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HOMESERVICE MANUALSKIA2010FORTE EX, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM DIAGNOSIS (SULEV) (2 OF 2)DTC P0506: IDLE AIR CONTROL SYSTEM-RPM LOWER THAN EXPECTEDGENERAL INFORMATIONDTC DETECTING CONDITION
2010 Kia Forte EX, Standard

General Information: DTC Detecting Condition

2010 Kia Forte EX, StandardSECTION DTC Detecting Condition
DTC DETECTING CONDITION CHART

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitoring deviation between target idle speed and actual engine speed
  • Restriction in intake or exhaust system
  • Improperly adjusted Accelerator Cable.
  • Contact resistance in connectors
  • Faulty ISCA valve
Enable Conditions
  • Coolant temp. >73°C (163°F)
  • Engine idle status (closed throttle valve & vehicle speed=0)
  • Idle speed controller active (idle status)
  • 11< Battery voltage <16
  • After engine start >20 sec.
  • No relevant failure
Threshold Value
  • Nominal Idle Speed - Engine Speed < 100rpm
Diagnostic Time
  • 21 sec.
Mil On Condition
  • -
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.