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2014-2018 MAZDA MAZDA3

2.5L I4FWDAUTOMATICgas
20 active safety recalls on this vehicle — view recalls
Repairs0Labor595Torque4687Fluid6DTC917Battery0Maintenance0Recalls20
P0342high severityPowertrain

Camshaft Position Sensor A Circuit Low Bank 1

on 2014-2018 Mazda Mazda3 2.5L I4 · FWD

What this code means

Low or no signal from CMP sensor A Bank 1.

Symptoms

  • Check Engine Light
  • Hard starting
  • No start

Common causes

  • Faulty sensor
  • Short to ground
  • Wiring issue

Diagnostic steps

  1. Test sensor
  2. Check for shorts
  3. Inspect wiring

Repair notes

Replace sensor or repair wiring.

Other Powertrain codes on this vehicle

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