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Home >> Cadillac >> 1992 >> Seville Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Engine Controls - Tests W/Codes) >> Pcm Trouble Code Diagnosis >> Pcm Code E74, Mat Sensor Signal Interrupt >> Failure Conditions

Failure Conditions

WARNING: This page is about a different car, the 1992 Cadillac Fleetwood and 1992 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.

MAT signal change of 7 degrees or more in 250 milliseconds (.25 second).