Changed the thermostat a week ago after putting it off until it threw an 'insufficient coolant temp' code, and decided to change the plugs since i figured it'd been running too cold for a while.
found two plugs that looked like they were rusty, or even muddy on the outside. the two coils on top of the rusty/muddy plugs had the same gunk on the boots. it doesn't appear to be on the threaded portion of the plug, nor did it appear that the ugly plugs had any different tips than the cleaner ones. i just brakleened the coils clean.
the picture is of one nasty plug, one shiny one.
what gives?
found two plugs that looked like they were rusty, or even muddy on the outside. the two coils on top of the rusty/muddy plugs had the same gunk on the boots. it doesn't appear to be on the threaded portion of the plug, nor did it appear that the ugly plugs had any different tips than the cleaner ones. i just brakleened the coils clean.
the picture is of one nasty plug, one shiny one.
what gives?
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