LEMON Manuals
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Cadillac
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1991
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Seville Base
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Engine Controls - Tests W/Codes
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Diagnostic Tests
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Pcm Code EO74, Intermittent Mat Sensor Signal
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Failure Conditions:
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Failure Conditions:
MAT change of 7 degrees or more in 250 milliseconds.