Wow, a couple of those spark plugs look pretty corroded...
I wonder if the difference in the plug condition was due to the DoD feature.... I'm up to about 66k miles....maybe I'll give my plugs a glance one of these days...
I wonder if the difference in the plug condition was due to the DoD feature.... I'm up to about 66k miles....maybe I'll give my plugs a glance one of these days...