NEED HELP knock sensor code comes on but it says caused by another sensor?
NEED HELP knock sensor code comes on but it says caused by another sensor?
The other day my CEL came on and the codes were my idle speed contro, automatic transmission computer to signal failure, and knock sensor. now my boy checked it with his Pc and it said that my knock sensor code is comming off because of something in the left bank? i need help quik plz.
Dyno plot says I have the most area under the Administrator curve
Joined: Jul 2001
Posts: 7,064
I'm not trying to be a smart azz, and I'm not speaking on behalf of maxima.org - it's just "me" speaking. I'm more than willing to try and help folks out here (otherwise I wouldn't be a mod/admin), but when I see people speaking in ghetto/net-speak (wut/wat, ne1, nebody) it just kills any motivation I have to help since it's annoying and just makes you look unintelligent IMHO.
As for your issue, there's disagreement on this here, but MY TAKE is that the knock sensor code is INDEPENDENT of all other codes and other problems do not cause the KS code to trip. The thing is, the KS code does NOT light the CEL. So when your CEL lights up with a real problem, you see the KS code in there also and that's usually the first time people notice it. So they think their "whatever" code also caused the KS code when it was probably there for awhile already. You'll get the KS code while the KS is flakey but still operational. It can take awhile (a few months) for it to go completely bad.
As for your issue, there's disagreement on this here, but MY TAKE is that the knock sensor code is INDEPENDENT of all other codes and other problems do not cause the KS code to trip. The thing is, the KS code does NOT light the CEL. So when your CEL lights up with a real problem, you see the KS code in there also and that's usually the first time people notice it. So they think their "whatever" code also caused the KS code when it was probably there for awhile already. You'll get the KS code while the KS is flakey but still operational. It can take awhile (a few months) for it to go completely bad.
Supporting Maxima.org Member
Joined: Mar 2004
Posts: 1,132
KS's sometimes are triggered by other sensors such as O2's and so forth. (That has come from several mechanics)
Have the others checked and changed then check KS. KS will not trip the CEL on its own. It is possible it could be bad but its possible it may not be.
BTW dont let your "BOY" search with his computer. Go O"Rielly's or AutoZone and get it checked for free.
Proph
Have the others checked and changed then check KS. KS will not trip the CEL on its own. It is possible it could be bad but its possible it may not be.
BTW dont let your "BOY" search with his computer. Go O"Rielly's or AutoZone and get it checked for free.
Proph
Member
Joined: Mar 2004
Posts: 120
From: Duluth, MN
Im willing to bet its the rear o2 sensor or the circuit not working right....Check the curcuit then check the sensor itself because it's been known for the curcuit to go first often....Replace it and see if it takes the KS code away....if it doesn't then clean the o2 up sensor up and return it 
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