P0420 honda odyssey

Codes P0172 and P0420. Just came on, pulled up to Checker and P0172 is Bank 1 is too rich, while P0420 is Cat System Below Threashold - Bank 1. The guy said that I need to replace the Catalystic Converter and that will fix the problem. I did a search here and haven't found anybody with the same two codes.

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.Troubleshooting a HONDA P0139 "O2 Sensor Circuit Slow Response (Bank 1, Sensor 2)." code as well as fixes.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 439b 9c19 a26c P0420 diagnosing (honda odyssey) diagnosing a p0420 by using 3 methodsP0171 p0174 sensor lean bank system too oxygen fuel ecu Honda p0420 odyssey 2005 45e8Need help troubleshooting 2005 honda odyssey codes p0171/p0174 and p0420.. P0171 trouble code (1995-1997 2.2l honda accord and odyssey)Need help troubleshooting ...P0305 Honda Meaning, Symptoms, Causes, And How To Fix. An OBD-II P0305 code indicates a misfire in cylinder number 5 of the engine, which was detected by the engine control module (ECM). The code P0305 indicates that enough misfire events have been recorded for cylinder 5 for the powertrain control module (PCM) to store the misfire code.P0171 p0174 and p0420 - 2011 ex-l with 155,300 miles. Hey everyone, a few months back I had a check engine light with p0171 and p0174 codes. I found that my air intake hose was torn and replaced it, cleared the codes and thought issue was resolved. A couple days ago I got the CEL again this time it’s those two previous codes and now …Autozone read the code for free and each time resulted in "P0420 Catalyst System Efficiency Below Threshold B1". It was an infrequent, intermittent issue and gradually became more prevalent. ... Bolt - 2006 Honda Odyssey - EX - Ocean Mist Metallic - 110k miles - Bought brand new in August 2006, never any major repairs, possibly the most ...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.

P0420 Blues. About 500miles ago, the maintenance light flashed when starting the car, then last night at exactly 112,500mi the CEL came on with a P0420 code according to Auto Zone. Just started stumbling on start-up too (maybe 1/2dozen times in a row). Fuel consumption (16city/19.5hwy) and ride are unchanged.P0420 Code Issues. Have a 2013 EX-L with 136k miles and the P0420 code is throwing the CEL. Luckily that is the only code it's throwing. I've changed the Firewall side Catalytic Converter, both upstream and downstream o2 sensors, plugs, and air filter and after clearing the code, it eventually comes back.Nov 11, 2012 · 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)Honda Odyssey Generation Forums. 1999 - 2004 Odyssey. P0420 Code. 20051 Views 41 Replies 15 Participants Last post by POSGUY, Mar 28, 2011 Jump to Latest M ...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.

Apr 19, 2010. Messages. 13,663. Location. Frisco, TX. Dec 4, 2013. #2. P0420 is "catalyst system efficiency below threshold". The ECU is comparing the pre- and post-catalyst O2 sensors, and is seeing the post-catalyst sensor not registering reduced emissions (slight oversimplification, but it gets the point across).And, for us, the p0420 honda odyssey a charismatic high-pitched growl and an 8.9s 0-60mph time but the p0420 honda odyssey for outright handling prowess - it's hamstrung by a front-drive layout, for a car that tries to encourage just such a short period? It took fully fourteen years for Honda UK says 229 Insights have been CR models before from ...Oct 18, 2017 ... Comments37 ; Honda Accord V6 2008-2012 | P0420 Catalytic Converter Replacement (Bank 1). 780lude · 23K views ; CATACLEAN Catalytic Converter ...2000 Honda Civic EX - P0420 Code Locked-In I've got a P420 code locked in on my car w/101,000 miles. Recently, my distributor dies and was replaced. I also replaced the spark plugs and wires (way overdue). The code popped-in the very next day, will reset for a couple of hours, and then come back in. Is the code due to the recent work on the...Problema codigo p0420. Tengo problemas en mi odyssey 2005 el codigo es p0420 parece que es el catalitici alguien me puede ayudar. El convertidor catalítico tiene un sensor, seguramente tu convertidor necesita reemplazarse o revisa que e sensor este bien.What Does the P0420 Code Mean? Diagnostic trouble code (DTC) P0420 stands for “P0420 Catalyst System Efficiency Below Threshold (Bank 1).” It indicates …

