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Diagnose/P0339
P0339Critical SeverityEngine

Crankshaft Position Sensor A Intermittent

What This Means

The crankshaft position sensor signal is cutting in and out. This can cause the engine to stumble or stall without warning.

Common Symptoms

  • Random stalling
  • Intermittent no-start
  • Occasional misfires
  • Engine stumbles

Common Causes

  • Loose sensor connector
  • Intermittent wire break
  • Sensor gap inconsistency
  • Failing sensor
  • Vibration damage

Estimated Repair Cost

$150 – $500
Parts and labor (varies by vehicle and location)
Difficulty:Moderate

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For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.