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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 148 (Engine Control System Diagnosis - 1.6L (3 Of 3)) >> DTC P1233-00: Low Pressure Fuel System - High Deviation Between Target And Current Pressure >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
Trouble Shooting Condition Possible Cause
Main Action
  • Monitor the fuel pressure sensor's signal
  1. Poor Connection
  2. Poor connection or leakage of fuel line
  3. Open stuck of over pressure relief valve (OPV)
  4. Fuel pressure sensor
Prerequisite Condition
  • Target fuel pressure is higher than 250 kpa and lower than 600 kpa
Threshold value
  • The deviation between target and actual fuel pressure is higher than 100 kPa (14.5 psi)
Diagnostic Time
  • 10 sec
MIL
  • NO MIL
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