Last post on Dec 07, 2013 at 2:14 PM
You are in the Honda Accord Coupe
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Honda Accord, Coupe
#13 of 24 Re: 2009 Honda Accord Misfire [drdumais]
Sep 09, 2011 (10:30 am)
Had the same trouble about 12 months ago. Honda dealership reworked the head...valve job.. Something to do the factory overtighetened the valves and caused the one cylinder valves to have carbon build up and not close properly or soemthing of that nature..Guys in PAramus NJ were awesome and did a great job..no trouble since then..
#14 of 24 Re: 2009 Honda Accord Misfire [drdumais]
Jul 05, 2012 (8:11 am)
I am having the same problem as described by 'drdumais' with my 2009 Accord V6. In the last 2 months I got the engine check on for the 4th time for the same reason...hit the throttle and car doesnt accelrate but gets very rough. I also had a 2012 Civic, I am a Honda fan so far but never going to buy a Honda product in the future.
#15 of 24 Re: New Member of the Misfire club [kingr]
Jan 15, 2013 (12:00 pm)
I had the same issue, cylinder #3 misfired. I took it to the dealer who told me this was a common problem due to software programming for the VCM. They updated it so that the same cylinders would not always shut down when the VCM was activated. The problem was that the spark plug was fouled. Supposedly, the fix will ensure that different cylinders rotate as the "shut down" cylinders with the VCM thus eliminating the fouling problem. I am a bit irritated that I took the car in for some routine work 2 weeks prior to this and Honda never mentioned this problem or checked the spark plugs. Clearly, they were aware of the issue.
#16 of 24 Re: New Member of the Misfire club [markm1960]
Feb 02, 2013 (7:10 am)
Honda knows they have a problem, software updates completed as a solution to my misfire issue. This did not help same problem came back one month later, misfire on cylinder #3 and all spark plugs fouled. Plugs where only a month old with less than 5k miles on them. Hondas solution with no hesitation for my 09 Accord V6 with 41k miles. REPACE THE ENGINE!! Thank god still under warrantee at least a 6k repair. My first and last Honda.
#17 of 24 Re: New Member of the Misfire club [nomorehondas2]
May 07, 2013 (11:12 am)
After the supposed software fix, 3 1/2 months later that same problem, this time with cylinder #4. I took it in originally with about 65k on it. The dealership said they needed to document engine damage, possible fixes include new piston rings, new pistons or a new lower engine block. They haven't put this in writing but it appears they will step up even though it is out of warranty. They asked me to drive it for another 1k miles and come back in. Research shows this as a chronic problem with no permanent fix. Replacing parts doesn't fix it if the VCM continues to lead to fouled plugs, burned oil and further future engine damage. I just want out. Every time I go on a long trip I wonder if the issue will pop up again. So much for Honda reliability. Has anyone had success in getting them to trade out a V-6 for a comparably valued, newer 4 cylinder? If not, I may find myself trading this one in and getting a new 4 cylinder Accord which leaves a bad taste in my mouth. In good conscious I just can't sell this thing on the street to some unsuspecting person. My care is paid off and I expected it to run well for years to come. Arggh!
#18 of 24 Re: New Member of the Misfire club - Update
May 31, 2013 (7:10 am)
MarkM1960 update - Misfire issues with cylinders 3 and then 4 had me in the oil consumption test loop. Honda came back and offered to replace the short engine block if I'd pay $500 toward the $4,500 fix, (Car was out of warranty). In the meantime, I got to the General Manager of the dealership and Area Vice President) and told them that I was not happy. Honda clearly blew it with this model and the VCM technology was defective. I did not want the short engine block fix because from what I've read on the internet, this doesn't really address the problem, it just kicks the can down the road. So I went another route and challenged them to get me out of the car by making me a great offer on the current Accord and giving me a rock bottom price on a new 2013 Accord EX-L (4). They came through. While I am not happy with Honda Motor Corp, I was pleased with my dealer and how they handled the matter. The new Accord is a huge step up in many ways and the 4 cylinder engine is better than I expected. I just couldn't go with the V-6 (VCM) again. I am glad I went this route. The new Accord is much quieter and more refined. The seats are softer and much better and the annoyingly forward positioned headrests have been reigned in. Honda seems to have really improved the car in most ways. The CVT takes a little adjustment but it is very smooth. The handling is very good but the new electronic steering, while sharp, leaves me with bit of a video game feeling, I go around curves just as well as before but I feel a bit disconnected. Overall however, the car is fantastic. My son remarked on how much quieter it is and how much more comfortable on the road, particularly on concrete - in the old Accord, we learned to stop talking when we hit certain roads as there was no point in trying to do so. While I hate that this VCM/misfire thing happened, I think the 9th generation Accord is leaps and bounds better than the 8th.
