I have a problem on my Nissan Maxima 1998. After replacing B pipe, my O2 sensor stuck with the stock extension b-pipe. So, I had to buy a new O2 sensor to install with my new B-pipe.However, after everything was completly installed, I started the engine. The Service Engine Soon Light showed up, and didn't turn off. I rechecked everything, everything was fine.......................

What was going on? What should I do? I don't have money to go and have a service check at Nissan Dealer. They will jack my money. ..........................Please help me ! ....................
Someone told me that I have to reset the Computer Box or something like that. I am not knowledge about that. PLZ HELPPPPPPPPPPPPP

 

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