Kia reports that some 2001-06 Optima models with 2.5-liter or 2.7-liter engines along with 2005-07 Sportage SUVs with 2.7-liter engines may hesitate under moderate throttle. According to the car maker ...
here are a few more common reasons why a car might hesitate when accelerating from a stop this could include issues such as a clogged fuel filter dirty fuel injectors or a filling fuel pump when the ...