151 posts · Joined 2022. #12 · Dec 19, 2023. Well I'm back, and it's doing it again. Codes I got were P02413, P0404, P0430 and P0420. Also got some misfire codes, and the random misfire code. I've noticed it does it more after everything is well warmed up, and when I'm going over say 50mph to 55mph.Oct 18, 2017 ... Comments37 ; Honda Accord V6 2008-2012 | P0420 Catalytic Converter Replacement (Bank 1). 780lude · 23K views ; CATACLEAN Catalytic Converter ...P0420 is a catalytic converter inefficiency code - if the engine is messed up, and the smoke is blue-ish and smells like burnt oil, your could have a bent valve and be pushing oil out the exhaust which has soaked and messed up the catalytic converter on bank one. ... Odyclub community is the #1 forum to discuss all things Honda Odyssey ...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.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 is a symptom not a code that says replace this and this. You need to troubleshoot the cause of the symptoms. Sent from my Pixel 5 using Tapatalk .The meaning of the P0420 code on a Honda Accord is a "Catalyst System Efficiency Below Threshold (Bank 1).". This code indicates that there is a potential issue with the catalytic converter in the exhaust system. It is important to have this issue addressed by a qualified mechanic as it can affect the vehicle's emissions and overall ...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 ...Repair Information for P0420 Honda code. Learn what does P0420 Honda Catalyst System Efficiency Below Threshold Bank 1 means and how to diagnose p0420 code H...The P0420 generally means the downstream (post-cat) O2 sensor is not reading properly. That sensor should be pretty steady when the cat is doing its job. So if it fluctuates too much, as the upstream sensor properly does, it suggests a problem with the cat. It is known to be a flaky / possibly doubtful fault detection strategy.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 ...2007 Honda Odyssey EX-L P0420 Code. Catalyst Efficiency BelowThreshold (Bank 1). The mileage of my van is 200,000. When they check the code they need to replace the o2 sensor. Then I've tried a second opinion from AutoZone and they advice me to replace Catalytic Converter (s) with new OE Catalytic Converter (s).Jul 10, 2009 · M. msavy11 Discussion starter. 86 posts · Joined 2007. #1 · Jul 10, 2009. 2000 EX 138k. The P0420 code has been on for nearly 1-year. I am about to have a cat installed, but wanted to check the forum first to see if there is anything else I need to address since it's gone ignored for so long.greg1c. 5852 posts · Joined 2013. #10 · Mar 25, 2017. Here is the bottom line, Catalytic convertors do not wear out, they are destroyed by oil, coolant, lead, phosphorus, silicone, and bad fuel mixtures. So this P0420 code says that the bank 1 catalytic converter is under efficiency threshold.- P0420 or P0430, and any combination of P0300 through P0306, P219A, or P219B - Go to REPAIR PROCEDURE. - P0300 through P0306, P219A, or P219B only - Go to REPAIR PROCEDURE. No - This service bulletin does not apply. Continue with normal system troubleshooting. 2. Select Honda Systems. 3. Select PGM FI.Related: P0420 Honda Odyssey . Honda Odyssey P0496 Meaning. P0496 is a universal OBDII trouble code. This means that regardless of which make or model of vehicle, the code will mean the same thing. The code technically stands for: Evaporative Emission System High Purge Flow.(Honda Odyssey) Diagnosing a P0420 by using 3 methods - YouTube. Check Details. P0301, p0174, p0400, and vsa light. Honda odyssey p0171 & p0174 codes: diy fix in under 30 minutes! simpleP0420 diagnosing Codigo p0174 honda odyssey 2007 3.5 sensor de oxigeno banco 1 sensor 1Honda pilot p0171 / p0174 fast fix and diag tips 3.5l 2009.How to diagnose code P0420 on a Honda Odyssey. Typically, you'll find out about P0420 because your malfunction indicator lamp or "check engine light" turned on & you or a mechanic diagnosed the problem with an OBD II code scanner like this one from Bluedriver. You may experience a very slight reduction in engine power from reduced exhaust flow ...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 ... Back to our regularly scheduled issue, below I posted a battery/start issue while trying to clean up my P0420, at around 125k miles. It came on the year prior to the ...