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#21
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Replacing Oxygen Sensor.
On Feb 21, 9:52 am, jim beam > wrote:
> wrote: > > On Feb 20, 11:40 am, jim beam > wrote: > >> wrote: > >>> On Feb 19, 10:10 pm, Tony Harding > wrote: > >>>> wrote: > >>>>> On Feb 5, 2:27 pm, "Elle" > wrote: > >>>>>> After putting your car's identifying info in atwww.bkhondaparts.com, do a "list all." Click on "exhaust > >>>>>> manifold." The pre cat one appears. Click on "exhaust pipe" > >>>>>> for the post cat one. > >>>>>> These sites are a little tricky to navigate at first. > >>>>>> Persist. :-) > >>>>>> > wrote > >>>>>>> I can't find a diagram of an O2 sensor on their website, > >>>>>>> maybe using a > >>>>>>> different term? > >>>>> Good news. I purchased an O2 sensor off of EBAY for really cheap > >>>>> (new), loaned the tool out from Auto Zone, jacked up the car, and > >>>>> replaced the O2 sensor near the front passenger tire. Total time: 10 > >>>>> minutes. > >>>>> The check engine light is now gone, and I'm looking forward to passing > >>>>> my emissions, since my tabs have expired. > >>>>> Thanks everybody! > >>>> Good news, I guess you replaced the pre-cat sensor. > >>> So, does this mean that both of O2 sensors have gone bad? > >>> Thanks, > >>> --JP > >> that's why you need the code - without it, you're wasting time and > >> money. you can get it read free at many of the local auto parts > >> retailers. or you can buy your own code reader for as little as ~$60. > > > OK, so the sensor located after the catalytic converter is in the > > front? > > what is the code? OK. Autozone checked and found the codes: 0401 and 0420, which the 0401 is the PRG and 0420 is the catalytic converter, but when they checked the ECU a month ago, the only code was for the O2 sensor. Now after replacing the O2 sensor, the check engine light doesn't come on until I drive the car for 50 miles, which I'm guessing is how long it takes to complete the tests that are returning the codes above. I would be convinced that I have to replace my catalytic converter, but I've already replaced it about 1-year ago, and it was an OEM, and not a generic catalytic converter. Need to pass emissions soon. Thanks, --TJ |
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#23
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Replacing Oxygen Sensor.
On Feb 5, 1:30 pm, " >
wrote: > I'm going to try and replace my O2 sensor that came up bad during > diagnostics, and my tabs are already expired. I understand there are > two O2 sensors on my model: Honda Accord 98 EX 4Cyc Vtec. > > Is this something the average joe can locate and replace, or do I need > to take in into the shop? > > Many thanks, > > --TJ Ended up having the replace the catalyst converter and post cat o2 sensor. The shop I took it to charged me $343 that included parts, labor, and tax. They ended up having to do a little welding, so if the check engine light stays off, I will consider this a success. At that price, should I use this shop in the future? Thanks, --TJ |
#24
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Replacing Oxygen Sensor.
> wrote
> Ended up having the replace the catalyst converter and > post cat o2 > sensor. The shop I took it to charged me $343 that > included parts, > labor, and tax. They ended up having to do a little > welding, so if > the check engine light stays off, I will consider this a > success. > > At that price, should I use this shop in the future? A catalytic converter all by itself runs about $400 at online OEM Honda parts sites. Add another $100 for an OEM O2 sensor. They did it so cheaply I bet they used non-OEM all the way around. Dunno if that's okay for the cat converter. Around here, many of us feel only OEM is the way to go with the O2 sensor. The underlying cause of the failed converter needs to be considered. |
#25
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Replacing Oxygen Sensor.
F23A1 or F23A4 engine? Calif emissions? Probably not given the $343
price tag. But the catalytic converter is usually the victim and not the villain. So make sure the engine is properly tuned up. When was the last time you had the valve clearances checked? Might want to do that on your next "tune up". If the clearances are tight, especially on the exhausts, swap out with NGK Iridium plugs and, on a non-calif vehcile, a new Bosch planar type sensor (#15730, F23A1, $65.79 rockauto.com) for the upstream. Planars are more resistant to contamination as well. I know many like OEM sensors. If they are NTK/NGK fine, but I don't really care for Densos. Even their plugs are cheap compared to NGKs. Glad I didn't recommend a converter replacement for a V6 owner. Two Bosch planars solved it for me, and the Denso junk didn't even set a code. On Mar 20, 3:10 pm, " > wrote: > Ended up having the replace the catalyst converter and post cat o2 > sensor. The shop I took it to charged me $343 that included parts, > labor, and tax. They ended up having to do a little welding, so if > the check engine light stays off, I will consider this a success. > > At that price, should I use this shop in the future? > > Thanks, > > --TJ |
#26
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Replacing Oxygen Sensor.
