Ls1 knock sensor frequency

Forum Rules. Remember Me? What's New? Results 1 to 19 of Add Thread to del. Thread Tools Show Printable Version. Hello all i need some help i have a 02 ws6 with i was told the car was parked for about 2yrs now i just bought the car and the engine soon light went off so i took it to the steelership and they told me i need to replace the KNOCK SENSOR or i will have to replace the engine in a short time, was wonderinf if that is true do i need to have they replaced ASAP what do they do?

Is it bad i bought a car with low miles that has been sitting in someone Garage once i get though this problem will i have more because the car was sitting for a long time the owner did tell me that he did start it up and let it runthe engine does sound very strong ansd runs good but the light is still on i have found no over problem yet but only place 75 miles since i bought the car Thanks in advance for all your help.

Share Share this post on Digg Del. Yeah if it is your knock sensor, I'd replace it tomarrow if it were me. Originally Posted by TA Knock sensors are not something to mess around with, get them replaced ASAP.

Originally Posted by konigandy6. Cause you will really screw up a nice WS6 if you don't. And that would be a shame. What exactly is a knock sensor?

And what does it do? And where is it located? C6 ZO6 rims 18" in back 17" in front.


Drilled and slotted rotors. Those extra warranties are a joke and they void very easilly. The knock sensor is located on the driverside front of the engine just under the header. I was told that there are two knock sensor that have to be replaced the stealerships wants to replace both of them and a gastket kit? There are two knock sensors - both under the intake manifold.Remember Me?

What's New? Results 1 to 8 of 8. April 9th, 1. However, I haven't been able to find the answer to retuning for my combination. I've replaced the block with an LSA block. With the sensors moved from the valley to side of block location what should I be looking at changing in the tune?

April 10th, 2. I plan on doing something similar, in for info. April 10th, 3. This is a hard thing to accomplish April 11th, 4. Have read that it can be done, but not much information out there. April 15th, 5. Originally Posted by joecar. April 15th, 6. Originally Posted by ronrath. I do have access to a spectrum analyzer so I'll try this approach.

Once I've got the central frequency where so I go in the tune? May 11th, 7.

ls1 knock sensor frequency

The guy there told me you just earth the other ground wire to the block and use the 2 existing LS1 wires for the signals and the "ecu works it out" I reckon good luck on that one Does anyone know the real answer, and that is does either of these setups work with LS2 knock sensors. Another option is to use the V6 Ecotech knock sensors, as they screw directly into the existing threaded holes in the side of the block and use the single wire plug same as LS1.

May 11th, 8.Remember Me? What's New? Results 1 to 7 of 7. Thread: relocating the knock sesnors from under intake to side of block. Thread Tools Show Printable Version. Originally Posted by Raddtadd. I recently relocated my knock sensors since I did a lsx swap and was wondering if I need to adjust the ecm since I relocated them? I have done this change on two gen 3 vehicles using gen 4 motors. Both worked fine. Every motor is different so you may need to adjust the knock sensor parameters.

I check them by lightly tapping on the engine or a bracket while watching the scanner for knock retard.

ls1 knock sensor frequency

Hope this helps. So you lightly tap in order to get a reading and to adjust the knock sensor parameters? I did the same swap, gen 3 knock sensors in the side of my ls3 block. I tried slowly turning up the sensitivity to get some kind of response, even if it were false, then backed it down a little.

Just a couple psi of boost. I relocated mine in my LS swap, but not to the standard positions, as they got in the way of the headers, mine ended up in a couple of retapped holes on each side close to the front of the block, but they seem to operate ok there, even without tweaking the tables. It detected knock on heavy throttle my car is a manual quite well, so so far I haven't changed the tables I have read different stories on this, with some people saying they worked fine, or needed only minimal adjustment, and others saying they didn't work at all Yes, sorry for the delay in replying.

When the engine is running, the powertrain control module PCM learns a minimum and maximum frequency of normal engine noise. The KS system monitors both knock sensors in order to determine if knock is present.

The PCM continues to retard timing until no knock is present. The minimum noise level must be learned. The minimum noise level is learned when the following conditions are met: The engine coolant temperature ECT is more than 60? C ? Remove the intake manifold sight shield. Disconnect the knock sensor KS inline harness connector. Is the resistance of the KS within the specified range? Select the Hz mode. This info is from GMSI.

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Secret to Fix Knock Sensor Issue

Page 1 of 3 1 2 3 Last Jump to page: Results 1 to 10 of Thread Tools Show Printable Version. I attached an excerpt of the tuning manual below. I consider this to be a good universal knock sensor; I even had good results from it with the C The sensor's frequency is This is a great feature, because sometimes knock sensors will read false knock at certain RPM or load especially on high performance enginesso you want to enter zero in those cells.

The idle area should be at zero anyway. Tuning the knock sensor Sensitivity required me to force my engine to "ping" not "knock". On a hot summer day, I fueled my truck with lower octane fuel, disconnected my cold air induction and drove up a steep hill to tune the Sensitivity. Tuning the Sensitivity isn't difficult read tuning procedure below. I'm very happy with the results. As the knock sensor ages, the Sensitivity value will need to be slightly decreased due to the increased amplitude of the internal piezoelectric crystal.

May God's grace bless you in the Lord Jesus Christ. Join Date Jul Posts My motor SBF currently has a 1-wire knock sensor located in the back of the intake manifold.

Knock Frequency Calculator

I also found a sensor in the side of my block on the passenger side, but nothing is hooked up to it, it was abandoned a while ago for unknown reasons. It's a blower car, so obviously a knock sensor is mandatory to detect detonation. Originally Posted by Originally Posted by Danny Cabral. If the sensor on the side of the block, is a GM knock sensor, I'd use it for reasons I mentioned in my post above.

I would think the block would be better as well, but would you recommend running both or does that just make tuning the sensitivity of the sensor that much more difficult? Hello, Danny. I have 1 GM knock sensor, and with Endless Sizzle (2) odds Analysis On pace runners will have an advantage as little speed engaged. Snuggle Pot (3) odds 3. Spur With Ease (6) odds 2. Jomar Saga (1) odds 5. Telloff (4) odds Analysis SNUGGLE POT generally races near the speed and all wins have come when faced with dry ground, will take the power of beating.

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ls1 knock sensor frequency

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