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Home >> Oldsmobile >> 1990 >> Custom Cruiser >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Engine Controls - Tests W/Codes) >> ECM Code Charts >> ECM Code E74: Mat Sensor Signal Interrupt >> Failure Conditions
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Failure Conditions

WARNING: This page is about a different car, the 1990 Cadillac Fleetwood and 1990 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.

MAT change of 7° or more in 250 milliseconds.

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