AI Diesel Tech
P0349OBD-IISENSOR

Camshaft Position Sensor A Circuit Intermittent (Bank 2)

Common Symptoms

  • Check Engine Light illuminated
  • Engine cranks but may not start or starts with difficulty
  • Rough idle or engine misfires
  • Loss of power or hesitation during acceleration
  • Engine stalls intermittently
  • Poor fuel economy

Most Likely Root Causes

  • Faulty or failing camshaft position sensor
  • Damaged or corroded wiring harness or connectors
  • Intermittent open or short circuit in sensor wiring
  • Poor electrical connection at sensor or ECM
  • Timing chain or belt wear affecting reluctor wheel signal

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Component Location

The camshaft position sensor for Bank 2 is typically mounted on the cylinder head or timing cover near the camshaft on the side opposite the Bank 1 sensor.

Manufacturer Notes

Some manufacturers have known issues with camshaft position sensor connectors becoming loose or corroded over time causing intermittent faults.

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