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Home >> Mazda >> 2006 >> 6 Mazdaspeed >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System L3 With TC) >> DTC P0089 >> Notes
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DTC P0089: Notes

DTC P0089 DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0089 Fuel pressure regulator performance
DETECTION CONDITION 
  • If the fuel pressure average value measured by the PCM exceeds the specification when the camshaft is rotating at a specified rate, the PCM determines that there is a fuel pressure regulator performance problem.

Diagnostic support note 
  • This is a continuous monitor (Other).
  • The MIL does not illuminate.
  • FREEZE FRAME DATA is not available.
  • DTCs are stored in the PCM memory.
POSSIBLE CAUSE 
  • Spill valve control solenoid valve malfunction
  • Connector or terminal malfunction
  • PCM malfunction