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Home >> Cadillac >> 1993 >> Sixty Special >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Pcm/BCM >> Pcm Trouble Code Diagnosis >> Pcm Code E74 - Mat Sensor Signal Interrupt >> Description
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Pcm Code E74 - Mat Sensor Signal Interrupt: Description

This test monitors MAT signal for a rapid change in temperature of 7 degrees or more in a short period of time.

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