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Home >> Buick >> 1995 >> Roadmaster Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (Engine Controls - Tests W/Codes - 4.9L) >> Pcm Code Charts >> Code P066, Cruise Control Engine Rpm Too High >> Test Conditions

Test Conditions

WARNING: This page is about a different car, the 1995 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.

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