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Home >> Oldsmobile >> 1995 >> Aurora >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 4.0L >> ECM/Pcm Code Charts >> Code 66, Cruise Control Engine Speed Too High >> Notes
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Code 66, Cruise Control Engine Speed Too High: Notes

Code will set if engine speed is 6350 RPM or greater for 5 seconds and cruise control is enabled and engaged.

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