Common Symptoms
- Check Engine Light illuminated
- Hard starting or extended cranking
- Rough idle or engine stalling
- Poor fuel economy
- Engine may run in limp mode with reduced power
- Hesitation or misfire during acceleration
Most Likely Root Causes
- Faulty camshaft position sensor
- Damaged or corroded wiring harness to camshaft sensor
- Short circuit to voltage in sensor wiring
- Failed engine control module (ECM)
- Poor electrical connection at camshaft sensor connector
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Component Location
Camshaft position sensor is typically mounted on the cylinder head near the camshaft or timing cover on Bank 1.
Manufacturer Notes
Some manufacturers require camshaft sensor relearn procedures after replacement or battery disconnection to restore proper timing reference.
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