What does code P1402 mean on Mazda vehicles?
A malfunction has been detected in the EGR valve position sensor circuit.
OBD-II Code Mazda
P1402 — Mazda — EGR Valve Position Sensor Circuit
A malfunction has been detected in the EGR valve position sensor circuit.
Common symptoms
- Rough idle
- drivability issues
Possible causes
- Faulty EGR position sensor
Initial recommendation
Check EGR valve position sensor and wiring.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
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