stuttering, loses power

[andreasvolvo]

hi, new to this forum so couldnt find the s60 "map" but hope someone can still help me. i have a 2001 S60 with a 140hp 2.4 N/A engine. lately its been chugging like crazy, the engine revs way up but i lose a lot of power and can barely keep 60 km/h sometimes before it shoots away like i got the biggest turbo in the world. sparkplugs, fuel filter and airfilter is 1 year old, and i ran 2 bottles of fuel system cleaner a couple of days ago with fresh gas. no lights or fault codes. MAP sensor replaced yesterday but did not help