2006 Mazda 6 MazdaspeedFACTORY OEM SERVICE PROCEDURE

DTC P0192: Notes

DTC P0192 DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0192 Fuel rail pressure sensor circuit low input
DETECTION CONDITION 
  • If the input voltage from the fuel pressure sensor is less than 0.19 V  for 1.3 s  , the PCM determines that the fuel pressure sensor circuit is low.

Diagnostic support note 
  • This is a continuous monitor (CCM).
  • The MIL illuminates if the PCM detects the above malfunction condition during first drive cycle.
  • FREEZE FRAME DATA is available.
  • DTCs are stored in the PCM memory.
POSSIBLE CAUSE 
  • Fuel pressure sensor malfunction
  • Short to ground in wiring harness between fuel pressure sensor terminal B and PCM terminal 1V
  • Connector or terminal malfunction
  • PCM malfunction
G04324109Courtesy of MAZDA MOTORS CORP.
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.