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Q: O2 Sensors and check engine light Driving me Crazy ! on 1998 Lincoln Mark VIII

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
Bought out of state from friend of friend. Live in NY and cannot pass exhaust inspection. Different o2 sensors show up as problems. Three times. Check engine3 light one....replace o2 sensor that it need to drive a while before they can read the computer again and before the very next a week......the darn light comes back on. Another inspection and another 02 sensor needed. I really dont know what to do. I'm a female....enuf said ! LOL please someone HELP ME! The car runs fine ! If I replace all 4 sensors, and time it perfectly, will I beat the inspection game?
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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Really need to have the codes properly inspected. There are several types of oxygen sensor codes and some are NOT even caused by the oxygen sensor. If you could tell me the exact codes, I can interpret them and possibly help you.

Or you can go to a shop who is good at Diagnosis:
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