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.
2009 Hyundai Entourage V6-3.8LFACTORY OEM SERVICE PROCEDURE
Spark Plug: Testing and Inspection
On-vehicle 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).
Remove bolt holding down the ignition coil.
Remove ignition coil from engine.
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).
Inspection Of Electrodes
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.