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Home › Cadillac › 1990 › Seville Base, 4T60/ME9 › Repair and Diagnosis › Engine Performance › System › Engine Controls - Tests W/Codes › ECM Trouble Code Charts › ECM Code EO34, Map Signal Too High › Failure Conditions:

Failure Conditions:

MAP value within 11 kPa of barometric value for 15 seconds.

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