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 contaminates 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]
Unleaded : ILFR5B11
Leaded : LFR5A


ON-VEHICLE INSPECTION

INSPECT SPARK PLUG
1. Inspect the electrodes(A) an ceramic insulator(B).




INSPECTION OF ELECTRODES





2. Check the electrode gap (A).

Standard : 1.0 - 1.1 mm (0.0394 - 0.0433 in.)