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Home >> Saturn >> 1992 >> SC Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Engine Controls - Tests W/Codes - 4.9L) >> Pcm Code Charts >> Code P027, Open Throttle Position Switch Signal >> Failure Conditions

Failure Conditions

WARNING: This page is about a different car, the 1995 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.

PCM retracts ISC motor and sees a corresponding decrease in throttle angle twice.

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