What is code 1133
HO2S slow responce bank 1 sensor 1.
This means an oxygen sensor bank one is the first O2 sensor in exhaust manifold off #1 cylinder .The code is PO133.
You should change your fuel filter then do a tune up plugs cap rotor wires if requeried and pcv valve along with air filter.
This is if you haven't already damaged your catylitic convertor or your fuel pump .Vehicles need to be serviced if you want dependabulty if not buy a new car every couple years or so
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