i have this problem for like several days that when iam at low rpms like below 2500 to 3000 the cars feels very slow and not pulling as it should be and then when it passes the 4000 it seems to wake up again but also with a lack of power the car is auto tranny 1.6L 2002 why that i thought it was of the are filter so i changed it but it wasnt and sprak plugs it doesnt seem problem of plugs!!!
