just changed my engine oil and transmission fluid last april 2011.. back then, i noticed a slight problem with acceleration from 1 to 2.. and mahina ang hatak sa umpisa. my mechanic suggested replacing my spark plugs to platinum long tip, which i did.. nag improve naman ng konti. pero ngayon, hirap uli humatak. at mas madalas na sya hirap sa pataas.

my efficiency is at 9.5km/l.. and sa nlex i can run up to 120km naman..

my mechanic suggests overhaul.. but i cant afford that now. any ideas pls?