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Home › Kia › 2017 › Cadenza Technology › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (6 Of 6) › DTC P2540-00: Low Pressure Fuel System Sensor Circuit Range/Performance › DTC Information › DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Fuel pressure sensor signal voltage check
  1. Poor Connector Connection
  2. Fuel Rail Pressure Sensor
Enable Conditions
  • Engine running
  • Battery voltage higher than 11V
  • Target fuel pressure higher than 250kPa and lower than 600kPa
Threshold value
  • The change in the fuel pressure sensor voltage more than 120kPa for 5ms
Diagnosis Time
  • 10s
MIL ON Condition
  • Not indicated (Only DTC memory)
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