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.
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HOMESERVICE MANUALSMAZDA2005MX-5 MIATA L4-1.8L DOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCRANKSHAFT POSITION SENSORSERVICE AND REPAIRCRANKSHAFT POSITION (CKP) SENSOR
2005 Mazda MX-5 Miata L4-1.8L DOHC
Crankshaft Position (CKP) Sensor
2005 Mazda MX-5 Miata L4-1.8L DOHCSECTION Crankshaft Position (CKP) Sensor
CRANKSHAFT POSITION (CKP) SENSOR REMOVAL/INSTALLATION
1. Disconnect the CKP sensor connector.
2. Remove the undercover.
3. Remove the CKP sensor installation bolt.
4. Install in the reverse order of removal.
Tightening torque
7.9 - 10.7 N.m {80 - 110 kgf.cm, 69.5 - 95.4 in.lbf}
5. Reconnect the CKP sensor connector.
NOTE: Do not forcefully pull the wiring harness of the CKP sensor.
6. Adjust the air gap. (See CRANKSHAFT POSITION (CKP) SENSOR ADJUSTMENT [BP, BP WITH TC].)
1. Disconnect the CKP sensor connector.
2. Remove the undercover.
3. Remove the CKP sensor installation bolt.
4. Install in the reverse order of removal.
Tightening torque
7.9 - 10.7 N.m {80 - 110 kgf.cm, 69.5 - 95.4 in.lbf}
5. Reconnect the CKP sensor connector.
NOTE: Do not forcefully pull the wiring harness of the CKP sensor.
6. Adjust the air gap. (See CRANKSHAFT POSITION (CKP) SENSOR ADJUSTMENT [BP, BP WITH TC].)
RENDER: 1.0x
NO RELATED
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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.