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Home >> Cadillac >> 1990 >> Seville STS, 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:
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Failure Conditions:

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