#1 · Feb 24, 2021. Hello! 2013 odyssey exl 132,000 mileage. Getting a p0420/0430 catalyst code. Was reset but comes back on. I’ve read many things from replace front 2 oxy …2010 Honda Odyssey EX-L; 160,000 miles; VCM is Muzzled (original VCMuzzler) Cleveland, Ohio USA. ... They are functioning if the computer is even able to throw the P0420 code in the first place. I have fixed several P0420 codes by replacing both the upstream and downstream sensors. The reason I do it is that after 130-150K miles they are worn ...7371 posts · Joined 2020. #2 · Jan 7, 2024. DTC P0420 Rear Bank Catalyst System Efficiency Below Threshold (Bank 1) if your VCM is still active, suggest you read the VCM megathread. Shaque-ymm.Does Cataclean really fix a P0420 / P0430 error code and catalytic converter. Cataclean Link: https://amzn.to/33t8RVQ Second channel for easy to follow Home ...-loss of 1-2 mpg when the P0420 or P0421 code was present-new upstream and downstream O2 sensors didn't appear to help much-EGR code P0401 eventually came up after having the simulator installed for about a month or 2 on my Odyssey. I used the TSB procedure to clean the EGR ports on the intake manifold as well as cleaning the egr valve itself.Funny thing is when you get a P0420 or P0430 the code does not tell you which sensor it is since there are two on each bank. Which does not make sense it only tells you the bank. Since I already changed the lower sensor nearest the rear of vehicle on the bottom which I assume bank 1, I guess I'll change the top on bank 1 now.Honda fuel injectors odyssey remove injector civic b413 41af 660c p0171 P0171 trouble code (1995-1997 2.2l honda accord and odyssey) Honda p0420 odyssey 2005 45e8. Need help troubleshooting 2005 Honda Odyssey codes P0171/P0174 and P0420. P0171 code car fix fixing hesitation Need help troubleshooting 2005 honda odyssey codes p0171/p0174 and p0420.P0420 + misfire in cylinders 1,2 and 3. 2012 Honda odyssey touring with 155k miles, no VCM muzzler. Bought it about 2 months ago, started having an issue with misfire in cylinder 6. Mechanic found out it was a fuel injector not properly seated (my fault) and we were good to go for about two days.-loss of 1-2 mpg when the P0420 or P0421 code was present-new upstream and downstream O2 sensors didn't appear to help much-EGR code P0401 eventually came up after having the simulator installed for about a month or 2 on my Odyssey. I used the TSB procedure to clean the EGR ports on the intake manifold as well as cleaning the egr valve itself.Honda Odyssey P1456: EVAP Leakage (Fuel Tank) P1456 is a very common trouble code in vehicles made by Honda. It is a Honda specific code, which means that it has the same meaning in any vehicle manufactured by Honda (including Acura). P1456 is typically caused by a faulty or loose gas cap, although there are other issues that can cause it as well.P0420 honda codeHow to fix obd code p0420 on a honda odyssey 2016-2018 honda warranty extension: mil comes on with dtc p0420/p0430Need help troubleshooting 2005 honda odyssey codes p0171/p0174 and p0420.. Check Details. Odyssey cel.Oct 31, 2014 · And when p0420 shows, it most likely is a worn CAT, but in pratice most place try to get you replace the sensor first. And in most cases, it just drain your wallet and drive people nuts. it might disappear for months, but eventually the code p0420 will come back if you don't replace the CAT. K. kgardonia. 240 posts · Joined 2010. #4 · Nov 2 ...P0420 Code and Fuel Trim. ... My Accord is the 2006 PZEV version with 92,000 miles. A few days ago I got the P0420 Check Engine Light which stands for Catalyst System Efficiency Below Threshold (Bank 1). ... 2012 Honda Odyssey Touring Elite, Alabaster Silver - Family Hauler/My daily ride 2003 Accord EXV6, ...READ DESCRIPTIONBANK 2 SENSOR 1 DIY VIDEO ~ https://www.youtube.com/watch?v=zmUXM-dbRf8Parts:2005-2006 A/F sensor: https://amzn.to/2KH11Zw2007-2010 A/F senso...Funny thing is when you get a P0420 or P0430 the code does not tell you which sensor it is since there are two on each bank. Which does not make sense it only tells you the bank. Since I already changed the lower sensor nearest the rear of vehicle on the bottom which I assume bank 1, I guess I'll change the top on bank 1 now.How to fix honda p0420 engine code in 3 minutes [3 methods / only $19.99]Odyssey ridgeline p0420 catalytic Check engine light code p0420 honda odysseyP0420 honda: catalyst system efficiency below threshold explained. Check engine code p0420Check engine code p0420 honda Odyssey p0420 converter 5at exl oddy a00 rgl nav2001 toyota tacoma 02 sensor.Learn everything about the P0420 Honda code, also known as Honda P0420. Our detailed guide explains the causes, symptoms, and solutions for the Catalyst System Efficiency Below Threshold issue (DTC P0420 Honda). Get a comprehensive understanding of the Honda code P0420 diagnosis process today.Buddur. 