Changed O2 Sensor Light Still On

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Any ideas on what could be causing the light to stay on? The very next day the check engine light popped up again and i changed the downstream o2 sensor too. Web so the check engine light lit up on my 1989 560 sec and per the advice on this forum i changed the o2 sensor. Web if you want.

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Autozone informed the o2 downstream sensor was bad. Even if you have a code for a specific component doesn't mean that component is at fault. Web if you replaced a bad o2 sensor that was making your car run badly, why is it that your car is still running rough after replacing the old o2 sensor with a new one?.

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There’s no need to replace an o2 sensor before it begins to fail or is physically damaged. Brought bosch oem o2, installed it and cel went off after the first start. It blows junk down the exhaust and damages the sensor, even a brand new one. The sensor output should be switching high/low between around 100mv and 900mv in a.

P0420 posting, changed O2 sensor last year. Have sprayed MAP sensor

Bad spark plug or fuel injector. Showed that the upstream o2 bank 1 was causing it. Engine light went away for about 20 miles. Any ideas on what could be causing the light to stay on? After some detailed diagnosis, i changed the catalyst converter of my car.

Changed o2 sensor upstream. Why is my old one so black? Rav4 2011 v4

I left the negative cable off the battery overnight, but the check engine light is still on. Brought bosch oem o2, installed it and cel went off after the first start. Showed that the upstream o2 bank 1 was causing it. Web on the month july this year, check engine light for code 0420 came to my car for the.

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Maybe you’re not struggling with the o2 sensor, but the wheel speed sensor is giving you trouble. Bad spark plug or fuel injector. Web fixes when a changed o2 sensor code keeps coming back.how to test catalytic converter video: What else should i do? Web looked up your p0141:

Just changed O2 sensor and now the car takes a long time to start r

The mechanic thinks it says this because of a wiring problem and that i. You forgot to reset the ecu. I'd check the plugs on the sensors and wiring. Brought bosch oem o2, installed it and cel went off after the first start. Web if you replaced a bad o2 sensor that was making your car run badly, why is.

So You Changed Your Oxygen Sensor And The Light Is Still On??? Maybe

What else should i do? Autozone informed the o2 downstream sensor was bad. Web you need to look at the sensor output signal with a scan tool that displays real time data while the engine in running in closed loop. Engine light is still on. Web fixes when a changed o2 sensor code keeps coming back.how to test catalytic converter.

Why is my check engine light still on after changing O2 sensor?

Web here are a few reasons why you’re still seeing an error code after replacing your o2 sensor: However, the check engine light keeps coming on with the code for faulty oxygen sensor. I left the negative cable off the battery overnight, but the check engine light is still on. I'd check the plugs on the sensors and wiring. What.

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What else should i do? Unfortunately, i'm not sure what a good way to diagnose this is, since you do not have evidence that the o2 sensor installed is actually a brand new one. Web if you replaced the oxygen sensor just because the light is on or because you had a code for an oxygen sensor, doesn't mean a.

Changed O2 Sensor Light Still On - Engine light went away for about 20 miles. Web so the check engine light lit up on my 1989 560 sec and per the advice on this forum i changed the o2 sensor. Web many months ago i had my oxygen sensors replaced on my car. The answer is actually simple: Bad spark plug or fuel injector. Web i bought an original honda o2 front sensor, and i replaced it myself yesterday. Web after replacing the o2 sensor, tightened it, plugged the new sensor in, & clearing the code with the torque app, the light came back on again after a day or so. What else should i do? Any ideas on what could be causing the light to stay on? Web if you replaced a bad o2 sensor that was making your car run badly, why is it that your car is still running rough after replacing the old o2 sensor with a new one?

Web this can happen if you have a bad catalytic converter: Autozone informed the o2 downstream sensor was bad. Any ideas on what could be causing the light to stay on? The answer is actually simple: The mechanic thinks it says this because of a wiring problem and that i.

Web after replacing the o2 sensor, tightened it, plugged the new sensor in, & clearing the code with the torque app, the light came back on again after a day or so. Maybe you’re not struggling with the o2 sensor, but the wheel speed sensor is giving you trouble. I unplugged the battery to. Web about a month ago i replaced my catalytic converter, a few weeks later the o2 sensor went out.

What else should i do? You forgot to reset the ecu. The answer is actually simple:

There’s no need to replace an o2 sensor before it begins to fail or is physically damaged. Showed that the upstream o2 bank 1 was causing it. Engine light went away for about 20 miles.

Web Looked Up Your P0141:

Web about a month ago i replaced my catalytic converter, a few weeks later the o2 sensor went out. Web here are a few reasons why you’re still seeing an error code after replacing your o2 sensor: There’s no need to replace an o2 sensor before it begins to fail or is physically damaged. Bad spark plug or fuel injector.

Brought Bosch Oem O2, Installed It And Cel Went Off After The First Start.

Even if you have a code for a specific component doesn't mean that component is at fault. In that case, we recommend checking out this article. Web my internet search has not been very conclusive on whether the bank 1 sensor 2 is the oxygen sensor found near the catalytic converter or near the exhaust manifold. Web if you replaced the oxygen sensor just because the light is on or because you had a code for an oxygen sensor, doesn't mean a new sensor will correct the problem.

Web You Need To Look At The Sensor Output Signal With A Scan Tool That Displays Real Time Data While The Engine In Running In Closed Loop.

You forgot to reset the ecu. However, the check engine light keeps coming on with the code for faulty oxygen sensor. Unfortunately, i'm not sure what a good way to diagnose this is, since you do not have evidence that the o2 sensor installed is actually a brand new one. Web if you replaced a bad o2 sensor that was making your car run badly, why is it that your car is still running rough after replacing the old o2 sensor with a new one?

The Very Next Day The Check Engine Light Popped Up Again And I Changed The Downstream O2 Sensor Too.

Any ideas on what could be causing the light to stay on? Web this can happen if you have a bad catalytic converter: I unplugged the battery to. The heater circuit on both sensors are not working.