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).Please NOTE: The bulk of my time in the comment section is spent on comments and questions from SUBSCRIBERS, If you not subscribed, or leave off the question...2000 Honda Odyssey - 117,800 miles -3.5 VTEC Code is P0420 (insuficient flow (bank 1)). I've replaced the Catalytic converter, EGR valve and pulled the manifold to clean and add tube to EGR port. Port was totally clogged. Car ran for about 35 miles before light came back on with code P0420 (bank 1). What does this mean and where is it located?The P0420 code is set by the downstream O2 sensor. I had the same code and replaced both O2 sensors. Code came back. ... Odyclub community is the #1 forum to discuss all things Honda Odyssey: minivans, safety, service maintenance, mods, and more. Show Less . Full Forum Listing.Mar 17, 2020 · I have a 2013 Honda Odyssey with 127K miles that recently got a check emission light that came on. I checked the code and only got a P0420... and no other co...RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices.DTC P0420 Rear Bank Catalyst System Efficiency Below Threshold (Bank 1) if your VCM is still active, suggest you read the VCM megathread. Reactions: Shaque-ymm. ... Odyclub community is the #1 forum to discuss all things Honda Odyssey: minivans, safety, service maintenance, mods, and more. Show Less . Full Forum Listing.*99 honda odyssey lx (wifes car) 2 12" kicker L7 subs and a 2600 watt amp, 6000k hid kit. ... If the problem still exists then the vehicle computer will trigger the P0420 code or what ever code for the failed system. 2000 Ody EX Deep Velvet Blue (2nd trans after 112,280 miles) 2006 VW JETTA A5 TDI (Running on ULSD) ...P0420 Honda Odyssey - 0 votes . 705 views. asked Jul 30, 2017 by Dan. ... Vehicle: 2001, Honda Odyssey 3.5 check-engine-light-on; p0420; 1 Answer. 0 votes . answered Jul 30, 2017 by anonymous. P0420 is for the catalytic converter not cleaning the burnt fuel effectively, most likely the catalytic converter you will have to reset the code …P0420 from seafoam in oil. ... 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.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 ... The P0420 code will continue to pop up on occasion while the problem persists. What I've noticed in my Accords is that cold weather, lower quality fuel, longer hill ...If you are a car owner, it is likely that you have encountered the dreaded check engine light at some point. One of the most common trouble codes that many drivers come across is c...OBD Code P0420 indicates that the catalytic converter’s efficiency in your Honda Odyssey is below the threshold. This means the converter is not working as …The Fleet: Victus - 2012 Honda Accord - EX-L V6 - Crystal Black Pearl - 37k miles - Bought used in July 2022 with 23k miles 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 roadIn this video, I'll guide you through the step-by-step process of diagnosing the P0171 and P0174 Diagnostic Trouble Codes (DTC's) on your Honda Odyssey and r...Odyssey of the Seas, Royal Caribbean’s latest addition to its fleet, promises an unforgettable cruise experience. With its state-of-the-art amenities and world-class services, this...This forces your vehicles computer to make incorrect assumptions about what is going on with your vehicle. That is why the p0420/p0430 code can appear instead of the O2 sensor failure code (s). This partial O2 failure or "laziness", as some call it, can also account for the intermittent nature of the code and engine light.BTW P0420 is bank 1 and P0430 is bank 2 so it looks like both of your cats are done. Also, bad upstream (or sensor 1 or S1) can also kill your cats. ... Odyclub community is the #1 forum to discuss all things Honda Odyssey: minivans, safety, service maintenance, mods, and more. Show Less . Full Forum Listing.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. ... Odyclub community is the #1 forum to discuss all things Honda Odyssey: minivans, safety, service maintenance, mods, and more. …Most common reason causing this code on Honda vehicles and how to prevent this from happening again.A Minivan That Never Fails To Disappoint, Your Honda Odyssey Boasts A Modern Exterior, A Roomy Interior And Plenty Of Great Features. Web 33 oxygen sensors found view related parts honda odyssey sensor, laf front part number: Web 2007 honda odyssey 3.5l. Web the 2007 honda odyssey has 3 problems reported for check engine light on.Apr 30, 2021 ... Comments12 ; The Trainer #118: The REAL Cause Of P0420/P0430 DTCs. Motor Age · 942K views ; 9 Solutions to Fix P0430 - Don't Start Fixing Before .....OlyOdy. 