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Feb 12, 2021 ... How To Diagnose a Bad Catalytic Converter: • P0420 How To Diagnose ... Does Lacquer Thinner Clean Catalytic Converters?: • Does Lacquer ...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.Caught mine before P0420 set ... 2010 Honda Odyssey EX-L - Driven in "Mexico" 2017 Honda Odyssey TE - Voided warranty before delivery. Save Share. Like. 41 - 49 of 49 Posts. 1 2 3. This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.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.So I got the dreaded P0420 code for my check engine light. I replaced the affected O2 sensor and was problem free for a few months, but now the check engine light is 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.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.Tech Notes. As the code description implies, the P0420 code means that the vehicle's Powertrain Control Module (PCM) has detected that the Three-way Catalyst Converter is not working properly (it is not as efficient as the factory expects). Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases, the Three-way Catalyst ...P0420 toyota prius trouble code top causes2005 honda odyssey p0420 bank 1 Honda pilot p0420 bank 1Total 51+ imagen p0420 honda bank 1 location. Sensor location p0420 p0172 code o2 p0430 bank1 ridgeline locations honda sensor2 only 2008 rear mpg preventative maintenance located questionHonda odyssey a17 code How to fix honda p0420 engine code in ...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...In a case like this that doesn't have a clear cause, I'd be inclined to let a Honda dealer diagnose the problem using proper test procedures and the appropriate test equipment. Previous owner of 2007 RTL, 2010 RTL, 2014 SE, 2017 RTL-E, 2019 RTL-E, and 2021 RTL-E. ... It has been my experience that everytime a P0420 code is thrown, the automatic ...It was a P0420. After reading this forum on the P0420, I'm hoping someone can help me out for clarity's sake. The AZ guy reset the computer and the light went out. Two tanks of gas later the check engine light has yet to come back on. ... Odyclub community is the #1 forum to discuss all things Honda Odyssey: minivans, safety, service ...John Clark. 14166 posts · Joined 2008. #2 · Apr 2, 2018. P0137 is Rear Secondary HO2S (Bank 1, Sensor 2) Circuit low voltage. That is the rear, downstream of the catalytic converter, O2 sensor. It's not difficult to change but the clips that hold the wires can be quite tricky to unlock from their stays.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 ...P0420 Honda Odyssey - 0 votes . 702 views. asked Jul 30, 2017 by Dan. ... Vehicle: 2001, Honda Odyssey 3.5 check-engine-light; 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 drive it ...Feb 11, 2024 ... Go to channel · Honda Odyssey VVT Solenoid/Upper Spool Valve Replacement for oil leak by dipstick. TSB20-023. Belac a Llots•18K views · 34:45.Unfortunately, the P0420 is a fairly straight forward code, and a fairly common problem. This code points to a failing Catalytic Converter for Bank-1. This is the side of the engine closest to the windshield. For an image location view, click here: https://bit.ly/3dkpW6P.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.What Does The P0420 Code Mean? The P0420 code indicates that the Engine Control Module (ECM) has identified a decline in the efficiency of the catalytic …P0420 woes Rick, I'm having the same troubles. ... Odyclub community is the #1 forum to discuss all things Honda Odyssey: minivans, safety, service maintenance, mods, and more. Full Forum Listing. 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May 4, 2018 ... Here is an overview of removing the bank 1 and bank 2 catalytic converters on a honda odyssey ... Honda Odyssey: No Power At All ... Honda P0420 & ...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 ...PCM P0301 indicates enough misfire events on cylinder 1 for the powertrain control module (PCM) to store the misfire code. There is a misfire in cylinder 1 or a randomly occurring misfire. If there are no leaks in the intake, check the spark plugs for cylinder 1 and replace them if necessary. It may be necessary to perform more tests to ...Definition and meaning of a Honda P0430: Catalyst System Efficiency Below Threshold Bank 2 Diagnostic Trouble Code as well as fixes. Causes of a Honda P0430 ...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 ...

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.Honda Odyssey Ownership. Problems and Concerns ... Codes P0172 and P0420. Jump to Latest Follow 13K views ...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 ...…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Deactivate Honda VCM in 3.5L V6 SOHC engines. The S-VCM Controller i. Possible cause: RIP: 2001 Odyssey EX 235K miles, 77K miles on the 1st transmission, 30K .