Optima V6-2.7L (2003)
Throttle Position Sensor: Customer Interest
Engine Controls - Hesitation/MIL ON/DTC P0123
GROUP: Engine
NUMBER: 038
MODEL:
Optima (MS)
Sportage (KM)
DATE: November 2007
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) Delta Engine and some Sportage
(KM) models produced between 10-28-2004 - 05/18/2007 equipped with the 2.7L (V-6) Delta Engine are applicable for this bulletin. Improper throttle
position sensor values may cause the engine to hesitate under loads or cause the illumination of the MIL. To correct for this condition the throttle
position sensor (TPS) has been improved.
Part Number
Repair Procedure: