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  1. Problems and Concerns
    I have a 2007 Honda Odyssey. Check engine codes are as follows: P0420: Catalytic converter system, bank 1 - efficiency below threshold P0430: Catalytic converter system, bank 2 - efficiency below threshold P0455: Evaporative emission (EVAP) system - large leak detected P0300: Random/multiple...
  2. 2011 - 2017 Odyssey
    Hey guys! Our 2012 Odyssey has 167k miles on it and might be showing signs of its impending death. We've had 10 years of issues with this van, most were fixable, but this one seems to be giving me and our mechanic a run for our money. A few months ago, we started to notice the van running...
  3. Problems and Concerns
    I purchased a 2012 Honda Odyssey in April 2021 with 137k miles on it. The vehicle had no accidents or major repairs at this point. Immediately after purchasing the vehicle my wife was driving at highway speeds when the check engine light started flashing. I towed it to Honda and ended up with...
  4. 2005 - 2010 Odyssey
    Hi all, 2008 Odyssey EX-L, 180k, My mechanic said the sensor to the front cat basically exploded and ruined the car too. His solution was to pull the sensor and solder/weld the port in the catalytic converters the sensor goes too. It’s running great, and I’m not worried about failing smog. My...
  5. 2011 - 2017 Odyssey
    2011 Odyssey 190K miles. We have had this vehicle to the dealer and other shops to try to fix this issue where the Check Emissions light comes on and can't get it to reset without taking it to the dealer to use his special reset scan code tool. The error codes are PO420 and PO430 these are Bank...
  6. 2011 - 2017 Odyssey
    Hi all, I have this old old 2011 honda odyssey that has nearly 300k miles. How I can have 300k miles on a 12 year old car? I travel a lot. The service engine light came on frequently in the past few weeks. I read the code with my OBD-2 reader. It's P0430. Oddly, there's one permanent P0430...
  7. 1999 - 2004 Odyssey
    Seeking recommendations for an anti-theft catalytic converter solution for Honda Odyssey 1999. I call a Honda Service business, and they perform painting catalytic converter with orange hi-temp paint and etch VIN number. I am skeptical that the paint is making much of a difference. I am...
  8. 2011 - 2017 Odyssey
    Seven years ago I bought a new 2015 Ody, because tired of 2 previous Chrysler Town/country Engine/trany failures around 100K mi. Well, after 7 years and 94K mi of faithful performance my 2015 Ody, for the first time about 3 months ago gave a P0303 misfire. Local mechanic changed plugs (first...
  9. 1999 - 2004 Odyssey
    My Ody'02 is parked outside in Visalia California for a few days and its cat is stolen. This is the second time the thieves laid their hands on it. Two years ago they cut off the connection pipe to the muffler but failed to cut off the front pipe. But this time they cut off the front pipe closer...
  10. 1999 - 2004 Odyssey
    Hi Hondakins! I have two 2002 Odysseys, and need to change the cat converter on one, by using the other one. I have a manual on cd plus the Hayne's repair book. My questions are: 1) tricky or difficult things to know or look out for? 2) feasible for one person to do with typical auto tools...
  11. 2005 - 2010 Odyssey
    Hello friends. I have recently pulled a catalytic convertor code on my '06 Odyssey. Just to be sure I cleared the code and within a few days it showed up again. My scanner said most often caused by a fuel trim running too rich on the same bank. So it looks like I am going to have to put a new...
  12. 2005 - 2010 Odyssey
    I have 2009 Odyssey with 140,000 miles. Check engine light came on. Dealer says I need a catalytic converter. Seems odd to me as the 3 previous Chrysler mini vans I had and drove to 250,000+ miles never needed to replace the cat. converter. Any thoughts? Is this normal? Also, my Honda dealer...
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