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 ...Lack of throttle response plus P0420. Whats up ppl. Yes I did search the forums in regards of this code. 2003 odyssey 225 miles on the clock. Suggestions on what to try next to see if I can find the fix for the lack of throttle response while accelerating. If I pedal it it will get going but it trigger code for upper 02 sensor alone with ...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.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 ...Honda odyssey 2005 (5) 5dr ex (ka) parts lists and schematics Odyssey 5dr muffler exl touring schematics Odyssey p0420 converter exl 5at oddy a00 rgl nav Odyssey 5dr manifold Honda diagram odyssey exhaust a01 rv0 oxygen sensor fr pipeExhaust honda odyssey 2005 system source Honda odyssey 1995 (s) 5dr ex (ka) parts lists and schematicsCheck ...Explore our in-depth guide on the 'P3400 Honda - cylinder deactivation system bank 1'. Understand what the honda p3400 code means, how it affects your Honda Accord, and possible solutions. We have all the information you need on honda dtc p3400.Hi, I have a 2003 Honda Accord V6 coupe. I've had it for a few months, bought it with 118,XXX miles. My cel came on a few months ago with the codes P2195 Rear A/F Sensor Sensor 1 Bank 1 Signal Stuck Lean, P0420 Catalyst system efficiency below threshold bank 1, and P0430 Catalyst system efficiency below threshold bank 2.2018 Odyssey ALL 5FNRL6…JB000001 thru 5FNRL6…JB014844 REVISION SUMMARY Under AFFECTED VEHICLES and SOFTWARE INFORMATION, 2016 Pilot has been removed. For 2016 Pilot with these symptoms, see service bulletin 20-100, Warranty Extension: MIL Comes On with DTC P0420/P0430, P030x, and/or P219A/B (With Software Update). SYMPTOMIt 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.SOURCE: Question regarding a honda odyssey 1999 check engine light codes. Ramon P0420 relates to the catalytic converter. The computer sees little or no improvement in the exhaust before and after going through the converter. Either your oxygen sensors need replacement (3 total) or you need a new catalytic converter.Mar 8, 2023 ... Comments3 ; The Trainer #118: The REAL Cause Of P0420/P0430 DTCs. Motor Age · 942K views ; How To Diagnose A P0420 Catalytic Converter Low ...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.The O2 sensers are both monitored by the PCM and will generate codes if any of their conditions are out of spec. These can all be checkes with an OBDII scanner. Also most scanners will graph the sensers so you can see the eficiency. An article about the P0420 codes and checks to be made is at. 2004 EX Odyssey.P0420 odyssey threshold catalyst P0420 code Code p2647 2006 honda odyssey 3.5 i-vtec vcm. Check Engine Light Code P0420 Honda Odyssey | Decoratingspecial.com (honda odyssey) diagnosing a p0420 by using 3 methods P0420 code 2011 honda odyssey p0420 and p0430 code keeps coming on and off for theHonda 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 p0420.2008 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)Here is the Honda Advanced Diagnostics info for DTC P0420: Rear Bank Catalyst System Efficiency Below Threshold (Bank 1) ... Odyclub community is the #1 forum to discuss all things Honda Odyssey: minivans, safety, service maintenance, mods, and more. Show Less . Full Forum Listing.Lack of throttle response plus P0420. Whats up ppl. Yes I did search the forums in regards of this code. 2003 odyssey 225 miles on the clock. Suggestions on what to try next to see if I can find the fix for the lack of throttle response while accelerating. If I pedal it it will get going but it trigger code for upper 02 sensor alone with ...Business, Economics, and Finance. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. CryptoDo 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.Apr 20, 2020 · 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.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 .....P0420 Code in Honda. This is typically associated with a faulty catalytic converter, oxygen sensors, or an exhaust leak. Some of the most common solutions include replacing the catalytic converter or oxygen sensors, or addressing the exhaust leak. Regular servicing to diagnose these problems early can prevent this code from reappearing.Apr 17, 2021 ... Honda Fuel injectors issue, MIL, trouble codes P0420/P0430, P030x, and/or P219A/B warranty extension ... Honda Odyssey fuel injectors issue and ...