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2012 Honda Odyssey Spark Plug Fouling #5339702 02/03/20 04:55 AM
Joined: Aug 2004
Posts: 21,519
The Critic Offline OP
OP Offline
Joined: Aug 2004
Posts: 21,519
2012 Honda Odyssey, 99K.

I was performing a timing belt service (due to a leaking hydraulic tensioner) and also replaced the spark plugs due to mileage.

The spark plugs on bank #1 appear to have evidence of oil consumption, especially cyl 3. This is also the bank that is used with VCM.

As with most of the VCM equipped Honda’s from this era, this van burns 2-3 qt of oil between 5-6K oil changes with 0w-20.

Will disabling the VCM solve the spark plug fouling issue permanently, or is it too late and this engine simply needs new rings? It is eligible for the piston ring warranty extension, but that warranty expires in a few months.

DE657082-421F-4333-8E32-013CBBA590D1.jpegDBE7F60D-B7DD-4C40-BBAF-E0AE12E8EAA4.jpegF79C8877-BB1C-4885-B0C1-788817A1CFA4.jpeg

2011 Toyota Prius 1.8L - 203K - Valvoline Premium Blue Restore 10W-30
2007 Honda Accord 2.4L - 143K - Valvoline Premium Blue Restore 10W-30
Re: 2012 Honda Odyssey Spark Plug Fouling [Re: The Critic] #5339747 02/03/20 06:42 AM
Joined: Nov 2006
Posts: 22,939
T
Trav Offline
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T
Joined: Nov 2006
Posts: 22,939
Get it in for the warranty, its toast.


ASE L1, Master. Deutsch Meisterbrief.
Re: 2012 Honda Odyssey Spark Plug Fouling [Re: Trav] #5339754 02/03/20 06:56 AM
Joined: Oct 2010
Posts: 1,202
M
mattd Offline
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M
Joined: Oct 2010
Posts: 1,202
Originally Posted by Trav
Get it in for the warranty, its toast.


+1.


2007 Ford F-350 4x4 6.0 PSD

ASE Master, L1, L2
Re: 2012 Honda Odyssey Spark Plug Fouling [Re: The Critic] #5339816 02/03/20 08:25 AM
Joined: Dec 2006
Posts: 9,294
K
KrisZ Offline
Offline
K
Joined: Dec 2006
Posts: 9,294
Those three spark plugs look nasty.


2015 Grand Caravan 3.6L - 35k miles.
2006 Mazda 3 2.0L - 186k miles
Re: 2012 Honda Odyssey Spark Plug Fouling [Re: The Critic] #5339850 02/03/20 09:05 AM
Joined: Aug 2018
Posts: 618
J
jayjr1105 Offline
Offline
J
Joined: Aug 2018
Posts: 618
Get it fixed then disable VCM asap. Will save motor mounts, spark plugs, oil consumption, etc. Head over to odyclub.com for more info. The guy that first made the VCM "muzzler" sells from that site. There is another site too called vcmtuner.com


2013 Mazda 3 - PP 0w20
2005 Honda Odyssey - PP HM 5w20
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