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Home >> Cadillac >> 1992 >> Seville Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Pcm Code Charts >> Pcm Code E030, ISC Rpm Out Of Range >> Description

Pcm Code E030, ISC Rpm Out Of Range: Description

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PCM controls engine idle by increasing or decreasing throttle opening using Idle Speed Control (ISC) motor. ISC controls idle speed any time throttle switch is closed. PCM Code E030 detects engine RPM out of limits.