Remove the ignition coils (A).
Disconnect the injector connectors for fuel not to be injected while checking.
Using a spark plug socket, remove the spark plug.
Install the spark plug to the ignition coil.
Ground the spark plug to the engine.
Check if spark occurs while engine is being cranked.
Do not crank engine for more then 5~10 seonds.
Inspect all the spark plugs.
Using a spark plug socket, install the spark plug.
Install the ignition coil.
Tightening torque :
9.8 ~ 11.8 Nm (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 Ib-ft)
Reconnect the ignition coil connector.
Remove the ignition coils (A).
When removing the ignition coil connector, pull the lock pin (A) and push the clip (B).
Using a spark plug socket, remove the spark plug.
Be careful that no contaminates enter through the spark plug holes.
Inspect the electrodes (A) and ceramic insulator (B).
Condition | Dark deposits | White deposits |
Description | - Fuel mixture too rich - Low air intake | - Fuel mixture too lean - Advanced ignition timing - Insufficient plug tightening torque |
Check the electrode gap (A).
Standard
Unleaded : 1.0 ~ 1.1 mm (0.0394 ~ 0.0433 in.)
Measure the primary coil resistance between terminals (+) and (-).
Standard value: 0.75Ω ± 15%