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View Full Version : S13 rb25det cutting out! knock sensor code!


Tranzporter786
03-17-2013, 05:47 PM
I'm getting 3.2 volts at knock sensor wires and fsm says its supposed to be approx 4 volts but what I don't get is I'm getting 3.2 volts from ecu wires to knock sensor plug is it supposed to be like that or is the knock sensor supposed to send the ecu a volt reading?? What happens is I get a good first gear pull but second gear keeps cutting out at 5.5-6k rpm it sometimes cuts out or just starts sputtering any help is appreciated changed the knock sensors still had the same readings too. Would the knock sensor cause this problem? Any help appreciated I'm running everything stock with 300zx maf and chasebays harness!

fliprayzin240sx
03-17-2013, 06:13 PM
Did you get new knock sensor harness too? If the wires are good, did you change knock sensors too? Might be bad.

Tranzporter786
03-17-2013, 07:40 PM
Entire harness is new and yea I changed the knock sensors but they were used and I know the person I bought em from and they were working on his car no problems