New Oxygen Sensor installed, light went out, 15 miles later came back on.
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New Oxygen Sensor installed, light went out, 15 miles later came back on.
Hello Honda Tech Forum;
Question. If the wrong Oxygen Sensor is installed will it work for a little while then stop working?
I had an issue that I started a thread on Honda Tech forum a couple of days ago. The topic two days ago was the price of an Oxygen Sensor.
Need estimate for: Oxygen Sensor, Before Catalytic Converter
I have got the same issue but today there is a different topic.
A mechanic told me that the Oxygen Sensor, the one before the Catalytic Converter, was bad. He told me that my car was made for California emissions standards and that a new Oxygen Sensor including installation would cost over $400.
A different mechanic told me that there are what Honda calls "low emissions Oxygen Sensors," "very low emission Oxygen Sensors," and "super-low emission Oxygen Sensors" and that mine was a low emission [i.e. less expensive] Oxygen Sensor and that the cost would be $200 installed.
He installed the new sensor and started the engine. The light was out. I drove about eight miles and picked up a passenger. We went to one store and I stopped the engine. We came out and started the car and drove to a restaurant. We came out of the restaurant. I started the car and drove for about one mile and the "Check Engine" light came back on.
There was a total of about 12 to 15 miles driven before the "Check Engine" light came back on.
Does that sound like we got the wrong Oxygen Sensor - the lower cost one instead of the over $400 one - or does it sound like the other Oxygen Sensor [the one after the catalytic converter] might have just gone out?
The car has got around 250,000 miles on it and I have been told that both Oxygen Sensors tend to go out at about the same time.
Question. If the wrong Oxygen Sensor is installed will it work for a little while then stop working?
I had an issue that I started a thread on Honda Tech forum a couple of days ago. The topic two days ago was the price of an Oxygen Sensor.
Need estimate for: Oxygen Sensor, Before Catalytic Converter
I have got the same issue but today there is a different topic.
A mechanic told me that the Oxygen Sensor, the one before the Catalytic Converter, was bad. He told me that my car was made for California emissions standards and that a new Oxygen Sensor including installation would cost over $400.
A different mechanic told me that there are what Honda calls "low emissions Oxygen Sensors," "very low emission Oxygen Sensors," and "super-low emission Oxygen Sensors" and that mine was a low emission [i.e. less expensive] Oxygen Sensor and that the cost would be $200 installed.
He installed the new sensor and started the engine. The light was out. I drove about eight miles and picked up a passenger. We went to one store and I stopped the engine. We came out and started the car and drove to a restaurant. We came out of the restaurant. I started the car and drove for about one mile and the "Check Engine" light came back on.
There was a total of about 12 to 15 miles driven before the "Check Engine" light came back on.
Does that sound like we got the wrong Oxygen Sensor - the lower cost one instead of the over $400 one - or does it sound like the other Oxygen Sensor [the one after the catalytic converter] might have just gone out?
The car has got around 250,000 miles on it and I have been told that both Oxygen Sensors tend to go out at about the same time.
#2
Honda-Tech Member
Re: New Oxygen Sensor installed, light went out, 15 miles later came back on.
What brand did you use? Hondas are pretty finicky about sensors, injectors and plugs. I would only use OEM or DENSO. Both of which are about $130 (don't ever go back to that first mechanic).
Usually the sensor doesn't work at all- right away. I'm thinking either the other sensor is bad or the cat is bad, that's a lot of miles.
Usually the sensor doesn't work at all- right away. I'm thinking either the other sensor is bad or the cat is bad, that's a lot of miles.
#3
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Re: New Oxygen Sensor installed, light went out, 15 miles later came back on.
What brand did you use? Hondas are pretty finicky about sensors, injectors and plugs. I would only use OEM or DENSO. Both of which are about $130 (don't ever go back to that first mechanic).
Usually the sensor doesn't work at all- right away. I'm thinking either the other sensor is bad or the cat is bad, that's a lot of miles.
Usually the sensor doesn't work at all- right away. I'm thinking either the other sensor is bad or the cat is bad, that's a lot of miles.
What do you mean the sensor doesn't work at all right away? How long does it take it to start working?
