Optima V6-2.7L VIN 4 (2007)
Spark Plug: Service and Repair
REPLACEMENT
SPARK PLUG
1. Remove the ignition coil connector(A).
2. Remove the ignition coil.
3. Using a spark plug socket, remove the spark plug.
CAUTION:
Be careful that no contaminants enter through the spark plug holes
4. When replacing the spark plug, always use the long reach type spark plug.
(1) Color Marking (Tip)
a. [2.7L]
Unleaded : Yellow Marking
Leaded : Green Marking
(2) Length(Tip-Tip / PT Length)
a. [2.7L]
b. 83.2mm/ 26.5mm
c. Others: The length is different from the specification above.
(3) Part ID
a. [U2.7]
L nleaded : ILFR5B11
Leaded : LFR5A
INSPECT SPARK PLUG
1. Remove the ignition coil connector(A).
