P0337Critical SeverityEngine

Crankshaft Position Sensor A Circuit Low Input

What This Means

The crankshaft position sensor is producing a weaker signal than expected. The signal amplitude is below the threshold for reliable detection.

Common Symptoms

Intermittent no-start
Random stalling
Misfires
Check engine light on

Common Causes

Failing sensor
Excessive sensor gap
Damaged wiring
Corroded connector
Reluctor wheel 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.