Kia Optima: Scheduled maintenance service / Normal Maintenance Schedule - Non Turbo Models
The following maintenance services must be performed to ensure good emission control and performance.
Keep receipts for all vehicle emission services to protect your warranty. Where both mileage and time are shown, the frequency of service is determined by whichever occurs first.
I : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.
*1 : The drive belt should be replaced when cracks occur or tension is reduced.
*2 : If TOP TIER Detergent Gasoline is not available, one bottle of additive is
recommended. Additives are available from your authorized Kia dealer along with
information on how to use them. Do not mix other additives.
*3 : Inspect for excessive valve noise and/or engine vibration and adjust if necessary.
Have an authorized Kia dealer perform the operation.
Scheduled maintenance service
Follow the Normal Maintenance Schedule if the vehicle is usually operated where
none of the following conditions apply. If any of the following conditions apply,
follow the Maintenance Under Sever ...
Maintenance Under Severe Usage Conditions - Non Turbo Models
The following items must be serviced more frequently on cars normally used under
severe driving conditions. Refer to the chart below for the appropriate maintenance
intervals.
R : Replace
I : In ...
Other information:
Kia Optima DL3 2019-2023 Service and Repair Manual: Fuel Delivery System
Fuel pressure test Fuel Pressure Test 1. Release the residual pressure in fuel line. (Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line") ...
Kia Optima DL3 2019-2023 Service and Repair Manual: Fuel Pump Module
Specifications Specification Items Specification Current (A) Max. 6.0 Supply Voltage (V) 12 Fuel Pressure bar 3.3 - 3.7 kPa 330 - ...
