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HOMESERVICE MANUALSHYUNDAI2003XG350 LREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM DIAGNOSIS (2 OF 2)DIAGNOSTIC TESTSDTC P0507: IDLE AIR CONTROL SYSTEM - RPM HIGHER THAN EXPECTEDGENERAL INFORMATIONDTC DETECTING CONDITION
2003 Hyundai XG350 L

General Information: DTC Detecting Condition

2003 Hyundai XG350 LSECTION DTC Detecting Condition
DTC DETECTING CONDITION CHART

Item Detecting Condition Possible cause
DTC Strategy
  • Real engine speed & target engine speed are monitored
  • Poor connection
  • Intake system/Vapor hoses for air leakage or disconnection
  • Faulty ETS system
  • Faulty ETS motor
  • Faulty TPS
  • Faulty Accelerator cable
  • Faulty ETS unit
  • Faulty PCM
Enable Conditions
  • Idle switch: ON
  • Engine coolant temperature > 77°C (170.6°F)
Threshold value
  • (Real engine speed - Target engine speed) > (target engine speed + 200 rpm)
Diagnosis Time
  • Continuous
MIL On Condition
  • 2 driving cycles
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.