i have a Acura integra standard Ls 91 stock b18 motor, and when i was driving the car uphill and…

i have a Acura integra standard Ls 91 stock b18 motor, and when i was driving the car uphill and suddenly it lost a lot of power, there was a bit of oil in the spark plug chambers, it has a radical idle and the car sounds really rugged, ive already tightened the fast idle it helped but its still idling / sounds awful any tips ?

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