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 MANUALSMAZDA20113 MAZDASPEED, 2.3 3REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 629 (ENGINE CONTROL SYSTEM)ECCENTRIC SHAFT POSITION SENSOR REMOVAL/INSTALLATION
2011 Mazda 3 Mazdaspeed, 2.3 3
Eccentric Shaft Position Sensor Removal/Installation
2011 Mazda 3 Mazdaspeed, 2.3 3SECTION Eccentric Shaft Position Sensor Removal/Installation
WARNING: This page is about a different car, the 2011 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
- When replacing the eccentric shaft position sensor, make sure there is no foreign material on it such as metal shavings. If it is installed with foreign material, the sensor output signal will malfunction resulting from fluctuation in magnetic flux and cause a deterioration in engine control.
- Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [13B-MSP] .)
- Disconnect the negative battery cable.
- Disconnect the eccentric shaft position sensor connector.
- Remove the eccentric shaft position sensor installation bolt and remove the eccentric shaft position sensor.
- Install in the reverse order of removal.
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.