#19 of 24 Poor Customer Service
Jun 17, 2013 (5:36 pm)
Alliance Honda of Roanoke Rapids, NC replaced my spark plugs in June 2012 at 96,000 miles. At approximately 114,800 miles on June 10, 2013, I received a "Malfunction Indicator, or Check Engine Light" while on vacation. I took my car to Hall Honda of Virginia Beach on June 11th. Hall Honda ran diagnostics and received P0304, P0305, P0305, P0306, and P0300 misfire codes. Consequently, Hall recommended replacing all spark plugs and installing a PGM-FI Update which I did.
When I contacted Honda USA Customer Service and asked why would spark plugs which should last 100,000 miles fail at 18,000 miles and they informed me that Alliance should have installed a software update when they changed my plugs at 96,000. Please note the Service Advisory Bulletin was not issued until July 2012.
When I contacted Alliance, the service manager was quick to inform me that the warranty on parts was 12 months or 12,000 miles.
Neither Alliance Honda or Honda USA can tell me what is the "root cause" of this problem and no one has offer me any accommodation for the addition expense that I have incurred related to this issue, nor can they give me any objective information on which I can rely on concerning my vehicle's reliability. Consequently, I do not know if this is a design issue or if the software update is "complete" fix. According the other individual who have experienced the problem, the software update does not appear to correst this problem?
#20 of 24 Re: 2009 Honda Accord Misfire [drdumais]
Aug 14, 2013 (2:47 am)
I'm reading different diagnosis with all the same problems on this message board. The problem is this. When the engine switched down to Eco mode, two cylinders shut down to save on fuel mileage. I first noticed foul out plugs at 39,000 miles. The plugs were replaced and the vcm was updated. Was told it fixed the problem. I'm now at 69,000 miles and guess what, same problem. Here is what they don't want you to know.....
When the engine goes into Eco mode the two cylinder heads shut down but the fuel injectors are still dumping fuel into the heads. By dumping raw fuel into the head with out the cylinder firing causes the fuel to be mixed with oil. This gives you a rich fuel/oil mixture causing the engine to run rich and burning the oil at a greater rate. Also burns out the spark plugs. By updating the vcm with newer software only reduces the amount of fuel released from the fuel injectors when switching to Eco mode. The problem will still exist but now your plugs will foul out every 30,000 miles instead of every 15,000 miles.
Having the knowledge of the combustion engine basic operation helps when dealing with the service centers. My block if being replaced due to damage done by misfiring. Hopefully this helps. And no the vcm cannot be shut off. The engine was designed to work with Eco mode.
#21 of 24 Re: 2009 Honda Accord Misfire
Aug 14, 2013 (2:56 pm)
There is no "fix" as the problem is with the VCM technology and Honda can't/won't deactivate the VCM. The big issue isn't even that the spark plugs are fouling, which is irritating enough. The real issue is that oil is getting into the cylinders, wrecking them over time while the engine burns enormous amounts of oil, much of which likely happened without the driver's knowledge, doing further engine damage. The solution offered quietly by Honda seems to be to replace the lower engine block, typically charging the owner $500 of the $4,500 bill. This is often after a number of "oil consumption" tests. Honda Motor Corp's position is that it is normal to burn up to 1 quart of oil per 1,000 miles, which is laughable. In reality, the lower engine block replacement only "kicks the can down the road" as the root problem remains and the issue will rear its head again. The software fix doesn't work, at least it did not do so for me. I had the piston misfire on cylinder #3, got the software update and was back again 3 months later with the same issue on cylinder #4. After extensive research on various forums like this one, I decided to get out of the car. I challenged my dealer to make me a really good offer on a trade, as I could not bring myself to sell the car to some unsuspecting buyer, and then I demanded a really good offer on a new 2013 4 cylinder E-LX Accord. I got $16,200 for the 2009 V-6 (No Nav) with 74,000 miles and bought the new Accord for $25,000 with free rubber floor mats and a cargo net. I financed the difference for 24 months at 0.9% and got $500 back from Honda Credit Company. I am so glad I did. The new Accord is far superior to the old model and I don't miss the V-6, (I would never drive another Honda VCM engine again). The car is much more refined, the seats are comfortable and the car is much quieter. I thought I'd hate a CVT transmission but to my surprise, I don't. The most important thing is the peace of mind, I am no longer waiting for the engine light to come on and for the car to start bucking and kicking due to another cylinder misfire. I am not happy with Honda Motor Company, but my dealership really stepped up to make a bad situation much more tolerable. Good luck.
#22 of 24 See #19 above - Vu Du Man
Dec 05, 2013 (5:24 pm)
Vu Du Man is back! I just went over 125,000 miles and I have to same problem again. I'm taking my car to only Alliance Honda which is the only dealership in town tomorrow. Stay tune, I'll keep you posted.