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Honda's Federal Emissions Warranty covers your 2020 Odyssey for a minimum of three years or 36,000 miles. This coverage extends to 50,000 miles in select states, thanks to the manufacturer's California Emissions Warranty coverage. This Emissions Warranty protects the components that make up your minivan's smog control systems, including ...Codes P0172 and P0420. Just came on, pulled up to Checker and P0172 is Bank 1 is too rich, while P0420 is Cat System Below Threashold - Bank 1. The guy said that I need to replace the Catalystic Converter and that will fix the problem. I did a search here and haven't found anybody with the same two codes.Just got P0420 on my 06 w/140k. It is an EX so VCM is not the issue. I guess I'll try the G2P for starters. How does it work? How does it help with the code? ... 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 ...Mar 16, 2020 ... Comments14 ; How To Replace BOTH O2 SENSORS on HONDA ODYSSEY (2005-2010). ManiZilla's ToolBox · 88K views ; How to Replace O2 Sensor P2251 - Bank 1 ...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?

P0305 Honda Meaning, Symptoms, Causes, And How To Fix. An OBD-II P0305 code indicates a misfire in cylinder number 5 of the engine, which was detected by the engine control module (ECM). The code P0305 indicates that enough misfire events have been recorded for cylinder 5 for the powertrain control module (PCM) to store the misfire code.Cause and Fixes Honda Odyssey Catalytic Converter Emissions Problem.OBDII Codes P1420, P0420, P0430.Apr 19, 2010. Messages. 13,663. Location. Frisco, TX. Dec 4, 2013. #2. P0420 is "catalyst system efficiency below threshold". The ECU is comparing the pre- and post-catalyst O2 sensors, and is seeing the post-catalyst sensor not registering reduced emissions (slight oversimplification, but it gets the point across).When the OBD Code P0420 is triggered in a Honda Odyssey, the check engine light will illuminate on the dashboard. This light is a warning sign that there’s a malfunction in the vehicle’s systems.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 the5. 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.17456 posts · Joined 2020. #1 · Jul 9, 2020 (Edited) After having installed S-VCM on my 2012 Honda Crosstour V6 with around 210k miles, now at 242k.., For the first time in the last 50k, when the vehicle came in for an oil change, the P0420 and P0430 codes did not re-occur. I am convinced that it is because it runs on all 6 cylinders 100% of ...In 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...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 ...

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May 2, 2024 · 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.Possible Causes of a Honda P0420 Code Failed catalytic converter Faulty oxygen sensor Damaged wiring or loose connections Exhaust leak (not very common) Overview of how to fix a Honda with a...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.Here is an overview of removing the bank 1 and bank 2 catalytic converters on a honda odyssey. This is not a difficult job as you can see in the video. Make ...However, the truth is the P0420 code is so common with the Ody especially after 90k (right after the 80k warranty!). I first received the code @ 85,000 miles, and was told by Honda I was just out of the warranty. They will try to sell you a new Honda OEM cat for $1,000.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...A bad O2 sensor can cause the p0420. P0141 is an O2 heater open code. Use a voltmeter or ohmmeter to check out the O2 sensor in the converter. If it started when you replaced the old one or converter chances are the wiring got screwed up. Use a voltmeter or ammeter to check it out. 2004 EX Odyssey.https://www.ktecgarage.comDiscord: https://discord.com/channels/1219270237908893779/1219270238420340777I will be using aftermarket direct fit parts from Dorm...Unfortunately, the P0420 is a fairly straight forward code, and a fairly common problem. This code points to a failing Catalytic Converter for Bank1. The Oxygen Sensors measure the amount of emissions in the exhaust going into, and then out of the converter. When they see that the converter is not "cleaning" the exhaust enough to meet Honda ...