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 ...Now I have the code p0420. 6 months ago I had both p0420 and p0430.ran a few cata clean bottles and they both went away.now this is happening. I used an OBD2 scanner. ... Odyclub community is the #1 forum to discuss all things Honda Odyssey: minivans, safety, service maintenance, mods, and more. Show Less . Full Forum Listing.Honda Odyssey Generation Forums. 1999 - 2004 Odyssey. Persistent P0420. 8725 Views ...P0420 code on Honda Pilot 2005, yes but it comes back on, I need to. Check Details. 2016 honda pilot code p219b. Had the check engine light come on in my 07 honda pilot, read codeP0420 honda code Sensor location p0420 p0172 code o2 p0430 bank1 ridgeline locations honda sensor2 only 2008 located persistant codes fuel sensors preventativeP0430 ...Shows p0420, I have a 2005 odyssey with multiple misfired. Shows p0420, p0430, p0301-p0306. I had recently changed plugs, (they all looked relatively good) and no problems before. Used the bosh pre gapped brand. Also unplugged all coil packs and all seemed to be working but still getting the code. Need ideas please.The P0131 code means the computer is seeing the voltage too low for too long. That voltage should oscillate between 100mV and 900mV at least once per second or so. If it stays at 100mV for too long it will set a code. The only way to know what's wrong is to look at some live O2 sensor voltage data.Honda has issued a transmission recall for the Odyssey model years 2002 through 2004. The 1999 through 2001 model years had an extended warranty because of the transmission, which ...2 of 3 code. U0073 MOD $11. Control Module Communication Bus Off. CONFIRMED. 3 of 3 Code. P0420 MOD $11. Catalyst System Efficiency Below Threshold Bank 1. PENDING. From the vehicle maintenance history I came to know that spark plugs were changed on 122k mile.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.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.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 ...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.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).P0420. Jump to Latest Follow ... 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 - 37k miles - Bought used in July 2022 with 23k milesN. 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.2011 Honda Odyssey P0420 and P0430 code keeps coming on and off for the past year and a half, unfortunately I wasn't the one driving for the duration but they claim that mpg goes down a little bit when its on. ... Yea this odyssey has 180,000 on it mostly highway miles from the previous owner, fucking great car we plan to travel to Canada with ...#1 · Feb 8, 2009. Anybody know what this is as i am getting confusing diagnostic advice as to what this is , some say cat and some say 02 sensor. Code is P0420 catlatic system …P0420 or P0430, and any combination of P0300 through P0306, P219A, or P219B - Update the software, and replace the fuel injectors. ... 2023-2024 Honda Odyssey & 2024 Acura RDX; Safety Recall: 2020-2022 Honda Multi-Model Seat Weight Sensor Stop Sale; IMA DTCs U0110 and U1205 Set with Fuse No. 61 Blown - 2006-2011 Honda Civic Hybrid.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.Jan 4, 2017 · 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.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.December 27, 2022. Advertiser Disclosure. TABLE OF CONTENTS. Fix your check engine light yourself. GET FIXD. What Does Code P0420 Mean? P0420 definition : Catalyst …December 27, 2022. Advertiser Disclosure. TABLE OF CONTENTS. Fix your check engine light yourself. GET FIXD. What Does Code P0420 Mean? P0420 definition : Catalyst …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 ... putting a sensor defouler / extender solved my p0420 issues for good. i dunno if you want to fix it right or just make the code go away. (my pilot runs fine just had the ...Persistant codes p0420 and p0430 Need help troubleshooting 2005 honda odyssey codes p0171/p0174 and p0420. 