Mga sir, need lang opinion. Kase yung MT 2005 1.3E Vios ko parang sinisinok or kinakapos pag nag try ako mag overtake, or basta kapag need ko ng power or mabilis na arangkada. It usually happens kapag 2nd gear pataas. Para bang may nag brake yung lakas nung force nung sinok/hesitation.

Here's what I've done but still same problem:

80k PMS sa Toyota last April 2012

-Replaced all fluids
-Replaced all filters, fuel, oil, air
-Replaced Spark Plugs

sa banawe nagpatingin ako:
-Checked throttle body malinis naman daw
-replaced Spark plugs with diff heat range, ganun pa din mga sir!

need help lang