Nissan Repair Questions? Ask a Mechanic for Answers ASAP
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no, not the transmission at all. it is a fuel level sensor and a cylinder missfire. both smple codes to repair.
below is the description of the 463 code
P0462, P0463 FUEL LEVEL SENSORDescription The fuel level sensor is mounted in the fuel level sensor unit.The sensor detects a fuel level in the fuel tank and transmits a signal to the combination meter. The combination meter sends the fuel level sensor signal to the ECM through CAN communication line.It consists of two parts, one is mechanical float and the other is variable resistor. Fuel level sensor output voltage changes depending on the movement of the fuel mechanical float.DTC LogicDTC Detection LogicNOTE:
This diagnosis indicates the former, to detect open or short circuit malfunction.
the 304 is a miss fire on number 4 cylinder. try changing the plugs first.
I need more info on the noise. cannot evaluate it on the info you posted
in most cases, the fuel sender unit is the issue with the 463. common failure for this code.
there is no indication of a trans issue with these 2 codes. there is no indication of pcm or tcm failure from these codes as well. sounds like they are guessing.
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codes never identify parts failure just system failure. the chart I sent you is something that needs to be followed to determine the failure.
in your case, the fuel sender is the failure as I stated in previous posts. you seem to be stuck on a computer failure which is not the case. so yes, I did give you an answer.