2008 honda odyssey touring p0430 code, bank 2 cat. took out what i. 2010 Honda Odyssey P0301 Cyl 1 misfire diagnosis Service Bulletin 132000 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 …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.Honda Odyssey Generation Forums. 1999 - 2004 Odyssey. A twist on the P0420. Jump to Latest Follow 2K views ...Lack of throttle response plus P0420. Whats up ppl. Yes I did search the forums in regards of this code. 2003 odyssey 225 miles on the clock. Suggestions on what to try next to see if I can find the fix for the lack of throttle response while accelerating. If I pedal it it will get going but it trigger code for upper 02 sensor alone with ...597 posts · Joined 2021. #4 · Mar 21, 2022. P0420 and P0430 just refers to bank 1 and bank 2. Bank 1 refers to the 3 cylinders in front of the car. Bank 2 refers to the 3 cylinders closest to the firewall. The 2006 has four O2 sensors, there is one upstream (before catalytic converter) and downstream (after catalytic converter) for both banks.Version 2. Warranty Extension: MIL Comes On with DTC P0420/P0430, P030x, and/or P219A/B (With Software Update) Supersedes 20-100, dated November 24, 2020, to revise the information highlighted in yellow. This bulletin replaces 18-025, MIL Comes On with DTC P0300-P0306 or P219A/B, and 19-072, MIL Comes On with DTC P0430 or P0430 with P030X ...# 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...P0420 Code in Honda. This is typically associated with a faulty catalytic converter, oxygen sensors, or an exhaust leak. Some of the most common solutions include replacing the catalytic converter or oxygen sensors, or addressing the exhaust leak. Regular servicing to diagnose these problems early can prevent this code from reappearing.P0420 or P0430, and any combination of P0300 through P0306, P219A, or P219B - Update the software, and replace the fuel injectors. ... 2023-2024 Honda Odyssey & 2024 Acura RDX; Safety Recall: 2020-2022 Honda Multi-Model Seat Weight Sensor Stop Sale; IMA DTCs U0110 and U1205 Set with Fuse No. 61 Blown - 2006-2011 Honda Civic Hybrid.7.4K views 4 years ago. Customer brought me this 2001 Honda Odyssey to confirm if the Catalytic Converter was indeed bad, per Muffler Shop. In this Diagnosis I used three methods: Scan tool, Infra ...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. ... 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. …May 9, 2018 · OBD2 - confirmed: P0420 - Catalyst System Efficiency Below Threshold Bank 1 & P2096 - Post Catalyst Fuel Trim System Too Lean Bank 1. OBD2 - pending: P0128 - Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) & P2097 - Post Catalyst Fuel Trim System Too Rich Bank 1.Are you in search of an unforgettable adventure at sea? Look no further than the Odyssey of the Seas itinerary. This remarkable journey promises to take you on a voyage of a lifeti...The Most Common Fix For P0420 In The Honda Odyssey Is A New Catalytic Converter, Followed By An O2 Sensor Replacement. I've already seen using 3rd gear and raising the motors rpms more help keep the code from resetting for a good length of time. I replaced the first egr valve with an aftermarket part at about 90,000 after getting the egr code.February 11, 2021. Version 2. Warranty Extension: MIL Comes On with DTC P0420/P0430, P030x, and/or P219A/B (With Software Update) Supersedes 20-100, dated November 24, 2020, to revise the information highlighted in yellow. This bulletin replaces 18-025, MIL Comes On with DTC P0300-P0306 or P219A/B, and 19-072, MIL Comes On with DTC P0430 or ...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.Check Engine Light and P0420 and P0430 Codes. So, your Check Engine light is on, and you’ve got either a P0420 or P0430 code, on your OBD-II scanner. This “Catalyst system efficiency below threshold” code is triggered when your car’s computer (the powertrain or engine control module (PCM or ECM)) detects a catalytic converter issue. 1A ...TSB for P0420 -- catalytic converter has deteriorated. I wanted to send a quick thanks to those who have posted so much information regarding the illusive P0420 code. I'm in the middle of battling this issue ('00 Odyssey 104k miles) and have found your insight invaluable when dealing with our local dealership.P0420 Solved. Jump to Latest Follow 21 - 22 of 22 Posts. 