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P0337

Crankshaft Position Sensor A Circuit Low Input

2003-2003 Mazda B2300 2.3L I4

High SeverityPowertrainGeneric (SAE)

The 2003 Mazda B2300 is equipped with a 2.3L inline-4 engine. Below you'll find detailed p0337 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.

Description

Low or no signal from CKP sensor.

Symptoms

  • No start
  • Stalling
  • Erratic tachometer

Common Causes

  • Faulty sensor
  • Short to ground
  • Wiring open
  • Corroded connector

Diagnostic Steps

  1. Test sensor signal
  2. Check for shorts
  3. Inspect wiring and connector

Repair Notes

Replace CKP sensor or repair wiring.

Related Codes

P0335Crankshaft Position Sensor A CircuitP0338Crankshaft Position Sensor A Circuit High Input

Other Powertrain Codes

P0337 on Other Vehicles

Common Questions

What does code P0337 mean on a 2003-2003 Mazda B2300?

P0337 stands for "Crankshaft Position Sensor A Circuit Low Input". Low or no signal from CKP sensor.

What are the symptoms of P0337 on a Mazda B2300?

Common symptoms of P0337 include: No start, Stalling, Erratic tachometer.

What causes P0337 on a 2003-2003 Mazda B2300?

Common causes of P0337 include: Faulty sensor, Short to ground, Wiring open, Corroded connector.

Last updated: March 2026

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