Both mechanics put a testing device on the car. Both said that it was the first [i.e. before the catalytic converter] oxygen sensor.
The catalytic converter was mentioned in the discussions with both mechanics but neither of the mechanics mentioned anything about the catalytic converter being bad.
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Re: New Oxygen Sensor installed, light went out, 15 miles later came back on.
go to autozone and get the codes read for free and let us know. we will help you diagnose the right problem. shops charge ridiculous amounts for bs.
#5
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Re: New Oxygen Sensor installed, light went out, 15 miles later came back on.
Yes, go get the codes and post back.
If it was the wrong sensor it won't work or work right from the beginning.
Also, I would recommend Lee's Specialties for your future needs. He's been working on Hondas for 20 years or so and I wouldn't hesitate to go there again. Go 640 to Clinton Highway, take a right at the first light (Tillery) and it's right there on the right.
If it was the wrong sensor it won't work or work right from the beginning.
Also, I would recommend Lee's Specialties for your future needs. He's been working on Hondas for 20 years or so and I wouldn't hesitate to go there again. Go 640 to Clinton Highway, take a right at the first light (Tillery) and it's right there on the right.
#6
Re: New Oxygen Sensor installed, light went out, 15 miles later came back on.
I'm guessing that the check engine light isn't for a bad oxygen sensor. Like everyone else said, have autozone pull the code and let us know what it is.
And whatever you do, don't go back to that other shop. I would write a negative yelp review also.
And whatever you do, don't go back to that other shop. I would write a negative yelp review also.
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Re: New Oxygen Sensor installed, light went out, 15 miles later came back on.
Thanks everyone for the information.
I will go to the AutoZone today.
Thanks again.
I will go to the AutoZone today.
Thanks again.
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Re: New Oxygen Sensor installed, light went out, 15 miles later came back on.
I went to the AutoZone. They did a diagnostic check. Their instrument said that the top oxygen sensor was faulty. It also said that there could be other things that may be causing the check engine light to come on.
The technician there said it was the oxygen sensor before the catalytic converter. That is the same one the mechanic the other day replaced.
The technician there said it was the oxygen sensor before the catalytic converter. That is the same one the mechanic the other day replaced.
#9
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Re: New Oxygen Sensor installed, light went out, 15 miles later came back on.
Ok, autozone employees aren't techs and their "code reader" doesn't just say what to replace...just to throw that out there. It is possible that the sensor is faulty yes, however I would check into why there is a lean condition just to be safe, such as a small vacuum leak, misfire, exhaust leak prior to sensor etc...since parts get pricey quick
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Re: New Oxygen Sensor installed, light went out, 15 miles later came back on.
95accordCE6, holmesnmanny,
Thank you for responding to my post. I appreciate the information.
On the AutoZone ticket where it says:
"Engine vacuum leak or misfire - repair"
and
"Low fuel pressure - fuel pump defective"
What could be misfiring? And are they talking about the gasoline fuel pump that pumps gas from the tank?
The car still seems to be running okay so I am starting to doubt it's the oxygen sensor or the catalytic converter.
Thank you for responding to my post. I appreciate the information.
On the AutoZone ticket where it says:
"Engine vacuum leak or misfire - repair"
and
"Low fuel pressure - fuel pump defective"
What could be misfiring? And are they talking about the gasoline fuel pump that pumps gas from the tank?
The car still seems to be running okay so I am starting to doubt it's the oxygen sensor or the catalytic converter.
#12
MM Gruppe B
Re: New Oxygen Sensor installed, light went out, 15 miles later came back on.
If you have an exhaust leak before the O2 or close by shortly after it there will be false air making the sensor read incorrectly.
You will need to verify there is no exhaust leak, or damage to the wire harness.
And Bosch senors, along with most generic beer can sized ones are worthless out of the box.
Use Denso, NTK, Delco/Delphi.
#13
Honda-Tech Member
Re: New Oxygen Sensor installed, light went out, 15 miles later came back on.
Hello Honda Tech Forum;
Question. If the wrong Oxygen Sensor is installed will it work for a little while then stop working?
I had an issue that I started a thread on Honda Tech forum a couple of days ago. The topic two days ago was the price of an Oxygen Sensor.
