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You may need to drive it for atleast another 20 miles to reset the system. If the problem still persists, I strongly suggest that you remove the positive battery connector and let it sit for atleast 5mins. before reconnecting it. This will reset the system and can get the check engine light.
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CHECK ENGINE litgh turn on could be several message about fault codes that are stored in the PCM; to know exactly what fault code is there will need scanned the PCM (Powertrain Control Module). with this code we could send other details or tips to fixed.
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Hi there
after replacing any sensor on any vehicle that makes the check engine light come on you must take car to whoever has a code scanner (local auto parts store) and have them reset the computer till this happens the ecm still reads the old one hope i have helped you with this issue have a wonderful day
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the code was off but comes back on after driving only 40 miles
back to the original question is there a reset that needs to be done after the O2 has been replaced
I'll try this solution
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