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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 EO74: Mat Sensor Signal Interrupt >> Action:

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ECM Code EO74: Mat Sensor Signal Interrupt: Action:

ECM will set Code EO74.

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