591 posts · Joined 2015. #3 · Mar 22, 2020. I had a PO420 code in my old Subaru Forester and read about lacquer thinner helping clean the cat and eliminating the code, however based on other information about it can possibly affect the fuel system components I decided not to try it. Glad to hear it worked for you.The 1969 Honda Dream 305 motorcycle combined power with convenience. Read about this important Honda and see pictures of a real dream machine. Advertisement The 1969 Honda Dream 30...Oct 1, 2019 · P0420 is a catalytic converter efficiency code. There's a chance that it's a false alarm, so don't rush to have someone look at it. Rarely, it might mean that an oxygen sensor is malfunctioning, but not so bad as to be diagnosed as an oxygen sensor failure. A failing oxygen sensor would affect engine performance; if you start seeing that, a ...CEL light on 2000 Honda Odyssey..OBD code is P0420...my mechanic said that his plan would be to replace the (2) O2 sensors. When I look under the car, passenger front I see the one sensor right into t … read moreHonda Odyssey P0420 Code Possible Solutions Often, the oxygen sensor is the cause of P0420. Specifically it'll usually be the O2 sensor(s) on the upstream side of the catalytic converter. But, don't be surprised if it's not. It would be a good idea to check the exhaust for leaks first. You should be able to hear an exhaust leak easily ...= no P0420 code. Given the van is ~8rys old and over 100Kmi, new O2 sensors wouldn't hurt anyway. ... Odyclub community is the #1 forum to discuss all things Honda ...GET FIXD. What Does Code P0420 Mean? P0420 definition : Catalyst system efficiency below threshold (Bank 1) Issue Severity: MODERATE – Extended …2016 Ody with P0420 and P0301 codes. Hi I am a noob here and hope I am posting in the right place. FYI, I have some car knowledge (do my oil changes, brakes and followed youtube videos to swap the sliding door mechanisms in our old Sienna) but I haven't touched the engine much. I am besides myself with our 2016 Ody.My Honda Odyssey is showing the OBD codes of P0420 and P0430 (Catalyst Bank 1). I have tried to reset the codes. They - Answered by a verified Auto MechanicInspect the catalytic converter: Look for any physical damage or clogging in the catalytic converter. A failing converter can trigger the P0420 code. 4. Check for engine misfires: Misfires can cause unburnt fuel to enter the exhaust system, which can damage the catalytic converter.Code P0302 is part of this series. Each code indicates a misfire on a particular cylinder between P0301 and P0312. When your car has a 12-cylinder engine, code P0301 indicates a misfire in cylinder 1 while code P0312 indicates a misfire in cylinder 12. In contrast to a cylinder misfire, code P0300 indicates a "random misfire.".Causes and fixes of a Honda with a P0443 Code, "Evaporative Emission (EVAP) Canister Purge Valve Circuit Malfunction."Possible Causes of Honda Code P0443Gas ...P0420 on 2005 Ody w/130k miles. This code had been coming on and off a couple years ago, then was solidly on just prior for need for CA emission testing. That time,I ran G2P and the light went off while driving! It got …Honda Odyssey Generation Forums. 2005 - 2010 Odyssey. P0420 Code on 05 Oddy?? ... Code P0420 refers to the rear converter, the one between engine and firewall. Before you do anything else, try to reset ECM - disconnect car battery, and connect back in a few minutes, ...2003 Honda Odyssey Code P0420 and related TCS Codes 31-2 / 61-1. Also recieved a note from dealer saying "This is AHM Position regarding P0740." They want to replace the transmission and a computer for $6000+.P0420. This is a bank 1 catalyst below efficiency code. This is probably due to the failed A/F ratio sensor that has caused the rear bank to not run properly and possibly damaged the cat. I would repair the A/F ratio sensor first, clear the codes and see if the P0420 code returns. P3497.Diagnostic trouble code (DTC) P0420 stands for “P0420 Catalyst System Efficiency Below Threshold (Bank 1).” It indicates that the exhaust system’s oxygen …This page is meant to help you troubleshoot the Chevy Suburban P0420 trouble code. It covers the P0420 code's meaning, symptoms, causes, and possible solutions. P0420 is the most common OBDII code and is virtually never a breakdown risk. A failing oxygen sensor or bad catalytic converter are the most common causes of P0420. TableFebruary 13, 2023 by Jason. P0302 in the Honda Odyssey is a common OBD II trouble code. It indicates that your van's second cylinder has a misfire. P0302 is a real drivability concern and should be dealt with right away. If it's bad enough to cause your Odyssey's check engine light to come on, you shouldn't drive your van at all.In this