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Home >> Cadillac >> 1991 >> Seville Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Diagnostic Tests >> Pcm Code EO91, Park/Neutral Switch Problem (1 Of 2) >> Action:

Pcm Code EO91, Park/Neutral Switch Problem (1 Of 2): Action:

Code EO91 is set. PCM turns on SERVICE VEHICLE SOON message.

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