QuestionI have a 1994 Cadillac DeVille with a 4.9 liter V-8 Engine and the service engine light came on and I checked the engine codes and PO85 Current flashed and then IO39 History followed by IO52 History. What does these codes mean and what are the steps I need to take to correct this problem?
AnswerP085 = Throttle angle to high.
I039 = ride control system fault.
I052 = IPC memory reset.
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