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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 32 (Engine Control System Diagnosis - 2.0L (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
  • Monitor the fuel pressure sensor's signal
  1. Poor Connection
  2. Blockage of fuel lines
  3. Over pressure relief valve stuck close
  4. Fuel pressure sensor
  5. Fuel control module (FCM)
Enable Conditions
  • Target fuel pressure is higher than 250 kpa and lower than 600 kpa.
  • Engine Running
  • Battery voltage is higher than 10 V
Threshold value
  • Fuel pressure sensor output voltage is higher 3.7 V and lower than 4.75 V
Diagnosis Time
  • 10 sec.
MIL On Condition
  • NO MIL
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