ABS HECU Replacement Due to Hesitation Concerns – 2012-2013 Kia Optima

PS422   SUBJECT: ABS HECU REPLACEMENT DUE TO HESITATION CONCERNS   When addressing customer concerns regarding hesitation from the vehicle on hard acceleration, test drive the vehicle to verify the concern. Prior to test driving the vehicle, eliminate common Electronic Stability Control (ESC) trigger factors such as excessive or unevenly worn tires and slippery road … Read more

Engine Hesitation / MIL Illumination / P0123 – 2001-2006 Kia Optima & 2005-2007 Sportage

SUBJECT: 2.5L/2.7L (Delta) Engine Hesitation / MIL Illumination / P0123   This bulletin provides information relating to an engine hesitation or the illumination of the Malfunction Indicator Lamp (MIL) for P0123 (Throttle Position Sensor / Switch “A” Circuit High Input). Some 2001-2006 Optima (MS) produced between 10-07-2000 ~ 08-31-2005, equipped with the 2.5L or 2.7L (V-6) … Read more