Honda Odyssey Generation Forums. 2005 - 2010 Odyssey. Pending P0430 (Catalyst System Efficiency Below Threshold) Jump to Latest Follow ... I was successful in temporarily get rid of P0420 code using chevron Techron fuel system concentrate for about 1- 2 years. Every time I does my tank with it (1 oz / gal gas), the code goes away for a while.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. ... 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 …This is an update on my 1999 Odyssey with the PO420 code. I now have 203600 miles on my 1999 EX and have been seeing the PO420 code since 99,500 miles in 2003. At first the code would only be on for 1-2 weeks at a time, then off for several months. By my 2006 inspection, the light was on most of the time, but I was able to pull the fuse …The term P0420 Honda is essentially a generic diagnostic trouble code (DTC) that translates to "Catalyst System Efficiency Below Threshold (Bank 1)". Put in simpler terms, it's the car's sophisticated way of saying that the catalytic converter isn't performing at its best. Now, for those who aren't car aficionados, the catalytic converter plays a pivotal role.07 Honda Odyssey code p0420 - Answered by a verified Mechanic for Honda. We use cookies to give you the best possible experience on our website. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.Feb 24, 2021 · Getting a p0420/0430 catalyst code. Was reset but comes back on. ... Odyclub community is the #1 forum to discuss all things Honda Odyssey: minivans, safety, service ...How To Fix The P0420 Trouble Code. Verify the code with an OBD-II scanner and reset the check engine light to see if it comes back. Inspect and replace faulty oxygen sensors. Check for exhaust leaks and repair as necessary. Replace worn-out spark plugs or spark plug wires.According to Motor Trend, the spare tire location on the Honda Odyssey depends on the model year. The tires are located in different places for first generation, pre-2005 and post-...Conclusion. 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.Cause and Fixes Honda Odyssey Catalytic Converter Emissions Problem.OBDII Codes P1420, P0420, P0430.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.2005 Honda Odyssey with trouble code po420 - Honda 2005 Odyssey question. Search Fixya. Browse Categories Answer Questions . 2005 Honda Odyssey; Honda Odyssey Car and Truck ... 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 ...Code p0420 honda odyssey 2012 honda odyssey has the code p0980, has the d light flashing, it Subaru impreza engine p0420 engines car concept honda odyssey 2010 code auto cylinder 5l forester brings la show diagnostic used. How To Fix OBD Code P0420 On A Honda Odyssey - Car Tire Reviews.Honda Odyssey Generation Forums. 2011 - 2017 Odyssey. 2013 Odyssey LX with P0430 & P0420 codes, looking for advice on what repairs to do. Jump to Latest Follow 640 views 3 ...https://www.ktecgarage.comDiscord: https://discord.com/channels/1219270237908893779/1219270238420340777I will be using aftermarket direct fit parts from Dorm...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 … read moreI have a 2001 Honda Odyssey with 90000 miles. Lat last year around Oct/Nov time frame, check engine light came on. I took my vehicle to a local Auto Zone store and they scanned the code and told me it was P0420 - bad catalytic converter. I replaced the cat converter with an after market model, however after 3/4 months (after driving 2000 to 3000 miles), check engine light came on with the same ...Mar 21, 2023 · Here is the process I used: 1. Run gas tank down to less than 1/2 full - closer to 1/3 full. 2. Pour in an entire gallon of lacquer thinner. You can buy these at Lowe’s for $21. 3. Good on a road trip and run the engine without stopping until it is very low on gas.The first time it was on a 6 cylinder vehicle that had 4 sensors. I changed the one sensor kicking out the code (P0421 I think). This lasted a week or so. Then I got a P0422 which was the other sensor on the same side. This lasted another few days. Then the codes were pointing to the other side's exhaust so I just replaced both and the problem ...It should the 2 up-stream O2sensors at the same timeHonda is spending $700 million to retool three of its Ohio plants to build electric vehicles as it aims to phase out gas engines by 2040. Honda said on Tuesday it is spending $700 ...In 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...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.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...Dec 18, 2005 · 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 ...= no P0420 code. Given the van is ~8rys old and over 100Kmi, new O2 sensors wouldn't hurt anyway. Joel . 