Ask lang po if you had experience already good idling yung vios but poor acceleration when running no matter how you push the throttle pedal? We already replaced a new fuel pump pero ganoon pa din po ang problema. Unless apakan ng todo (deep press) yung gas pedal dun pa palang mag-accelerate. Pinacheck na rin po namin yung ECU pero normal naman po ang result. MAF sensor, Oxygen sensor and throttle position sensor pinacheck na din po kaso same problem pa din. Any idea po para masolve yung problem? salamat po