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 MANUALSMAZDA2001626 ES V6-2.5L DOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCRANKSHAFT POSITION SENSORDESCRIPTION AND OPERATION
2001 Mazda 626 ES V6-2.5L DOHC
Crankshaft Position Sensor: Description and Operation
2001 Mazda 626 ES V6-2.5L DOHCSECTION Description and Operation
- The magnetic pickup type crankshaft position sensor is located near the crankshaft pulley.
- The crankshaft pulley has a total of 35 teeth spaced 10 degrees apart with one empty space for a missing tooth.
- The crankshaft position sensor detects the pulley rotation signal (NE signal), and outputs it to the PCM.
- Since the NE signal is detected directly by the crankshaft rotation, accuracy is high and is not influenced by timing belt looseness or camshaft pulley misalignment.
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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.