heated o2 and knock sensor

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11-11-2003, 10:05 AM

#11

projekteg

3.0 BAR

Join Date: Apr 2003

Posts: 11,058

Re:heated o2 and knock sensor

Quote:

Originally Posted by high c

ok i looked at
http://www.nitroburn.com/pgmfiwiki/index.php/EcuSensors
and saw nothing haveing to do with voltage, i really do think a knock sensor is an AC generating sensor

it only has one wire, trust me, blundar is right, i've taken one apart

11-11-2003, 05:01 PM

#12

high c

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Thread Starter

Join Date: Mar 2003

Posts: 114

Re:heated o2 and knock sensor

"it only has one wire" you just proved me right, it has to make its own voltage because it only has 1 wire going to it, lets look at it, it would not be a + wire, it would not be a - wire, so it has to be a single wire to tell the computer that it has knock, so when knock happens it makes its own AC voltage to let the computer know. trust me i have my ASE sert. in electril

11-16-2003, 12:06 PM

#13

rudebwoy

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Join Date: Mar 2003

Posts: 4,217

Re:heated o2 and knock sensor

Quote:

Originally Posted by Turbo90Accord4DR

you cannot do that with the knock sensor, and with the heated o2, i think it needs to be toggled off and on (because my friend with the apexi power FC, it shows when the heater is on and off. ) so i dunno for sure.

so you are saying that since I am using a p28 ecu on my b16 that has a knock sensor, it would not work even if I wired it in, and put a chip that requires the knock sensor in. will it work or not?