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-   -   Knock and O2 sensors? (https://www.performancetrucks.net/forums/tuning-diagnostics-electronics-wiring-161/knock-o2-sensors-501116/)

custm2500 04-29-2012 08:29 PM

Knock and O2 sensors?
 
I see plenty of guys not running knock sensors and/or 02s and I was wondering if I should run them? I have a large cam, running 110 fuel, and have a wideband.

I am guessing with large cams you get false knock? That is just an assumption and trying to determine if I need them or not.

P.S. Do I need to install the knock sensor if I am not hooking them up? Meaning will the hole they mount in leak if I don't install them?

batboy 04-29-2012 09:37 PM

I would keep the knock sensors. They do a critical job in protecting your motor. You also definitely need the front O2 sensors. The rear O2 sensors are a different story, they can be eliminated, no problem.

Area47 04-29-2012 09:45 PM

02's can be removed if you running SD. knock sensors. i wouldn't. i leave them turned on in the tune and plugged in on the motor side. regardless of power. 200-1000+

FILE 04-29-2012 09:56 PM


Originally Posted by Area47 (Post 4913175)
02's can be removed if you running SD. knock sensors. i wouldn't. i leave them turned on in the tune and plugged in on the motor side. regardless of power. 200-1000+

You still want to run CL on a SD tune.

Area47 04-29-2012 10:01 PM

yes and no. depends on what the vehicle is being used for. key word that post was "if"

La Blue 05 04-29-2012 10:14 PM

keep your knock sensors just desentisize them a lil so they wont give off false knock, keep your 02s for safety reasons

2007chevy5.3l 04-29-2012 10:15 PM

If your worried about getting alot of false knock you can desensitize them to a degree to try and help determine what is real and what isnt

2007chevy5.3l 04-29-2012 10:15 PM

La blue beat me to it haha!

La Blue 05 04-29-2012 11:45 PM

Lol..took you a while

custm2500 04-30-2012 06:27 AM

Ok. I will install them.

Why is it that people don't run the knock sensors sometimes?


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