would examine the electrical connections...batteries frequently have loose and corroded cables...does not take much to upset them...be sure the battery hold-down is there and not corroded...then possibly wirebrush the battery terminals...make sure the power gets to the place that it needs to go~
look for a loose connection the the 02 sensor~ look for a loose fuel cap~ perhaps the tank was overfilled~
Thank u for all your answers . I found out that I need 2catyliac convert o2sensor wheel bearing. Just brought the car. Only had it less then a month.
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