2011 Mazda 2 L4-1.5LFACTORY OEM SERVICE PROCEDURE

Spark Plug: Service and Repair




SPARK PLUG REMOVAL/INSTALLATION [MZR 1.5]

CAUTION:
- If a spark plug that is not as specified is installed, engine performance will be deteriorated. Install only the specified spark plug when replacing.

1. Disconnect the negative battery cable.

CAUTION:
- Removing the fresh-air duct from the air cleaner case may damage the fresh-air duct. Remove the fresh-air duct and the air cleaner case as a single unit except when the fresh-air duct is to be replaced with a new one.

2. Remove the fresh-air duct and air cleaner as a single unit. Service and Repair

3. Remove the ignition coils. Service and Repair

4. Remove the spark plugs using a plug-wrench.

5. Install in the reverse order of removal.

Tightening torque
- 15-22 Nm {1.6-2.2 kgf-m, 12-16 ft-lbf}

Factory Service Tools

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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.

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