article, we dive into the world of Honda Odyssey check engine light codes. Honda Odyssey is a popular minivan known for its. Mechanics news. Automotive Mechanics; Industrial Mechanics; ... It will provide a brief overview of each code and its possible causes: P0420: Catalytic Converter Efficiency Below Threshold - Possible causes ...This page is meant to help you troubleshoot the Honda Odyssey P0420 trouble code. It covers the P0420 code’s meaning, symptoms, causes, and possible solutions. P0420 is the most common OBDII code and is virtually never a breakdown risk. A failing oxygen sensor or bad catalytic converter are the most … See moreA: The most common engine codes associated with Honda Odyssey vehicles include P0402 (Exhaust Gas Recirculation System Error), P0420 (Catalytic Converter Efficiency Error), P0700 (Transmission Control System Malfunction) and P0420 (Catalytic Converter Efficiency Error).A trouble code P0420: Catalyst System Efficiency Below Threshold lets you know that the catalytic converter on your 2.2L Honda Accord (Odyssey) has malfunctioned and needs to be replaced.. In this article, I'll explain what causes the catalytic converter to fail and what you should do before replacing it (to avoid a repeat of the problem).code p0420 p0430. Jump to Latest ... Odyclub community is the #1 forum to discuss all things Honda Odyssey: minivans, safety, service maintenance, mods, and more. Show Less . Full Forum Listing. Explore Our Forums. 2005 - 2010 Odyssey 2011 - 2017 Odyssey 1999 - 2004 Odyssey 2018+ Odyssey Problems and Concerns.The 1969 Honda Dream 305 motorcycle combined power with convenience. Read about this important Honda and see pictures of a real dream machine. Advertisement The 1969 Honda Dream 30...I have the same random P0420 code on my 1999 Odyssey. I had the Honda EGR TSB performed at 92,000 miles. Even though it was past the 80,000 mile warranty Honda paid 1/2 the repair cost. The check-engine light came on while I was on vacation with 99,600 miles on the van. I drove 100 miles 1 way to a Honda dealer to have the code checked in case ...Honda Odyssey Generation Forums. 2005 - 2010 Odyssey. TPMS sensor replaced, now CEL & P0420. Jump to Latest Follow 2K ... However at home I found that the Cat converter system code P0420 was set (Bank 1) and both P0420 and P0430 were pending (both banks) and my UltraGauge would not turn the check engine light off. ...The most common fix for P0420 in the Honda Prelude is a new catalytic converter, followed by an O2 sensor replacement. Before taking your Prelude into an exhaust shop for an (expensive) new catalytic converter, let's ensure that's what you need. Here's a good P0420 diagnostic order for the Honda Prelude: 1. Check for Other Codes.GET FIXD. What Does Code P0420 Mean? P0420 definition : Catalyst system efficiency below threshold (Bank 1) Issue Severity: MODERATE – Extended …Causes of the Honda Odyssey Code P0420. There are several possible causes for the Honda Odyssey Code P0420. Some common reasons include a faulty …i have a 2017 honda odyssey and have replaced both oil pressure sensors switches solenoids whatever you wanna call them because of some issue with acceleration, the shutter I guess, where the rpm goes up and down while accelrating, I tried the VCM II muzzler all colors both did nothing to solve the issue.GOt a misfire code the other day from 5th cylinder and had to replace the ignition coil ...About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Diagnostic trouble code (DTC) P0420 stands for “P0420 Catalyst System Efficiency Below Threshold (Bank 1).” It indicates that the exhaust system’s oxygen …Most Honda Odyssey owners have a same experience with this P0420 code. It is bank 1, that on the rear side of the engineer. There are two o2 sensors. One of the top that connected to top or before the catalytic converter. This one can be replaced without go under your van. Another one is at the bottom where you have to go underneath.Bolt - 2006 Honda Odyssey - EX - Ocean Mist Metallic - 110k miles - Bought brand new in August 2006, never any major repairs, possibly the most reliable Odyssey on the road ... P0420 code detection is notoriously indirect and possibly inaccurate, so some of the methods to "treat" the condition may work for you vs. failing for others.August 14, 2023 by Jason. P0507 is a fairly typical OBDII trouble code that can occur in the Honda Odyssey. It is typically triggered when the engine idle speed is 200 rpm or more over the predetermined limit set by the Honda. It is a generic code, which means that it has the same meaning for the Honda Odyssey as any other vehicle.Need help troubleshooting 2005 honda odyssey codes p0171/p0174 and p0420.Honda odyssey p2647 2005 code 2005 honda odyssey p0420 bank 1Catalytic pilot p0420. Total 51+ imagen p0420 honda bank 1 location2012 