2008 Honda Ody LX babe magnet. ... 2002 Odyssey EX Fern (Granite) Green Honda hood protector, stainless steel flex brake lines, Honda block heater, AC condenser screen, Zymol waxHow to fix code p0420 or lack of acceleration on honda cr-v and otherHonda code odyssey. P0420 americanwarmoms accord exNeed help troubleshooting 2005 honda odyssey codes p0171/p0174 and p0420. 2005 honda odyssey code p0420 bank 1P0420 code fix how its done catalyst efficiency below threshold. Need help troubleshooting 2005 Honda Odyssey codes ...Upstream and Downstream 02 Sensor replacement for BANK 1 on HONDA ODYSSEY 2006 with a 3.5L Engine-----...I have a 2000 honda odyssey that has thrown a p0420 code. My ODB when checking details related to code gave me the. following. p0420. throttle position @15% rpm 1426. MAP sensor. STFT1 -7.7%. LTFT1 -1%. STFT3 -100.6%.Honda Odyssey Generation Forums. 2005 - 2010 Odyssey Spark Plug Explosion, P0420 and P2647 Code. Jump ... The codes were P2647 and P0420. My husband drove the vehicle back to the garage (another 150 miles). This time he replaced the rear catalytic converter and gaskets. (another $681) He took it on a test drive and it stalled on him. He said it ...How to remove 2005Sensor location p0420 p0172 code o2 p0430 bank1 ridgeline locations honda sensor2 only 2008 rear mpg preventative maintenance located question P0430 code on 2010 honda pilotPersistant codes p0420 and p0430. 2008 honda odyssey touring P0430 code, bank 2 cat. Took out what I. Check DetailsIn today's video Mike and Drew review the ramifications of not dealing with a P0 420 trouble code on a 3.5 L Honda engine.Leaving it too long will cause cata...My 2011 honda odyssey touring elite threw a code for P0430 last week and we replaced the two oxygen sensors. The one by the radiator and the second was in between the two catalytic converters. The car ran fine after that, now it is running rough like it was when the first code was thrown. The new code is P0420.-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.2024 Honda Odyssey for Sale near Stillwater, MN; 2024 Honda Accord for Sale near St. Paul, MN; 2024 Honda CR-V Hybrid Lease in Vadnais Heights, MN; ... There are main item codes "A" and "B", and sub item codes 1 through 7. Some vehicles have fewer sub item codes. There's also an oil life indicator that tells you how much oil you have ...P0301 is a fairly common trouble code with the Honda Odyssey. It's an OBD2 code and indicates that your van's first cylinder is misfiring. P0301 is certainly a cause for concern and should be considered a threat to the drivability of your Odyssey. Fixing P0301 should be considered a high priority. Unlike a lot of'00 Odyssey LX - Codes P0420, P1457. Jump to Latest Follow ... 2000 Honda Odyssey LX 1994 Toyota Corolla DX 1991 Honda Accord EX Coupe 1990 Infiniti M30 Coupe. Save Share. Like. Sort by Oldest first Oldest first Newest first Most reactions. William Wiles.Honda Odyssey Generation Forums. 1999 - 2004 Odyssey. P0420 Code after new transmission. Jump to Latest Follow 5K ... However, the truth is the P0420 code is so common with the Ody especially after 90k (right after the 80k warranty!).The most common causes of code P0420 on late model Honda applications are engine vacuum leaks and fuel trim issues.April 6, 2022 by Jason. P0400 is a standard code that indicates your Honda Odyssey's EGR system is not working. The good news is that this code is not a breakdown risk and should not affect how your Odyssey runs (assuming it's the ONLY code). P0400 is a generic code, which means it has the same definition for the Odyssey as any other vehicle.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 the cat code, not O2 code. Reactions: spaceodysey. Save Share. Like. madmanjustice Discussion starter 110 posts ...Have you ever experienced getting into your car, turning on the ignition, and realizing that your Honda radio is locked? It can be quite frustrating, especially if you rely on your...=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈== How to Fix P0420 =====Engine Code P0420 Saving Repair Part...Doesn't matter how it is reset, either by code reader or pulling battery cable. CEL will only return if parameters are met for the ECU to check the post CAT O2 sensor and it finds it out of spec. On my '07 MDX the CEL comes and goes for P0420 because the CAT is apparently borderline, so sometimes it tests out of spec and sometimes it's fine and ...Overview of how to fix a Honda with a P0420 Code: "Catalyst System Efficiency Below Threshold (Bank 1)."Possible Causes of a Honda P0420 CodeFailed catalytic...Honda online store : 2018 odyssey exhaust pipe - muffler parts. Check Details. Exhaust pipe for 1999 Honda ODYSSEY RA3 | General sales region. Check Details. Check Engine Light Code P0420 Honda Odyssey | Americanwarmoms.org. Check Details. Car Exhaust System Explained - Parts, Design, Construction, Working & more. Check Details2000 Honda Odyssey EX - Purchased New - now have ~199,000 miles - rebuilt transmission @ 179,700 miles ... I performed this "upgrade" on my 2000 over 1-1/2 yrs ago and the light hasn't come back on with the P0420 code since. Over 20k in mileage since then. Have done this 4 different times on Odysseys and it seems to work good. Official S2000 ...Mar 30, 2019 ... Comments220 ; EricTheCarGuy Explains Check Engine Codes - P0420 Catalyst System Efficiency Below Threshold. TRQ · 309K views ; 9 Solutions to Fix ...