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Nissan Sentra oxygen sensor problem

33 messages,  Last post on Jul 14, 2009 at 3:09 PM

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What is this discussion about? Nissan Sentra, Fuel System, Sedan

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#30 of 33 Re: 03 nissan sentra 02 sensor changed. [corkscrew] by njbigler Jul 13, 2009 (10:42 am)
Replying to: corkscrew (Jul 13, 2009 7:47 am) Hi thank you for the help. the instructions said that the only wire that is important is the heater wire. it is the wite wire, but there were 2 o them. on the grouping the only color on the car was black to match up. there was a black and red wire to.   My question is do I use both the solid black for one withe and then the black and red for the other. or do I put both wite wires on the solid black?   also what should I do about the check engen light. it is still on I restet it by taking the battery cable off but it just turns back on later? Does it have to be cleared by a computer?   Yhank you for the help. Replies to this message: corkscrew (Jul 14, 2009 1:17 pm) corkscrew (Jul 14, 2009 3:09 pm)
#31 of 33 02 Sentra Spec V QD25 O2 Sensor Selection? by huck76 Jul 14, 2009 (5:58 am)
How do I tell wich model of O2 Sensors that I have?   There are  DTC PO132 HO2S1,  DTC PO133 HO2S1,  DTC PO134 HO2S1, and  DTC PO138 HO2S1.   Can I tell with the Car Serial or VIN if I cant take one of the sensors off?   Thanks in advance for help.
#32 of 33 Re: 03 nissan sentra 02 sensor changed. [njbigler] by corkscrew Jul 14, 2009 (1:17 pm)
Replying to: njbigler (Jul 13, 2009 10:42 am) First, your replacement sensor should have the same number of wires as the harness. Two white wires are for the heater,if it is a Bosch sensor. The black wire is for the signal and grey is ground. Refer to a vehicle wiring diagram to be sure the wires are connected correctly.  After the wires are connected correctly you will be able to reset the check engine light Replies to this message: corkscrew (Jul 14, 2009 3:09 pm)
#33 of 33 Re: 03 nissan sentra 02 sensor changed. [corkscrew] by corkscrew Jul 14, 2009 (3:09 pm)
Replying to: corkscrew (Jul 14, 2009 1:17 pm) Most public libraries have auto repair reference centers.EBSCOhost is an online reference center. You will find your wiring diagram there. Corkscrew

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