Need estimate for: Oxygen Sensor, Before Catalytic Converter
I have got the same issue but today there is a different topic.
A mechanic told me that the Oxygen Sensor, the one before the Catalytic Converter, was bad. He told me that my car was made for California emissions standards and that a new Oxygen Sensor including installation would cost over $400.
A different mechanic told me that there are what Honda calls "low emissions Oxygen Sensors," "very low emission Oxygen Sensors," and "super-low emission Oxygen Sensors" and that mine was a low emission [i.e. less expensive] Oxygen Sensor and that the cost would be $200 installed.
He installed the new sensor and started the engine. The light was out. I drove about eight miles and picked up a passenger. We went to one store and I stopped the engine. We came out and started the car and drove to a restaurant. We came out of the restaurant. I started the car and drove for about one mile and the "Check Engine" light came back on.
There was a total of about 12 to 15 miles driven before the "Check Engine" light came back on.
Does that sound like we got the wrong Oxygen Sensor - the lower cost one instead of the over $400 one - or does it sound like the other Oxygen Sensor [the one after the catalytic converter] might have just gone out?
The car has got around 250,000 miles on it and I have been told that both Oxygen Sensors tend to go out at about the same time.
Question. If the wrong Oxygen Sensor is installed will it work for a little while then stop working?
I had an issue that I started a thread on Honda Tech forum a couple of days ago. The topic two days ago was the price of an Oxygen Sensor.
Need estimate for: Oxygen Sensor, Before Catalytic Converter
I have got the same issue but today there is a different topic.
A mechanic told me that the Oxygen Sensor, the one before the Catalytic Converter, was bad. He told me that my car was made for California emissions standards and that a new Oxygen Sensor including installation would cost over $400.
A different mechanic told me that there are what Honda calls "low emissions Oxygen Sensors," "very low emission Oxygen Sensors," and "super-low emission Oxygen Sensors" and that mine was a low emission [i.e. less expensive] Oxygen Sensor and that the cost would be $200 installed.
He installed the new sensor and started the engine. The light was out. I drove about eight miles and picked up a passenger. We went to one store and I stopped the engine. We came out and started the car and drove to a restaurant. We came out of the restaurant. I started the car and drove for about one mile and the "Check Engine" light came back on.
There was a total of about 12 to 15 miles driven before the "Check Engine" light came back on.
Does that sound like we got the wrong Oxygen Sensor - the lower cost one instead of the over $400 one - or does it sound like the other Oxygen Sensor [the one after the catalytic converter] might have just gone out?
The car has got around 250,000 miles on it and I have been told that both Oxygen Sensors tend to go out at about the same time.
#14
Re: New Oxygen Sensor installed, light went out, 15 miles later came back on.
Look at the engine code on the front side of the engine block next to where the tranny mates up. If it says f23a1 or f23a5 then you got the correct upstream sensor in the 13075 however if your engine is f23a4 then you got the wrong upstream. You need the 13493.
If you got the correct upstream sensor, then I suppose they could have been installed backwards.
The only other possibility is there is a wiring issue. If you have the correct sensors and they are installed correctly, I would check the wiring from the oxygen sensor connector back to the respective ecu connector. In very rare instances the ecu could be bad.
Also, it's best to use Denso oxygen sensors as Bosch are notorious for not working right in Hondas. Denso makes the oxygen sensors for Hondas.
If you got the correct upstream sensor, then I suppose they could have been installed backwards.
The only other possibility is there is a wiring issue. If you have the correct sensors and they are installed correctly, I would check the wiring from the oxygen sensor connector back to the respective ecu connector. In very rare instances the ecu could be bad.
Also, it's best to use Denso oxygen sensors as Bosch are notorious for not working right in Hondas. Denso makes the oxygen sensors for Hondas.
#15
Honda-Tech Member
Re: New Oxygen Sensor installed, light went out, 15 miles later came back on.
There's only a handful of possibilities:
- The sensor was bad out of the box
- There's a vacuum leak
- Fuel filter or pump needs replacing
- There's a break in the wire between the sensor and ECU
- The ECU is bad
- The sensor was bad out of the box
- There's a vacuum leak
- Fuel filter or pump needs replacing
- There's a break in the wire between the sensor and ECU
- The ECU is bad
#16
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Re: New Oxygen Sensor installed, light went out, 15 miles later came back on.