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 ...The engine light came on and It produced a code P0420. What is that - Answered by a verified Mechanic for Honda. By chatting and providing personal info, ... 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 ...The Ody has an A/F ratio sensor rather than an O2 sensor for the upstream sensors which makes it a bit harder to confirm by watching O2 sensor data on a live data scan tool. The P0420 and P0430 codes are set when the downstream O2 sensor code is following the upstream sensor, meaning the cat isn't doing anything.P0420 Code Issues. Tags ... 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 Victus - 2012 Honda Accord - EX-L V6 - Crystal Black Pearl - 39k miles - Bought used in July 2022 with 23k milesThe most common causes of code P0420 on late model Honda applications are engine vacuum leaks and fuel trim issues.William Wiles states: "When diagnosing a trouble code P1259, always look at freeze-frame data. This data will tell you if the code is set at high or low engine rpm. If the code is set below 4,000 to 6,000 rpm (depending on the engine), check the oil pressure switch circuit for a faulty switch/connection or poor ground.-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.P0420 engine diagnostic code for 2011 honda odyssey Need help troubleshooting 2005 honda odyssey codes p0171/p0174 and p0420. (honda odyssey) diagnosing a p0420 by using 3 methods P0420 fix .Resolving the P0420 code in your Honda Odyssey involves a thorough diagnosis to identify the root cause, followed by the appropriate repairs. Whether it's fixing exhaust leaks, …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). Plugged in an OBDII tool and found that my Short Term Fuel Trim is at around 20% when idling and drops to 0 when I increase RPM to 3000.1. Check Engine Light Illuminated. The most obvious and direct symptom associated with the P0420 code is the illumination of the “Check Engine” or “Service Engine Soon” light on your dashboard. 2. Reduced Fuel Efficiency. The catalytic converter plays a role in maintaining optimal engine performance.N. Naim Discussion starter. 201 posts · Joined 2006. #1 · Dec 28, 2008. All of a sudden the 2000 Odyssey has been getting horrible gas mileage (300 miles per tank versus the 400 I was getting). The Check Engine light came on for a hundred miles then went away. I was able to scan the code and it was a P0420 code.I have a 2000 honda odyssey that has thrown a p0420 code. My ODB when checking details related to code gave me the. following. p0420. throttle position @15% rpm 1426. MAP sensor. STFT1 -7.7%. LTFT1 -1%. STFT3 -100.6%.The Odyssey is a 2000 model, 123K miles. It runs great, no concerns over mileage or performance. The CEL has been on for many months, but occasionally will turn off for a day or two. It recently prompted me to get the codes checked at Autozone since the light recently came on again after it's short break. Codes are P0420 and P1456.Honda Odyssey Generation Forums. 1999 - 2004 Odyssey. Can the Catalytic code P0420 be overridden permanently? Jump to Latest Follow 121 - 140 of 150 Posts. 1 7 of 8 Go to page ... Well after 3.5 years and 74K miles, the CEL NEVER came back on with a P0420 code.Related Honda Odyssey Honda Honda Cars and Motor Vehicles forward back. r/AskMechanics. r/AskMechanics. Members Online. P0420 and P0171 Codes on 2003 CorollaReplacing my Cat - aftermarket that doesn't throw P0420? Alright, been getting P0420 on my 2000 EX 160K miles. My OBDII scanner doesn't do a running scan of sensors. I first replaced downstream (aft) with a Denso O2, the one removed was original NKK at 160K miles. Got another P0420.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.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).