Question about 1994 Oldsmobile Cutlass Supreme
I have seen on these the AC control unit short out and the computer thinking the AC is on rev the engine up. Try this, actually turn the AC on and put the controls and vents to where your comfortable fora few days. If the problem does not reaccur then suspect the control unit. A diagnostic scanner would show the AC is on when all the controls are in the off position if this is the problem. An intermittant problem could also be seen with a scanner when the problem occurs. Other than this my next choice is you have vacuum leak either on the intake or a vacuum line is cracked somewhere.
Posted on Jul 31, 2010
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Posted on Jan 02, 2017
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