Thanks everyone for responding to my question. I appreciate the help.
I think that the problem is resolved.
I took the car back to the mechanic. He connected the electronic testing box to the car and did a more detailed test this time.
The electronic testing box was about 12" wide x 9" high x 3" thick. The front of it was a plastic computer screen.
He tested the new sensor and said it was working okay. He said it might be a broken wire between the sensor and [I think he said] the computer box.
The mechanic turned the check engine light off using the electronic testing box.
Anyway, he looked at the air filter and it was dirty. He said to 1). get a new air filter. He also said to 2). get a bottle of Chevron Techtron fuel injector cleaner. Also, he said to 3). get a tank full of a higher grade of gasoline instead of regular.
The mechanic said that the check engine light coming on was probably due to just a dirty fuel system.
I did all of the above. The air cleaner had not been changed in a long time. The rubber seal at the front was worn and broken.
He said that the light may come back on. That's been a week ago and it has not came back on. Hopefully, it won't.
Thanks again.
I think that the problem is resolved.
I took the car back to the mechanic. He connected the electronic testing box to the car and did a more detailed test this time.
The electronic testing box was about 12" wide x 9" high x 3" thick. The front of it was a plastic computer screen.
He tested the new sensor and said it was working okay. He said it might be a broken wire between the sensor and [I think he said] the computer box.
The mechanic turned the check engine light off using the electronic testing box.
Anyway, he looked at the air filter and it was dirty. He said to 1). get a new air filter. He also said to 2). get a bottle of Chevron Techtron fuel injector cleaner. Also, he said to 3). get a tank full of a higher grade of gasoline instead of regular.
The mechanic said that the check engine light coming on was probably due to just a dirty fuel system.
I did all of the above. The air cleaner had not been changed in a long time. The rubber seal at the front was worn and broken.
He said that the light may come back on. That's been a week ago and it has not came back on. Hopefully, it won't.
Thanks again.
#18
Honda-Tech Member
Re: New Oxygen Sensor installed, light went out, 15 miles later came back on.
Thanks everyone for responding to my question. I appreciate the help.
I think that the problem is resolved.
I took the car back to the mechanic. He connected the electronic testing box to the car and did a more detailed test this time.
The electronic testing box was about 12" wide x 9" high x 3" thick. The front of it was a plastic computer screen.
He tested the new sensor and said it was working okay. He said it might be a broken wire between the sensor and [I think he said] the computer box.
The mechanic turned the check engine light off using the electronic testing box.
Anyway, he looked at the air filter and it was dirty. He said to 1). get a new air filter. He also said to 2). get a bottle of Chevron Techtron fuel injector cleaner. Also, he said to 3). get a tank full of a higher grade of gasoline instead of regular.
The mechanic said that the check engine light coming on was probably due to just a dirty fuel system.
I did all of the above. The air cleaner had not been changed in a long time. The rubber seal at the front was worn and broken.
He said that the light may come back on. That's been a week ago and it has not came back on. Hopefully, it won't.
Thanks again.
I think that the problem is resolved.
I took the car back to the mechanic. He connected the electronic testing box to the car and did a more detailed test this time.
The electronic testing box was about 12" wide x 9" high x 3" thick. The front of it was a plastic computer screen.
He tested the new sensor and said it was working okay. He said it might be a broken wire between the sensor and [I think he said] the computer box.
The mechanic turned the check engine light off using the electronic testing box.
Anyway, he looked at the air filter and it was dirty. He said to 1). get a new air filter. He also said to 2). get a bottle of Chevron Techtron fuel injector cleaner. Also, he said to 3). get a tank full of a higher grade of gasoline instead of regular.
The mechanic said that the check engine light coming on was probably due to just a dirty fuel system.
I did all of the above. The air cleaner had not been changed in a long time. The rubber seal at the front was worn and broken.
He said that the light may come back on. That's been a week ago and it has not came back on. Hopefully, it won't.
Thanks again.
#19
Honda-Tech Member
Re: New Oxygen Sensor installed, light went out, 15 miles later came back on.
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