1 2. M. mitchd123 · Registered ... Honda Odyssey Forum. 1.1M posts 413.9K members Since 2000 Odyclub community is the #1 forum to discuss all things Honda Odyssey: minivans, safety, service maintenance, mods, and more. ...Check engine light code p0420 honda odyssey. Persistant codes p0420 and p0430Download p0157 honda Need help troubleshooting 2005 honda odyssey codes p0171/p0174 and p0420.Honda catalytic converter odyssey bank 2005 removal. Honda odyssey 439b a26c 9c192008 honda odyssey touring p0430 code, bank 2 cat. took out what i . ...P0420. 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 …- 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.Tighten the new Honda gas cap at least 3 clicks. Clear the code and wait. If P1456 returns: Check the fuel filler neck for leaks around where it meets the tank. Other vacuum leaks to check are the fuel tank and fuel cap. Otherwise, check the EVAP Purge Control Solenoid Valve first then EVAP Bypass Solenoid Valve, EVAP Two-Way Valve, the FTP ...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.#p0420 #p0430 #catalyticconvertercodes #badcat #autel #motoragetrainingThe "Catalytic Converter Efficiency" codes, P0420 and P0430, are among the top 10 DTCs...Problem 1 7/9/2004 6:38 AM Odyssey P0420 Catalyst System Efficiency Below Threshold (Bank 1) Problem 2 9/22/2004 4:48 PM Odyssey P0401 Exhaust Gas Recirculation ... 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 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.How to fix code p0420 or lack of acceleration on honda cr-v and other2004 honda pilot p0304 misfire cylinder 4 diagnosis and repair Honda p0420P0420 pilot. P0430 o2Honda pilot engine light bank check p0420 cat justanswer code had come ex Had the check engine light come on in my 07 honda pilot, read code2004 honda pilot mil check engine code ...I ran into P0420 on an older, used Astro van. Swapped out parts and so on, but to no avail. ... '13 VW Passat TDI SE 2.0T CKRA; '11 Honda Odyssey Touring Elite; '05.5 VW Jetta MKV 2.5; '97 Chev S10 Previous: '06 Honda Pilot LX, '05 Pilot EX, '07 Mazda 5 Grand Touring, '95 Mazda 626 DX. Save Share. Like. Nail Grease. 17394 posts ...FWIW, I had the P0420 appear on my Toyota about 4 years ago. I reset the code, drove a few hundred miles, and took the car in for emissions inspection and passed. ... 2002 Odyssey EX Fern (Granite) Green Honda hood protector, stainless steel flex brake lines, Honda block heater, AC condenser screen, Zymol waxJan 7, 2010 · By July 2008, at 190,000 miles, the P0420 code stayed on all the time and I replaced the converter ($600. online at Majestic Honda + $70. labor at local muffler shop) to pass inspection. I have not seen the CEL on since then. I currently have 233,000 miles on the van. still using the original oxygen sensors.https://www.ktecgarage.comDiscord: https://discord.com/channels/1219270237908893779/1219270238420340777I will be using aftermarket direct fit parts from Dorm...Bolt - 2006 Honda Odyssey - EX - Ocean Mist Metallic - 110k miles, Catalyst System Efficiency Below Threshold (Bank 1) is the , John Clark. 14166 posts · Joined 2008. #2 · Apr 2, 2018. P0137 is Rear Secondary , P0303, P0304, P0171, P0172, P219A, P0420, or P0420 With Any of the Other Listed Codes AFFECTE, 2000 Honda Odyssey - 117,800 miles -3.5 VTEC Code is P0420 (insuficient flow (bank 1)). I&#, Check Details Honda pilot odyssey mdx crv p145c p0497 p0455 p0456 evap code. P0420 code jeep grand che, May 10, 2023 ... The P0420 code is a generic diagnostic trouble code that indicates a problem with the catalyt, Codes P0172 and P0420. Just came on, pulled up to , 2018 Honda Odyssey Elite - P0420 - Emission System Problem, The codes P0420 and P0430 indicate that the catalytic convert, P0171 p0174 and p0420 - 2011 ex-l with 155,300 miles. Hey , Persistant codes p0420 and p0430 Need help troubleshooting 2005 hond, Here is the Honda Advanced Diagnostics info for DTC P0420: R, The ‘Check Engine’ light is activated when the powertr, Bolt - 2006 Honda Odyssey - EX - Ocean Mist Metallic - 110k, 26 posts · Joined 2017. #1 · Feb 9, 2018. This is my first winter, Lack of throttle response plus P0420. Whats up ppl. Yes I did, Honda Odyssey Generation Forums. 2005 - 2010 Odyssey 200.