Common Symptoms
- Engine cranks but will not start
- Engine stalls randomly while driving
- Rough idle or engine misfires
- Check Engine Light is illuminated
- Poor acceleration or hesitation
- Tachometer reading erratic or not functioning
Most Likely Root Causes
- Faulty crankshaft position sensor
- Damaged or corroded sensor wiring harness
- Sensor connector corrosion or poor connection
- Timing belt or chain misalignment affecting reluctor wheel
- Debris or metal shavings on sensor tip or reluctor wheel
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Component Location
The crankshaft position sensor is typically mounted on the engine block or timing cover near the crankshaft pulley or flywheel.
Manufacturer Notes
Some manufacturers have specific air gap requirements between the sensor tip and reluctor wheel that must be maintained for proper operation.
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