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.
2004 Mazda MX-5 Miata Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Crankshaft Position (CKP) Sensor Adjustment
- Loosen the CKP sensor installation bolt.
- While moving the CKP sensor, adjust the air gap between the CKP sensor and the four projections on the plate using a feeler gauge.
Specification
- 0.5-1.5 mm {0.020-0.059 in}
- Tighten the CKP sensor installation bolt.
- If not adjusted, replace the plate behind the crankshaft pulley or the CKP sensor. See PLATE REMOVAL/INSTALLATION or CRANKSHAFT POSITION (CKP) SENSOR REMOVAL/INSTALLATION .
Tightening torque
- 7.9-10.7 N.m {80-110 kgf.cm, 69.5-95.4 in.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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