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.
2005 Mazda Tribute 2WD L4-2.3LFACTORY OEM SERVICE PROCEDURE
Spark Plug: Service and Repair
IGNITION COIL-ON-PLUG AND SPARK PLUG
Removal and Installation
1. Disconnect the negative battery cable. See BATTERY DISCONNECT.
2. Disconnect the 4 ignition coil-on-plug electrical connectors.
3. Remove the 4 ignition coil-to-valve cover bolts.
4. Remove the 4 ignition coils.
NOTE: Use compressed air to remove any foreign material in the spark plug well before removing the spark plugs
5. Remove the 4 spark plugs.
6. Use the table and inspect the spark plugs.
7. Adjust the spark plug gap as necessary.
8. Apply a small amount of dielectric grease to the inside of the ignition coil boots before attaching to the spark plugs.
9. To install, reverse the removal procedure.
Removal and Installation
1. Disconnect the negative battery cable. See BATTERY DISCONNECT.
2. Disconnect the 4 ignition coil-on-plug electrical connectors.
3. Remove the 4 ignition coil-to-valve cover bolts.
4. Remove the 4 ignition coils.
NOTE: Use compressed air to remove any foreign material in the spark plug well before removing the spark plugs
5. Remove the 4 spark plugs.
6. Use the table and inspect the spark plugs.
7. Adjust the spark plug gap as necessary.
8. Apply a small amount of dielectric grease to the inside of the ignition coil boots before attaching to the spark plugs.
9. To install, reverse the removal procedure.
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.