Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2006 Hyundai Azera V6-3.8LFACTORY OEM SERVICE PROCEDURE
Spark Plug: Testing and Inspection
INSPECT SPARK PLUG
1. Remove the ignition coil connector(A).
NOTE: When removing the ignition coil connector, pull the lock pin (A) and push the clip (B).
2. Remove the ignition coil (B).
3. Using a spark plug socket, remove the spark plug.
CAUTION: Be careful that no contaminates enter through the spark plug holes.
4. Inspect the electrodes (A) and ceramic insulator (B).
5. Check the electrode gap (A).
Standard :Unleaded : 1.0 - 1.1 mm (0.0394 - 0.0433 in.)
1. Remove the ignition coil connector(A).
NOTE: When removing the ignition coil connector, pull the lock pin (A) and push the clip (B).
2. Remove the ignition coil (B).
3. Using a spark plug socket, remove the spark plug.
CAUTION: Be careful that no contaminates enter through the spark plug holes.
Inspection Of Electrodes:
4. Inspect the electrodes (A) and ceramic insulator (B).
5. Check the electrode gap (A).
Standard :Unleaded : 1.0 - 1.1 mm (0.0394 - 0.0433 in.)
Factory Service Tools
Use the Manual With the Right Hardware
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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.