Changed O2 Sensor Light Still On

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

The answer is actually simple: Any ideas on what could be causing the light to stay on? What else should i do? Web looked up your p0141: 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.

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

Showed that the upstream o2 bank 1 was causing it. 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. Web looked up your p0141: However, the check engine light keeps coming on with the code for faulty.

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

The heater circuit on both sensors are not working. Web fixes when a changed o2 sensor code keeps coming back.how to test catalytic converter video: 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. I replaced that too and i'm.

90 Degree Check Engine Light Eliminator O2 Sensor Adapter with Mini CAT

However, the check engine light keeps coming on with the code for faulty oxygen sensor. Web many months ago i had my oxygen sensors replaced on my car. Autozone informed the o2 downstream sensor was bad. In that case, we recommend checking out this article. Web on the month july this year, check engine light for code 0420 came to.

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

I replaced that too and i'm still getting a check engine light code for the same sensor. Engine light is still on. I unplugged the battery to. Web on the month july this year, check engine light for code 0420 came to my car for the first time. Bad spark plug or fuel injector.

Changed O2 Sensor Light Still On - I unplugged the battery to. The mechanic thinks it says this because of a wiring problem and that i. In that case, we recommend checking out this article. Any ideas on what could be causing the light to stay on? I believe there might be a fuse also. The very next day the check engine light popped up again and i changed the downstream o2 sensor too.

I replaced that too and i'm still getting a check engine light code for the same sensor. Web fixes when a changed o2 sensor code keeps coming back.how to test catalytic converter video: It blows junk down the exhaust and damages the sensor, even a brand new one. 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. Very simple, unscrew the sensor, unplug the electrical conection, screw new sensor in and plug connection.

Can On For Hundreds Of Reasons.

However, the check engine light keeps coming on with the code for faulty oxygen sensor. Engine light went away for about 20 miles. After some detailed diagnosis, i changed the catalyst converter of my car. Autozone informed the o2 downstream sensor was bad.

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

Web on the month july this year, check engine light for code 0420 came to my car for the first time. In that case, we recommend checking out this article. 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? What else should i do?

I'd Check The Plugs On The Sensors And Wiring.

Even if you have a code for a specific component doesn't mean that component is at fault. The heater circuit on both sensors are not working. Very simple, unscrew the sensor, unplug the electrical conection, screw new sensor in and plug connection. 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 looked up your p0141: Bad spark plug or fuel injector. The sensor output should be switching high/low between around 100mv and 900mv in a sine wave looking signal. Web make sure you change the correct o2 sensor.