OBD-II FAULT CODE
P1402

EGR Metering Orifice Restricted

Reference information for P1402. Because this is manufacturer-specific, confirm the exact definition for the vehicle before using the diagnostic guidance below.

Manufacturer-specific code

This code can have different meanings depending on vehicle make, model and year. Treat the definition below as a reference and confirm it with OEM service information before diagnosis or repair.

PowertrainSystem
EGR / emissionsCategory
MediumSeverity
  • Check Engine light
  • Poor drivability or reduced fuel economy depending on fault
  • Stuck EGR valve
  • Blocked EGR passage
  • Vacuum/control solenoid fault
  • DPFE/position sensor fault
  • Scan all modules and record freeze-frame data before clearing codes
  • Check battery voltage and related fuses
  • Command EGR operation if supported
  • Inspect passages for carbon blockage
  • Clean carbon passages, repair vacuum/control circuit, replace stuck valve or failed sensor after testing
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Disclaimer: Information is provided for general guidance only and may not apply to all vehicles. Always consult a qualified technician.