RX-8

1 Answer

O2 Sensor replacement


On Honda Accord the O2 sensor is located either on the exhaust manifold near to the front or side of the manifold, or in the manifold rear side, depending if it is a four or six cylinders model.

To give an idea of the job, check this website showing the procedure on a different car:

How to Replace an Oxygen Sensor -

To find step by step for your car, I suggest buying the Haynes manual.

To order the part you can use the website below, or buy it at a local car parts shop.

Honda Oxygen Sensor - Oxygen Sensors - Partstrain.com

Feb 21, 2009 | 1986 Honda Accord

1 Answer

Mauricio Vasquez


Here are some possible causes.

Air leaks at the exhaust manifold or in the exhaust pipes.
Catalytic converter damaged or has failed (deteriorated).
Front O2 Sensor older (aged) than the rear O2 Sensor (O2 is lazy).
Front O2 or rear O2 is contaminated with fuel or moisture.

Jul 18, 2008 | 2001 Honda Accord

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