Kia Optima Hybrid: Ignition System / Repair procedures

On-vehicle Inspection
Spark Test
1.
Disconnect the ignition coil connectors (A).

   
When disconnecting the ignition coil connector, pull out the locking pin (A) and then pull out the connector while pressing the clip (B).

2.
Remove the ignition coils (A).

3.
Disconnect the injector connectors (A).

4.
Using a spark plug socket, remove the spark plug.
5.
Install the spark plug to the ignition coil.
6.
Ground the spark plug to the engine.

7.
Check if spark occurs while engine is being cranked.
   
To prevent fuel being injected from injectors while the engine is being cranked, disconnect the injector connector.
Crank the engine for no more than 5 ~ 10 seconds.
8.
Inspect all the spark plugs.
9.
Using a spark plug socket, install the spark plug.
10.
Reconnect the injector connectors.
11.
Install the ignition coils.

Tightening torque :
3.9 ~ 5.9N.m (0.4 ~ 0.6kgf.m, 2.9 ~ 4.3lb-ft)

12.
Reconnect the ignition coil connectors.

Inspect Spark Plug
1.
Disconnect the ignition coil connectors (A).

   
When disconnecting the ignition coil connector, pull out the locking pin (A) and then pull out the connector while pressing the clip (B).

2.
Remove the ignition coils (A).

Tightening torque :
3.9 ~ 5.9N.m (0.4 ~ 0.6kgf.m, 2.9 ~ 4.3lb-ft)

3.
Using a spark plug socket, remove the spark plug.
   
Be careful that no contaminates enter through the spark plug holes.
4.
Inspect the electrodes (A) and ceramic insulator (B).

Inspection Of Electrodes
Condition
Dark deposits
White deposits
Description
Fuel mixture too rich
Low air intake
Fuel mixture too lean
Advanced ignition timing
Insufficient plug tightening torque

5.
Check the electrode gap (A).

Standard value :
1.0 ~ 1.1 mm (0.0394 ~ 0.0433 in.)

Inspect Ignition Coil
1.
Measure the primary coil resistance between terminals (+) and (-).


Standard value: 0.62? ± 10%

Description and Operation

Description Ignition timing is controlled by the electronic control ignition timing system. The standard reference ignition timing data for the engine operating conditions are preprogrammed in the memory ...

Emission Control System

...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Troubleshooting


Troubleshooting Vehicle inspection SYMPTOM CHART SymptomSuspect AreaRemedy (See page)Squeak or grunt-noise from the front suspension, occurs more in cold ambient temperatures-more noticeable over rough roads or when turningFront stabilizer barUnder these conditions, the noise is acceptable.Clunk-noise ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Description and Operation


Description system outline An optimal seat position set by a driver can be memorized in Power seat unit by IMS SW, which enables restoration of seat position set by the driver despite Playing of this function during drive is banned for safety reasons, and it has emergency stop function of restoration ...

© 2022 Copyright www.koptimatfhev.com