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Home >> Cadillac >> 1990 >> Allante 440T4/ME9 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> ECM DTC EO37: Shorted Mat Sensor Circuit >> Failure Conditions

July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Failure Conditions

MAT 148°C or greater.

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