13 posts · Joined 2007. #2 · Feb 5, 2009. We are having the same issue with our 2000 Odyssey - 123,000 miles - PO1491, PO420, PO401. We had the EGR pipe kit installed long ago. Our EGR valves have been replaced and the system unclogged 5 times previously. Honda Dealer does not know why we keep having problems.*99 honda odyssey lx (wifes car) 2 12" kicker L7 subs and a 2600 watt amp, 6000k hid kit. ... If the problem still exists then the vehicle computer will trigger the P0420 code or what ever code for the failed system. 2000 Ody EX Deep Velvet Blue (2nd trans after 112,280 miles) 2006 VW JETTA A5 TDI (Running on ULSD) ...When there is a large leak in the Honda Odyssey’s EVAP system, it will throw the P0455 OBDII Code. P0455 indicates a large leak in the evaporative emission control system. (EVAP). There are different leak size codes. For example, P0456 means your Odyssey has a small EVAP leak. While the trouble code may state that there is a …# Honda V6 VCM Oil Pressure Switch Replacement (Code P3400)Honda V6 Engine J35A7, with VCM (Variable Cylinder Management)shown in the 2010 Odyssey Ex-L## Rea...If the OBD-II code reader displays a P0420 or P0430 trouble code, ... a P0430 on a Toyota 4Runner, or a Honda Odyssey P0430. Many car owners make the mistake of immediately attributing a P0430 trouble code to the oxygen sensors and replacing the devices without checking for other possible causes. Since the problem will usually be the catalytic ...2008 Odyssey Touring non-PAX Silver Pearl Metallic w/ Black Interior Mobil 1 5W-20 with Honda Oil Filter 15400-PLM-A01 or 15400-PLM-A02 Shell (or other Top-Tier Gas) Honda Care 6yr/120K from Bernardi Honda WeatherTech FloorLiner (1st, 2nd, 3rd Row) WeatherTech Cargo Liner (Coverage Area: Behind 2nd Seat)=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code HONDA P0171 Saving Repa...odyclub.com is an independent Honda enthusiast website owned and operated by VerticalScope Inc. Content on odyclub.com is generated by its users. odyclub.com is not in any way affiliated with Honda Motor Company VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada1999 Honda Civic EX 1.6L with p0420 code. Problem: MIL Lamp on (P0420) Diagnosing: The technician tried to clean the fuel injectors because of found a clogged fuel filter and replace the front O2 sensor because he found the data unusual. The code kept coming back and he decided to replace the catalytic converter.P0420 code honda sensorCode p0420 honda odyssey 2011 honda pilot p0420 code2013 chevy equinox p0420. Sensor location p0420 p0172 code o2 p0430 bank1 ridgeline locations honda sensor2 only 2008 rear mpg preventative maintenance question located . Check Details. Check Details. Have a p0420 on 2002 honda civic ex.Honda setting code #P3400 and #P3497 valve pause System stuck off both Banks. If these codes set in your Honda and you have a check engine light on before sp...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 ...Aug 24, 2020 · 56 posts · Joined 2018. #4 · Aug 25, 2020. P0420 is telling you that the catalytic converter is not working as efficiently as it should. It uses the output of the upstream and the downstream oxygen sensors to determine the efficiency.John Clark. This is just not true. The P0420 code is the one code that almost always means exactly what it says. Yes, one should check the functionality of the A/F sensors and the rear O2 sensor but just due to what the computer needs to see in order to set a P0420 or P0430 code it usually is NOT the sensors.My wife's 2009 Honda Odyssey threw a Check Fuel Cap message. Later it turned into a P0420 Catalyst Below Threshold error code. Replacing with a new cap and r...The Honda Odyssey Code P0420 refers to a diagnostic trouble code that indicates a problem with the catalytic converter efficiency in the vehicle’s exhaust …Think of the P0420 along this line. You have two guards, and theyre counting pedestrians that are making their way from point A to point B. Its a straight path. All the pedestrians are evenly spaced. And, theres no way for the path to deviate. Pretend the path is a bridge or something. Guard A counts 10 people going across the bridge, therefore ...vsa and codes p0300,p0305,p0306 and now p0304. Having problems with my 2009 ex-l odyssey. we bought it a year and a half ago and loved the van for all this time. about 3 months ago it started to flash the cel and the vsa would come on. running rough. codes p0300 and p0305,p0306. random misfire and cylinder 5 and 6.Royalbiggster. 