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2004 MAZDA MAZDA3

2.3L I4•FWD•AUTOMATIC•gas
3 active safety recalls on this vehicle — view recalls
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Repairs0Labor564Torque3689Fluid6DTC730Battery0Maintenance0Recalls3
P0235moderate severityPowertrain

Turbocharger/Supercharger Boost Sensor A Circuit

on 2004 Mazda Mazda3 2.3L I4 · FWD

What this code means

Malfunction in the turbo boost pressure sensor A circuit.

Symptoms

  • Check Engine Light
  • Poor boost control
  • Reduced power

Common causes

  • Faulty boost pressure sensor
  • Wiring issue
  • Vacuum hose leak

Diagnostic steps

  1. Test sensor output
  2. Inspect wiring
  3. Check vacuum hoses

Repair notes

Replace boost pressure sensor.

Other Powertrain codes on this vehicle

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