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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 13vsa 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.Jan 5, 2024 · The codes P0420 and P0430 indicate that the catalytic converters are not performing as efficiently as they should be. This could be caused by various factors, such as excessive oil consumption, misfiring, faulty oxygen sensors, or poor fuel quality. The most common fix for P0420 and P0430 in the Honda Odyssey is to replace the catalytic ...Honda code p0420. Honda odyssey p0420: bank 1 location & dtc code explainedP0420 fix customer comments justrolledintotheshop P0420 diagnosing.. Spark plug non fouler for 05 odyssey, p0420 code Check Details Check Engine Light Code P0420 Honda Odyssey | Americanwarmoms.org Check Details Need help troubleshooting 2005 Honda Odyssey codes P0171 ...What Does the P0420 Code Mean? Diagnostic trouble code (DTC) P0420 stands for “P0420 Catalyst System Efficiency Below Threshold (Bank 1).” It indicates …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 ...The check engine light can be a source of anxiety for many drivers. One common culprit for this warning is the P0420 code, signaling issues with the catalyst system's efficiency. In this blog post, we'll delve into the P0420 code, explore what it means, and discuss its significance for various car makes, including Honda, Ford, Chevy, and Nissan.I 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 ...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. ... Odyclub community is the #1 forum to discuss all things Honda Odyssey: minivans, safety, service maintenance, mods, and more. Show Less . Full Forum ...Jan 12, 2023 ... This process should be similar on the following vehicles: 2011 Honda Odyssey 2012 Honda ... P0420 How To Diagnose A Bad Catalytic ... 9 Solutions to ...A month ago the car threw a p0420 code, and the dealer diagnosed it (using O2 sensor readings mostly I think) as a bad cat. I had the cat replaced. The car had about 158k miles on it when bank 1 cat was replaced, and now has about 161k on it. It is a 2010 odyssey. Yesterday the car threw both P0420 and P0430, indicating both bank 1 and 2 cats. ….

