Spark Plug: Service and Repair

1998 Suzuki Esteem GLX Sedan Plus L4-1.6LSECTION Service and Repair





SPARK PLUGS
1) Pull out high-tension cords by gripping their caps and then remove spark plugs.
2) Inspect them for:
- Electrode wear
- Carbon deposits
- 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 air gap "a": 0.7-0.8 mm (0.028 -0.031 in.)

Spark plug type: NGK BKR6E DENSO K2OPR-U

4) Install spark plugs and torque them to specification.

Tightening Torque for spark plug 28 Nm (2.8 kg-m, 20.0 lb-ft)

5) Install high-tension cords securely by gripping their caps.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.