423 posts · Joined 2023. #2 · Jan 27, 2024. Check your engine oil level. Make sure they didn't overfill it. Get your PCV valve checked. Make sure …Quick overview of cause and fix for a P3400 error code in a Honda. Link to article: https://www.backyardmechanic.org/how-to-fix-honda-engine-error-code-p3400/Honda Odyssey P0420: Bank 1 Location & DTC Code Explained Check Details 2004 Honda Odyssey P0335 and P0336 Crankshaft Position sensor FIX Check Details 2005 Honda Odyssey EXL Issues: 1. Error:... 2005 Honda Odyssey EXL Check Details 2008 honda odyssey touring P0430 code, bank 2 cat. Took out what IHow to Fix HONDA P0420 Engine Code in 3 Minutes [3 Methods / Only $19.99] - YouTube. nonda. 91.1K subscribers. Subscribed. 512. 103K views 2 years ago. …The P0420 code is a generic diagnostic trouble code that indicates a problem with the catalytic converter's efficiency in the exhaust system. It can be caused by various issues, ranging from faulty oxygen sensors to engine misfires or fuel system issues. Suppose you suspect your Honda car has this code. In that case, it’s recommended to …P0420 & P0430. Jump to Latest Follow ... 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.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.106 posts · Joined 2010. #1 · Dec 26, 2019. 2009 Odyssey EX-L. Scenario: 190K Miles, dreaded P0420 and P0430 codes (4 new o2 sensors installed -- Denso and Walker brands -- codes still persist = the cats are toast). I will be replacing the cats in the Spring most likely, but want to pass emission in the interim via o2 sensor extender utilization.Im getting the p0420 code on my 2005 Honda Accord EX 2.4 . I don't know whether to change the O2 sensor or the catalyst converter .they are both pretty pricey. Then senor runs for about 130.00 and the …It's an 05 Touring model with 117k miles, the check engine light recently came on with a P0420 code. (Bank 1 catalyst system efficiency below threshold) I assume I need to replace the CAT, but wanted to check with you guys to see if you think anything else is needed. It's low in miles, so not sure why the CAT would already have kicked it.When I connected my 2007 honda odyssey, that I purchased used with 200000 miles on it, I just wanted to check if it would throw any codes. It came back saying p4020. ... As John said, p0420 requires multiple drive cycle confirmations to actually set a CEL. Other codes have other conditions. Maker of Max Muzzler with variable resistor, pm to ...Exhaust gasket manifold odyssey Odyssey oe oem For 1999-2004 honda odyssey exhaust pipe ap exhaust 59522cc 2000 2001 Honda odyssey 2004 (4) 5dr lx (ka) parts lists and schematics. User Manual and Guide Collection. Home; ... Odyssey steering a02 s0x lx 4at a01 hondapartsnowOdyssey p0420 converter exl 5at oddy a00 rgl nav Odyssey duct 5at ...Odyssey Pilot Ridgeline Failed Part: P/N 36541–R70–A01 Defect Code: 07801 Symptom Code: 03203 Skill Level: Repair Technician DIAGNOSIS 1. Connect the HDS to the vehicle and check for DTCs P0420 or P0430. NOTE: In addition to DTCs P0420 or P0430, you may also see DTCs P2243 or P2247 stored; the tip may have broken off the primary A/F …After all this, I still had the P0420 code. I'm pretty confident the clogged EGR had damaged my cat with too high EGT, to the point the P0420 code was being triggered, but not enough to really affect the quality of the van's emissions. ... 2010 Honda Odyssey EX-L w/RES: 112K Miles. TruCool LPD4544 Cooler, Weathertech's, OEM Fog's, …2007 Honda Odyssey EX-L P0420 Code. Catalyst Efficiency BelowThreshold (Bank 1). The mileage of my van is 200,000. When they check the code they need to replace the o2 sensor. Then I've tried a second opinion from AutoZone and they advice me to replace Catalytic Converter (s) with new OE Catalytic Converter (s).If you’re looking for a truly luxurious and unforgettable vacation experience, look no further than the Odyssey Cruise Ship. With its world-class amenities and top-notch service, t...The most common fix for P0420 in the Honda Shuttle is a new catalytic converter, followed by an O2 sensor replacement. Before taking your Shuttle 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 Shuttle: 1. Check for Other Codes.Honda Odyssey Ownership. Problems and Concerns. P0420; enough is enough!! 