Optima L4-2.4L (2001)
Oil Filter: Technical Service Bulletins
Engine - Low Oil Pressure Warning Light ON at Low Speed
SOURCE: KIA Technician Times Volume 8 Issue 2, 2005
TITLE: Low Oil Pressure Warning Light
APPLIES TO: Optima 2.4L
SERVICE TIP:
If you encounter a 2.4L Optima with an oil pressure warning lamp that illuminates at idle or during slow speed turns, be sure to check engine oil pressure
at cold start, as well as, when the engine is fully warmed up. Typically, you should see approximately 65 psi cold and 10-12 psi at operating temperature.
If these values are not met, inspect vehicle for the presence of an aftermarket oil filter. Results from the field have shown that the use of some
aftermarket oil filters can result in lower than normal pressures and warning lamp illumination. If present replace the suspect filter with a genuine Kia Oil
Filter P/N 26300 35501 and retest.
