Truck still runs fine But has both codes when scan P0130 O2 Sensor Circuit Malfunction (Bank 1 Sensor 1) and P0325 Knock Sensor 1 Circuit Malfunction (Bank 1 or Single Sensor) is it that i have to replace these two sensors or is it somting else that i own to do ? Thanks in credit
Answers: usually in most cases this routine the sensors are bad,but an 0-2 sensor will set stale the knock sensor sometimes,about the merely thing you can do beside a bad 0-2 sensor is replace it,self replace it,but have it re-scanned and hold them give you their definition of the codes previously you go buying sensors,this is what come up when i looked the codes up.if they are bad though the simply thing you can do is replace them,ever who scan it have them re-scan it and hand over you the meaning of the codes also,that's what come up when i looked them up for that vehicle,good luck.
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