28106 Views 73 Replies 14 Participants Last post by awdsyco, May 22, 2013. S. shsu Discussion Starter ...P0420 is real common code in Hondas. To meet emission standards, Honda seems to have set the trip level on P0420 very low and causing the cursed "intermittent failure" situation. The first thing I would do is reset the PCM (clearing the code) and see if it comes back. Then consider new O2 sensors.Apr 28, 2006 · P0420 is real common code in Hondas. To meet emission standards, Honda seems to have set the trip level on P0420 very low and causing the cursed "intermittent failure" situation. The first thing I would do is reset the PCM (clearing the code) and see if it comes back. Then consider new O2 sensors.2007 honda odyssey 3.5 CATALYTIC CONVERTER REPLACEMENT P0430 BANK 2The point of this post is to give some encouragement to those of you who have been plagued by either the dreaded p0420, p1457 or both. Exactly a year ago the odyssey had driven me crazy with p0420 codes popping up for a year about every 4 to 6 weeks. I decided to try Seafoam and carb cleaning--can't remember where but somebody recommended it.The code P0420 stands for Catalyst System Efficiency Below Threshold. This means that the oxygen sensors in your exhaust system have detected that the catalytic converter is not working as efficiently as it should. It is most commonly caused by a faulty catalytic converter that a P0420 code is displayed.It is most likely evaporative emission related one e.g. loose gas cap etc. The P0420 code comes on at steady cruise. I never have seen it come on engine startup. Buy your own OBD scanner. The cheaper ones are around $30 and better ones start at $60.P0420 still didn't clear! Figuring that maybe the wiring failure had damaged the sensor, I replaced it one more time, hoping against hope that it hadn't damaged the PCM. ... Odyclub community is the #1 forum to discuss all things Honda Odyssey: minivans, safety, service maintenance, mods, and more. Show Less . Full Forum Listing.Catalyst System Efficiency Below Threshold (Bank 1) is the meaning of the P0420 code. This code indicates that Catalyst System Efficiency (Bank 2) is below the threshold (P0430). The number one cylinder is located on the bank 1 side of the engine. In Bank 2, you will find the opposite side of the engine. P0420 and P0430 both showed up and are ...Feb 20, 2009 · The PCM needs to see a slower switch rate from the downstream sensors as compared to the upstreams. Basically, the downstreamers should see less hydrocarbons, more oxygen and therefore put out a lower voltage than the upstreamers. The PCM compares this ratio and will set the P0420 if the minimum isn't met.P0420 & p0430. Tags ... Odyclub community is the #1 forum to discuss all things Honda Odyssey: minivans,, Are you in search of an unforgettable adventure at sea? Look no further than the Odyssey of the Seas itine, Jan 4, 2017 · John Clark. This is just not true. The P0420 code is the , Honda Odyssey 2005 Turing 14300 kms. Código P0420. Tengo problemas en mi odyssey 2005 el codigo es , P0420 2001 odyssey I bought my van at 89000 miles a, The most common fix for P0420 in the Honda Odyssey is a new catalytic converter, followed , The P0420 code in Ford Focus specifically relates to the Bank 1 catalyti, My wife's 2009 Honda Odyssey threw a Check Fu, 2018 Honda Odyssey Elite - P0420 - Emission System Problem. T, 597 posts · Joined 2021. #4 · Mar 21, 2022. P0420 and P0, Odyssey p0420 converter exl 5at oddy a00 rgl nav Odyssey, Sep 30, 2022 · When the OBD Code P0420 is triggered in a Honda Odys, 56 posts · Joined 2018. #4 · Aug 25, 2020. P0420 is , 2000 Honda Odyssey - 117,800 miles -3.5 VTEC Code is P, Visit me at: http://www.ericthecarguy.com/O2 Sensor Video: https://www, Oct 26, 2022 ... This is a short - but comprehensive -, The Odyssey is a 2000 model, 123K miles. It runs great, no co, I am getting OBD II code of P0420 from my 2000 Honda Odyssey. I'.