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Home >> Cadillac >> 1987 >> Allante F7/ME9 >> Repair and Diagnosis >> Engine Performance >> System >> Self-Diagnostics >> Diagnostic Tests >> ECM DTC EO37: Shorted Mat Sensor Circuit >> Notes On Intermittents
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Notes On Intermittents

Manipulate circuit No. 472 wiring and MAT sensor and ECM connectors while observing ECM data parameter ED05. If failure is induced, parameter will jump from its normal value to shorted reading of 288-304°F (142-151°C).