Esteem L4-1590cc 1.6L SOHC 0 MFI 16V (1995)
Spark Plug: Testing and Inspection
1. Pull out high-tension cords by gripping their caps and then remove spark plugs.
2. Inspect them for:
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Electrode wear
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Carbon deposits
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Insulator damage
3. If any abnormality is found, adjust air gap, clean with spark plug cleaner or replace them with specified new plugs.
Spark plug electrode gap "a": 0.7 - 0.8 mm (0.028 - 0.031 in.)
Spark plug type: NGK - BKR6E, NIPPONDENSO - K2OPR-U
4. Install spark plugs and torque them to specification.
Tightening Torque for spark plug: 25 Nm (18.0 lb ft)
5. Install high-tension cords securely by gripping their caps.
