Cadillac Repair: code 1994 cadillac deville, cam sensor, cadillac deville

Question
QUESTION: My 4.9 1994 deville the check engine light come on and off I have history codes of p013, p044, and I039 the car now started to run rough on the highway is this O sensor and which one thank you bill

ANSWER: Replace the rear heated oxygen sensor and then CLEAR all the codes from the computer and see if any codes return.

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QUESTION: Yes,I replaced the O2 sensor, cleared all the codes and two codes came back P41, and I039 all history now the car is running rough but better. P14 code is the  cam sensor while the is idling the RPM goes up and down, and car is hesitating or missing when giving it some gas any idea? thank you Bill

Answer
P41 is the cam sensor.

I039 is ride control system fault.

iF P041 is a CURRENT code replace the cam sensor. then clear all the codes and see which codes return.

Let me know if P041 is CURRENT or HISTORY. If HISTORY, Clear the codes and see if it returns.