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Home >> Cadillac >> 1991 >> Seville STS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Diagnostic Tests >> Pcm Code EO30, ISC Rpm Out Of Range >> Failure Conditions:
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Failure Conditions:

TPS is 14 degrees or greater and ISC is retracting 15 seconds. TPS position less than or equal to 2 degrees and ISC extending 15 seconds.

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