On Mar 22, 5:17 pm, wrote:
> F23A1 or F23A4 engine? Calif emissions? Probably not given the $343 > price tag. > > But the catalytic converter is usually the victim and not the villain. > So make sure the engine is properly tuned up. When was the last time > you had the valve clearances checked? Might want to do that on your > next "tune up". If the clearances are tight, especially on the > exhausts, swap out with NGK Iridium plugs and, on a non-calif vehcile, > a new Bosch planar type sensor (#15730, F23A1, $65.79 rockauto.com) > for the upstream. Planars are more resistant to contamination as > well. > > I know many like OEM sensors. If they are NTK/NGK fine, but I don't > really care for Densos. Even their plugs are cheap compared to NGKs. > Glad I didn't recommend a converter replacement for a V6 owner. Two > Bosch planars solved it for me, and the Denso junk didn't even set a > code. > > On Mar 20, 3:10 pm, " > > wrote: > > > Ended up having the replace the catalyst converter and post cat o2 > > sensor. The shop I took it to charged me $343 that included parts, > > labor, and tax. They ended up having to do a little welding, so if > > the check engine light stays off, I will consider this a success. > > > At that price, should I use this shop in the future? > > > Thanks, > > > --TJ On to replacing the EGR valve, which hopefully will get my car to pass emissions. --JP |
#27
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Replacing Oxygen Sensor.
On Mar 24, 1:10*pm, " >
wrote: > On Mar 22, 5:17 pm, wrote: > > > > > > > F23A1 or F23A4 engine? Calif emissions? Probably not given the $343 > > price tag. > > > But the catalytic converter is usually the victim and not the villain. > > So make sure the engine is properly tuned up. When was the last time > > you had the valve clearances checked? Might want to do that on your > > next "tune up". If the clearances are tight, especially on the > > exhausts, swap out with NGK Iridium plugs and, on a non-calif vehcile, > > a new Bosch planar type sensor (#15730, F23A1, $65.79 rockauto.com) > > for the upstream. Planars are more resistant to contamination as > > well. > > > I know many like OEM sensors. If they are NTK/NGK fine, but I don't > > really care for Densos. Even their plugs are cheap compared to NGKs. > > Glad I didn't recommend a converter replacement for a V6 owner. Two > > Bosch planars solved it for me, and the Denso junk didn't even set a > > code. > > > On Mar 20, 3:10 pm, " > > > wrote: > > > > Ended up having the replace the catalyst converter and post cat o2 > > > sensor. *The shop I took it to charged me $343 that included parts, > > > labor, and tax. *They ended up having to do a little welding, so if > > > the check engine light stays off, I will consider this a success. > > > > At that price, should I use this shop in the future? > > > > Thanks, > > > > --TJ > > On to replacing the EGR valve, which hopefully will get my car to pass > emissions. > > --JP- Hide quoted text - > > - Show quoted text - Replaced EGR valve, and now I'm still getting P401. The shop said to bring it in to clean out the system for less than $100. I guess they have to clean out the pipe before the EGR valve, which is something I can do they said, but it's very time consuming. Any advice? Thanks, --TJ |
#28
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Replacing Oxygen Sensor.
On Mar 26, 2:34 pm, " >
wrote: > On Mar 24, 1:10 pm, " > > wrote: > > > > > On Mar 22, 5:17 pm, wrote: > > > > F23A1 or F23A4 engine? Calif emissions? Probably not given the $343 > > > price tag. > > > > But the catalytic converter is usually the victim and not the villain. > > > So make sure the engine is properly tuned up. When was the last time > > > you had the valve clearances checked? Might want to do that on your > > > next "tune up". If the clearances are tight, especially on the > > > exhausts, swap out with NGK Iridium plugs and, on a non-calif vehcile, > > > a new Bosch planar type sensor (#15730, F23A1, $65.79 rockauto.com) > > > for the upstream. Planars are more resistant to contamination as > > > well. > > > > I know many like OEM sensors. If they are NTK/NGK fine, but I don't > > > really care for Densos. Even their plugs are cheap compared to NGKs. > > > Glad I didn't recommend a converter replacement for a V6 owner. Two > > > Bosch planars solved it for me, and the Denso junk didn't even set a > > > code. > > > > On Mar 20, 3:10 pm, " > > > > wrote: > > > > > Ended up having the replace the catalyst converter and post cat o2 > > > > sensor. The shop I took it to charged me $343 that included parts, > > > > labor, and tax. They ended up having to do a little welding, so if > > > > the check engine light stays off, I will consider this a success. > > > > > At that price, should I use this shop in the future? > > > > > Thanks, > > > > > --TJ > > > On to replacing the EGR valve, which hopefully will get my car to pass > > emissions. > > > --JP- Hide quoted text - > > > - Show quoted text - > > Replaced EGR valve, and now I'm still getting P401. The shop said to > bring it in to clean out the system for less than $100. I guess they > have to clean out the pipe before the EGR valve, which is something I > can do they said, but it's very time consuming. > > Any advice? > > Thanks, > > --TJ Finally passed WA Emissions. My 98 Honda Accord has 215K rough miles that includes trips to TX and CA and several months in Dallas. Also, I drive daily in heavy traffic. Problem: Check engine light. Codes reported: P401 and P420 Solution: Replaced O2 Sensor (POST CAT), Replaced Catalyst converter, Replaced EGR Valve, and cleaned EGR passage. Cost: Catalyst Converter $150, O2 Sensor $50, EGR Valve $125, and Service $250. Oh yeah, I received two traffic violation tickets which were for $216/ea, but I'm going to take the second ticket to mitigation. Thanks to this group for their experience and help. --TJ |
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