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 ...How to fix obd code p0420 on a honda odysseyI have a 2005 honda odyssey with a 3.5l engine. the engine light came 2005 honda odyssey code p0420 bank 1P0420 code honda pilot. Check Details Sensor location p0420 p0172 code o2 p0430 bank1 ridgeline locations honda sensor2 only 2008 rear mpg preventative maintenance located questionThe 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.

redmondjp. welcome! Do some searches on here for that P0420 code and start reading! I would suggest the spark plug non-fouler modification for the secondary O2 sensor which is the one behind the catalytic converter. It has turned off that code for my car for almost three months now (search for "non-fouler").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 ...

everquest class tier list 26 posts · Joined 2017. #1 · Feb 9, 2018. This is my first winter (Wisconsin) with my 08 EXL-RES NAV and for the the past 6-8 weeks it's been throwing P0497 and P145c. I clear them and they come back within days. Prior to this (warmer weather) I could check the incessant "Check Fuel Cap" message (replaced fuel cap, turn until clicks multiple ... how to level up enchanting hypixel skyblockvizio tv stuck on initial setup screen With he light off my mileage has returned to normal. I ended up making another simulator and installing it on my Honda and have never seen the code again (about 1 year now). What I noticed:-never any catalytic converter smell-loss of 1-2 mpg when the P0420 or P0421 code was present-new upstream and downstream O2 sensors didn't appear to help muchHonda Odyssey Generation Forums. 1999 - 2004 Odyssey Can the Catalytic code P0420 be overridden permanently? ... 2000 Odyssey with P0420 code & nothing else! Save Share. Like. 1 1 of 6 Go to page. Go. 6. This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread. ohio cracker barrel locations 3. Subaru & Honda. If you find a P0420 code in your Subaru or Honda, it's most likely the catalytic converter to blame. It can also be caused by an exhaust leak or a bad oxygen sensor. Check for vacuum leaks or other fuel mixture-related engine codes. Check for any exhaust leaks before the catalytic converter. pitbull breeders in marylandchinese buffet mt pleasant misherwin williams source Honda 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.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... craigslist nj parsippany 2012 Honda Odyssey EX-L. 108,270 Miles. Houston, TX. (but the majority of miles were in Southern CA and MA) I had a CEL, using my BlueDriver Bluetooth OBDII Scanner, I pulled Code P0420 - "Catalyst System Efficiency Below Threshold Bank 1" After reading a bunch of posts on this forum, the first suggestion seems to be to replace all 4 …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 … botclient.tkcash app glitch september 2023mytowntv 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...2005 HONDA ODYSSEY. 3.5L. 6 CYL. FWD. AUTOMATIC. 168,000 MILES. I came across your site as I was trying to learn how to solve a problem. I am the original owner of the van listed above. I am looking to solve an issue with the car "burning" too much oil and determining the true cause of a P0420 engine code (Catalyst System below efficiency).