May 19, 2021 · Diagnostic trouble code(DTC) P0420 stands for “P0420 Catalyst System Efficiency Below Threshold (Bank 1).”. It indicates that the exhaust system’s oxygen levels are below the required threshold in Bank 1, which can damage the engine’s exhaust and fuel system. Bank 1 refers to the side of the engine that houses the number one cylinder.Jan 12, 2023 ... This process should be similar on the following vehicles: 2011 Honda Odyssey 2012 Honda ... P0420 How To Diagnose A Bad Catalytic ... 9 Solutions to ...Diagnostic trouble code(DTC) P0420 stands for “P0420 Catalyst System Efficiency Below Threshold (Bank 1).”. It indicates that the exhaust system’s oxygen levels are below the required threshold in Bank 1, which can damage the engine’s exhaust and fuel system. Bank 1 refers to the side of the engine that houses the number one cylinder.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.This page is meant to help you troubleshoot the Honda Odyssey P0430 trouble code. It covers the P0430 code's meaning, symptoms, causes, and possible solutions. P0430 is an emissions-related trouble code and is virtually never a breakdown risk. ... If the code changes to P0420, that would indicate that one of the O2 sensors is …Aug 4, 2020 · 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 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 ...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.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 ... P0420 honda odyssey, I am getting (2) abs codes on a 2011 honda odyssey (3.5l): 83-1 and 26Odyssey honda 2000 Honda odyssey wiring diagram 2007Check engine light code p0420 honda odyssey. 44a9 a930Odyssey honda start Odyssey p0420 converter exl 5at oddy a00 rgl nav. Check Details Check Details. 2007 HONDA ODYSSEY Service Repair Manual. Check Details, 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..., 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 ..., 2001 Ody 93k Miles. Check Engine Light and TCS light came on during a trip to Ohio from Virginia on the PA Turnpike two days ago. The TCS light went off upon arrival, but the Check Engine Light stayed on. On return trip checked the codes. P0420 points to the catalyst (which I had worked on last November covered by Honda)., CEL codes P0401 & P0420 - Replaced EGR & CC. Jump to Latest Follow ... Honda Odyssey Forum. 1.1M posts 412.7K members Since 2000 Odyclub community is the #1 forum to discuss all things Honda Odyssey: minivans, safety, service maintenance, mods, and more. ..., Help with P0420 code for 2001 Honda Odyssey . I inherited this 2001 Honda Odyssey from my parent's friend's dad. It was 142000 miles when I got it. I was impressed by how clean the engine, exterior, and interior was. It is like he never drove it. I have all the maintenance documents and damn.... this owner was on schedule!, And, for us, the p0420 honda odyssey a charismatic high-pitched growl and an 8.9s 0-60mph time but the p0420 honda odyssey for outright handling prowess - it's hamstrung by a front-drive layout, for a car that tries to encourage just such a short period? It took fully fourteen years for Honda UK says 229 Insights have been CR models before from ..., Vsa lights and engine light comes on. also emission lights comes on. code reads P0301, P0420, P0302, P0303, P0300. - Answered by a verified Mechanic for Honda. ... 2006 honda odyssey check engine light came on had the car scanned codes p0300 p0301 p0302 p0303 p0304 p0306 and p0170 came up, ..., 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 ..., 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., 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., 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 more, 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., Honda Odyssey Generation Forums. 1999 - 2004 Odyssey. P0420 after trans filter today. 3559 Views 27 Replies 7 Participants Last post by paulgoh, Aug 8, 2007. Riggs Point ..., 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., Difference in engineOdyssey honda start Engine failure3.5l sohc 24v vtec v6 2001 honda odyssey engine. 2008 honda odyssey service repair manualCheck engine light code p0420 honda odyssey Odyssey code a123 maintenance honda techHonda code odyssey p0730 engine solenoid p0700 accord 2000 check p1457 light codes evap system valve bypass source., 5 years 6 months ago #24757. 2006 Honda Odyssey EX 3.5 - P0420 was created by John Clark. Working on a 2006 Odyssey EX with the J35 (no VCM.) 160K on the clock and it has a P0420. That's the easy part. The harder part is the "why" it has a P0420. About 25K ago I put four O2 sensors in this car which solved a bit of what the customer …, 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). SYMPTOM, My parents have 2008 Honda odyssey that is throwing po400 and po420 with a awful eye watering smell and struggles to get into the last gear around 45 mph, and I'm not sure want is wrong with it. They took it to a Honda dealer and they said the cat's need to be replaced so my parents replaced the one in the front (they assume its bank one) of ..., MIL came on recently. DTC pulled was "P3400". There was a problem with the oil pressure sensor on the rocker arm. Fairly common issue. Before replacing the sensor- CHECK OIL LEVEL... Low oil will throw this code also. More info - Switching It Up! Honda Oil |Pressure Switch Issues - ALLDATA. Part is $20-30., P0507 Honda Code Definition: Idle Control System RPM Higher Than Expected. Having a P0507 code indicates that the idle control system is running at excessively high speeds – this is also called a ‘high idle.’. A vehicle’s Engine Control Unit (ECU) must maintain a specific RPM range when it is idling – that is when it is not moving., 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 ..., 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 …, A month ago the car threw a p0420 code, and the dealer diagnosed it (using O2 sensor readings mostly I think) as a bad cat. I had the cat replaced. The car had about 158k miles on it when bank 1 cat was replaced, and now has about 161k on it. It is a 2010 odyssey. Yesterday the car threw both P0420 and P0430, indicating both bank 1 and 2 …, Aug 28, 2020 · In 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..., To diagnose the P0141 2004 Honda Odyssey code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour., Business, Economics, and Finance. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. Crypto, 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., P0420 & p0430. Tags ... 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., 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 …, 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 ..., 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., P0420 definition : Catalyst system efficiency below threshold (Bank 1) Issue Severity: MODERATE - Extended driving with this code can cause internal engine damage. Repair Urgency: Get this code fixed as soon as possible to avoid further damage to your emission system and possible engine damage. Diagnosis: The most common cause of P0420 is a ...