This video shows how to install the VCM Tuner II for 2007+ Honda vehicles.
The one of the video is a 2013 Honda Odyssey EX-L with 245K miles.
Disabling the ECO function made the van behave much better, with more constant power and I only noticed a loss of maybe 1 mpg.
I checked and compared the spark plugs 4, 5, 6 and number 4 was noticeable carbon fouled. They are NGK Ruthenium ones with 67K miles.
This is the product I bought:
[ Ссылка ]
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