Originally Posted by achien
if you 'push' your engine (i.e. WOT, or to Redline), it will misfire, stutter, and engine light will come on.
drive like a granny and your engine may not know it needs carbon cleaning.
I didnt mean search for my post only. I meant search and an abundant amount of information will pop up which will answer the OP's questions. Forgive me tho i guess the answers werent answered LITERALLY on my poll, but the search still stands...