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Home >> Cadillac >> 1995 >> DeVille Concours >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 4.9L >> Pcm Code Charts >> Code P066, Cruise Control Engine Rpm Too High >> Test Conditions

July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Test Conditions

Cruise control enabled and engaged. Vehicle operator not manually controlling throttle position.

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