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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 34 (Engine Control System Diagnosis - 1.6L (1 Of 3) (Except HEV)) >> DTC P008B: Low Pressure Fuel Pressure - Too High >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Circuit continuity check, low
  1. Poor Connection
  2. Blockage of fuel lines
  3. Over pressure relief valve stuck close
  4. Fuel pressure sensor
  5. Fuel pump control module (FPCM)
Enable Conditions
  • Target fuel pressure is higher than 250kpa and lower than 600kpa.
  • Engine Running
  • Battery voltage is higher than 10V
Threshold Value
  • Fuel pressure sensor output voltage is higher 3.7V and lower than 4.75V.
Diagnostic Time
  • 10sec.
MIL ON Condition
  • NO MIL
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