honda odyssey p0420 p0430 2005 honda odyssey p0420 bank 1On my 2005 honda odyssey i'm getting all 6 cylinder misfire codes p0301. Check ...In a case like this that doesn't have a clear cause, I'd be inclined to let a Honda dealer diagnose the problem using proper test procedures and the appropriate test equipment. Previous owner of 2007 RTL, 2010 RTL, 2014 SE, 2017 RTL-E, 2019 RTL-E, and 2021 RTL-E. ... Last year, I only had the P0420 code on.How to fix obd code p0420 on a honda odysseyI have a 2005 honda odyssey with a 3.5l engine. the engine light came 2005 honda odyssey code p0420 bank 1P0420 code honda pilot. Check Details. Sensor location p0420 p0172 code o2 p0430 bank1 ridgeline locations honda sensor2 only 2008 rear mpg preventative maintenance …I have the same issue here,replaced the trans at 80k miles and now the van is popping on the cel with the P0420 code ,it happened 3 month ago ,so i pour some fuel injector cleaner,I cleaned the intake manifold EGR passage and replaced the spark plugs ...it was good for a few months but now I got the CEL with the same P0420 code again...Do you have a 2005-2008 Honda Pilot, Ridgeline, Odyssey and Acura MDX V6 and are experiencing a code P0420? Watch this video for helpful information.2000 Odyssey with P0420 code & nothing else! Save Share. Like. 1 1 of 6 Go to page. Go. 6. ... Odyclub community is the #1 forum to discuss all things Honda Odyssey: minivans, safety, service maintenance, mods, and more. Show Less . Full Forum Listing. Explore Our Forums.2015 Honda Fit, 2014 Honda Odyssey EX-L, 2003 Honda Odyssey EX-L, 1972 Alfa Romeo Spider - in project status. Save Share. Like. New Dad New Van. ... P0420 code and emission test My 99 Odyssey with 95,000 miles has been turning on the check engine light intermittently for around a year. I had emissions testing coming due so about 4 weeks ago I ...How to fix you emissions p0420 code for cheap, easy, fast. Watch this video and learn how to turn off you cars check engine in under 10 minutes with parts av...Bolt - 2006 Honda Odyssey - EX - Ocean Mist Metallic - 110k miles - Bought brand new in August 2006, never any major repairs, possibly the most reliable Odyssey on the road ... I've been getting an intermittent P0420 code recently on my 2009 LX, likely gonna take it in to the dealership soon, as I believe my PZEV warranty ends in the new yearIf it's taking 6 weeks to set the code there's no reason to think the P0420 will set immediately after removing the defouler, especially if the cat is right on the edge, just as you suspect. ... Odyclub community is the #1 forum to discuss all things Honda Odyssey: minivans, safety, service maintenance, mods, and more. Show Less . Full Forum ...Honda Odyssey Generation Forums. 2005 - 2010 Odyssey 2005 odyssey engine light on, code p0430, help ... P0420 2001 odyssey I bought my van at 89000 miles and when I got to 150000 I had code p0420 just like what everyone here is talking about. The code had been ON and OFF, some 10k-15k, some a few thousand miles.2007 honda odyssey 3.5 CATALYTIC CONVERTER REPLACEMENT P0430 BANK 2The P0134 trouble code indicates that the front oxygen sensor on Bank 1 is inactive. The activity from the oxygen sensor is measured by the powertrain control module ( PCM ). It is considered a generic code because it applies to all vehicles equipped with OBD-II. In general, the PCM offers a 450 mV baseline voltage from the oxygen sensor signal ...2016 Ody with P0420 and P0301 codes. Hi I am a noob here and hope I am posting in the right place. FYI, I have some car knowledge (do my oil changes, brakes and followed youtube videos to swap the sliding door mechanisms in our old Sienna) but I haven't touched the engine much. I am besides myself with our 2016 Ody.2010 Honda Odyssey EX-L; 160,000 miles; VCM is Muzzled (original VCMuzzler) Cleveland, Ohio USA. ... I tried to delete the code, but it appeared again in 5-10 minutes in the driving mode. So it appears that in the driving mode during movement, HO2S Bank Sensor 2 value stays zero, but in the parking mode at 1500 PRM the value of the same sensor ...If the P0430 code is combined with other codes, try fixing the other codes first. There is a factory service bulletin (A17-036) for the following Honda models: - 2016–2017 Honda Pilot - 2018 Honda Odyssey - 2017 Honda Ridgeline The Powertrain Control Module (PCM) software may misinterpret sensor inputs as a deteriorated …First, check your oil level and make sure its correct. Low oil level can cause this P3400 code to set. A loose gas cap and/or dirty cabin air filter WILL NOT cause this P3400 code to set. The most obvious symptom was that the Odyssey was operating in 3 cylinder mode nearly ALL the time. There was a significant drop in power.Honda Odyssey Ownership. ... Codes P0172 and P0420. Jump to Latest Follow 13K views ...