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.
2012 Mazda 2 L4-1.5LFACTORY OEM SERVICE PROCEDURE
Spark Plug
SPARK PLUG
Spark plug type DENSO SK16PR-E13, DENSO K16PZR13
Spark plug gap (DENSO SK16PR-E13)
Standard 1.2-1.4 mm {0.047-0.055 in}
New spark plug (reference) 1.2-1.3 mm {0.047-0.051 in}
Spark plug gap (DENSO K16PZR13)
Standard 1.2-1.3 mm {0.047-0.051 in}
Tightening torque 15-22 Nm {1.6-2.2 kgf-m, 12-16 ft-lbf}
Spark plug type DENSO SK16PR-E13, DENSO K16PZR13
Spark plug gap (DENSO SK16PR-E13)
Standard 1.2-1.4 mm {0.047-0.055 in}
New spark plug (reference) 1.2-1.3 mm {0.047-0.051 in}
Spark plug gap (DENSO K16PZR13)
Standard 1.2-1.3 mm {0.047-0.051 in}
Tightening torque 15-22 Nm {1.6-2.2 kgf-m, 12-16 ft-lbf}
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.
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