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 ...Getting a p0420/0430 catalyst code. Was reset but comes back on. I've read many things from replace front 2 oxy sensors, to replace all 4, To replace the catalytic converters. ... Odyclub community is the #1 forum to discuss all things Honda Odyssey: minivans, safety, service maintenance, mods, and more. Show Less . Full Forum Listing.The P0420 code is generated when the secondary O2 senser is switching as often as the primary O2 senser meaning the catalytic converter is not doing it's job. ... Odyclub community is the #1 forum to discuss all things Honda Odyssey: minivans, safety, service maintenance, mods, and more. Show Less . Full Forum Listing.Oct 4, 2009 · 2005 Odyssey 150k check engine light on for a week non stop. Auto Zone troubleshooting code PO420 1. A/F ratio concern 2. Air leak near HO2 sensor 3. Ign Sys concern 4. Faulty catalytic converter concern. After reading for a bit I added a half tank, which filled my tank with Sunoco 93 octane.Jul 27, 2023 ... In 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 ...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 ...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 ... for the cats, luckily, i didn't got any P0420 or P0430 codes yet and the infra thermos gun showed okey data, but I can't stop thinking how long the Cat would …Update: 2 years and 38,000 miles later, no CEL. Has not thrown the P0420 code since I performed the anti-fouler fix. Ken 2010 Odyssey EX-L. 119,518 miles. 10-2013-? 2001 Odyssey EX 282,000 miles. 10-2000 to 10-2013 ... 2000 Honda Odyssey EX-L 199,000 miles (purchased in Jan 2010 w/ 167,000) Average maintenance costs over the ownership of the ...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 ...Jan 14, 2008 · The Odyssey is a 2000 model, 123K miles. It runs great, no concerns over mileage or performance. The CEL has been on for many months, but occasionally will turn off for a day or two. It recently prompted me to get the codes checked at Autozone since the light recently came on again after it's short break. Codes are P0420 and P1456.5. Regular Maintenance: To prevent future occurrences of OBD Code P0420 or other issues, regular maintenance of your Honda Odyssey is crucial. Ensure you get regular emissions tests and smog checks. This not only ensures compliance with regulations but also helps in early detection of potential issues.N. Naim Discussion starter. 201 posts · Joined 2006. #1 · Dec 28, 2008. All of a sudden the 2000 Odyssey has been getting horrible gas mileage (300 miles per tank versus the 400 I was getting). The Check Engine light came on for a hundred miles then went away. I was able to scan the code and it was a P0420 code.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.P0420 is the rear bank which is considered Bank 1. (pg 11-10 of the 06' shop manual.) P0430 is the front bank. The gist of the diagnostic procedure is to reset the MIL when the engine is cold and then start up the truck. Hold down the accelerator at 3k rpms until the radiator fan comes on and then let the truck idle.= 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 ...Honda Odyssey Generation Forums. 1999 - 2004 Odyssey My take on P0420 issue. 14934 Views 64 Replies 16 ... Only one code - P0420. I have no drivability issues such as hessitation, or loss of mileage. I'm a mechanical engineer by day and pride myself in maintaining my vehicles. ...4 posts · Joined 2020. #1 · Aug 4, 2020. I just changed the alternator on my 2008 Odyssey and now I'm getting P0430 and P0420 code. The alternator change was pretty rough. I got an alternator from Advanced Auto that did not work, got another one from Advanced Auto that did not work, and then I got a Denso that did work (3rd time is the charm).Honda P0420 Code Fix: Unveiling Effective Solutions for Optimal Performance. By mark smith January 21, 2024 . 4, Feb 12, 2021 ... This 2005 Honda Odyssey marks the r, Nov 7, 2008 · The symptoms were the P0420 code on our 1999 Odyssey. I would read the code and then erase , 2010 Honda Odyssey EX-L; 160,000 miles; VCM is Muzzled (original VCMuzzl, Jul 26, 2016 ... Honda Code P0420 ~ O2 Sensor Modification with Spark Plug Non-Fo, Bolt - 2006 Honda Odyssey - EX - Ocean Mist Metallic - 110k miles - Bought brand new i, an authorized Honda automobile dealer. ... 2021 Version 1 Warranty E, P0420 Honda Odyssey - 0 votes . 705 views. asked Jul, Dec 21, 2016 ... How to fix code P0420 or lack of acc, 2024 Honda Odyssey for Sale near Stillwater, MN; 2024 Honda Accord , P0420 catalyst below threshold '00 EX, 97000 miles, The Stranger. 13 posts · Joined 2023. #20 · Dec 27, 2023. D, I ended up replacing most of the part in the EVAP system , About Press Copyright Contact us Creators Advertise Developers Terms , Does Cataclean really fix a P0420 / P0430 error code , Honda Odyssey 2005 Turing 14300 kms. Código P0420. Tengo proble, First, check your oil level and make sure its correct. Low oil level, P0420 and P0430 issue. I have a 2011 Odyssey Touring Eli.