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  1. 2011 - 2017 Odyssey
    My 2012 EX-L with 55K started acting sluggish in low speeds and check engine light & VSA light came on. Dealer pulled code P0302 and says spark plugs and piston rings need replaced. I found out in this great forum there was a class action lawsuit on the VCM issue, which appears to be the...
  2. 2011 - 2017 Odyssey
    I'm going to pick up this van (2012 Honda Odyssey one owner 165,000 MI) it was a local trade in due to a check engine light that the owner did not want to mess with. The dealer put $2,900 of work into the vehicle (documents attached). Do you think the vehicle needed piston rings because of the...
  3. 2005 - 2010 Odyssey
    This thread will explain all the key details regarding VCM. Rather than re-explaining VCM to every new forum member, they can simply be directed here. While there will be plenty of discussion in this thread, this first post contains the key information, so reading the rest of the thread (many...
  4. 2005 - 2010 Odyssey
    First time poster here. I'm on vacation and my 2008 Odyssey EX-L's check engine light starts flashing and I feel slight vibrations. Mechanic says cylinder 1 is misfiring and replaces cylinder 1's coil pack and spark plugs. Did a compression check and the cylinder passed with flying colors. I...
  5. 2011 - 2017 Odyssey
    Hello, Just purchased a 2012 Ody EX-L with 64k. I keep coming across comments/videos about VCM or transmission issues with these vans. Not sure how prevalent the issues are, but before the potential wallet-ache, I'd like to ask the community about preventative measures, if any, to help prolong...
  6. 2011 - 2017 Odyssey
    So, recently our Ody 2011 EXL was having issues for the first time that I see many have struggled with. I've read a lot here in the forums and ordered a VCM Tuner II. Should be arriving any day. A month or so ago, we felt a misfiring cylinder and the engine light come on. It went away and then...
  7. 2005 - 2010 Odyssey
    Hey guys! Is it possible to install the J35A6 non-vcm AC bracket and serpentine belt mechanical tensioner on a J35A7 VCM engine??. My vcm is deactivated (vcmtuner). I'm just tired of being scared of that bolt breaking everytime i need to remove and reinstall the hydraulic tensioner. From the...
  8. 2005 - 2010 Odyssey
    2010 Odyssey EXL Hi everyone. My front spool valve was externally leaking oil on the front of the engine, so I replaced the 2 gaskets with some crappy Chinese ones (I couldn't find any decent brands), which stopped the leak. After 2 or 3 drives in the Odyssey, the check engine light came on for...
  9. 2011 - 2017 Odyssey
    Anyone have any experience with using the "AST Smart ECO VCM Modules" from Aperture Science + Technology? There is a single resistance model and a variable resistance model.
  10. General Discussion
    Hey guys, I just installed the VCM tuner 2 but I seem to be having 2 problems. The idle seems a bit rougher than it was pre-VCM (can feel it more through the pedal) and the second is when I lightly accelerate the revs seem to go up then come back down with constant gas pedal pressure. It is...
  11. 2005 - 2010 Odyssey
    I’ve heard of many people talking about how bad the VCM is on the Honda 3.5’s. So basically, ? it can cause: Oil consumption Quickly worn out engine mounts Vibrations Fouled spark plugs Are these pretty much all of the symptoms or am I missing something? This does not seem like a big deal; I...
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  12. 2011 - 2017 Odyssey
    Hi Guys, Code for Cat is P0430 I have a 2012 ody and just a few months ago at 144k the engine started misfiring. Did some research found it was "faulty piston rings" (burning oil and fouling plugs) brought it to the dealer and after a month-long hassle, I got it fixed under warranty. Now 2k...
  13. 2005 - 2010 Odyssey
    My 2006 exl (the fishvan) has been down for over a year. Im pretty sure the problem is at least one of the catalytic converters, and i believe the problem was cause by the vcm. The van makes a clicking/rattling noise that seems cyclic with the engine til about 2600 rpm. Then kinda fades away. I...
  14. 2011 - 2017 Odyssey
    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. I let my...
  15. 2005 - 2010 Odyssey
    Hi all, A quick google search did not turn it up, so any idea why this would be missing? And where can I get one? Cant get the drain plug out either and I have had 4 odyssey that have went 300k each since 2001.... this is from a new to me 2007 EX that has had a lot of things replaced on it...
  16. Problems and Concerns
    I bought a 2015 CPO Elite about two years ago from a Honda dealer outside NYC. It had only 22k on it in 2018. I'm in Maryland, but was hard pressed to find a used car with what we wanted and needed in short order so made the drive. Car was checked out by an indy and I drove it home and it did...
  17. 2005 - 2010 Odyssey
    Here are the details. I was travelling on the highway and was approaching a fairly large uphill. I made the mistake of leaving the car on cruise control at around 105 km/h (66mph) and the van downshifted hard. Right after that happened, the check engine light started blinking (misfiring). I...
  18. 2005 - 2010 Odyssey
    At the beginning I wanted to say hi to everyone, I have Honda Odyssey, 2008, EXL version, 89,000 miles. Well-kept. Cool and pretty :) I have read the information and want to set up a muzzler to disable VCM. I would like to ask you, what are the differences between the two versions that are...
  19. 2005 - 2010 Odyssey
    Hi All, Currently driving a 2007 EXL with 277K miles, would like to get a newer model with lower mileage. Seems like the 2010 is in my price range, looking at a 2010 EXL with leather and entertainment (problem with the radio only goes to 3 on volume knob and no sound. can't seem to find this in...
  20. 2005 - 2010 Odyssey
    Hello everyone. my wife and i just bought a 2009 Odyssey EX-L with 84,000 miles on it. First would like to thank you for your comments in this forum. Very helpful when looking to buy our van. second, wondering if someone could help me with the info for the muzzler I need to shutdown/bypass the...
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