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Home >> Honda >> 2019 >> Passport Elite >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Mechanical / Engine Control System - Service, Testing And Troubleshooting >> Symptom Troubleshooting Index for Viewer >> Cold Fast Idle Too High (MIL Works OK, No DTCs Set)

Cold Fast Idle Too High (MIL Works OK, No DTCs Set)

Diagnostic procedure

Do the PCM idle learn procedure .
Check the idle speed .

Also check for

Intake air leaks

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