Ok so I picked up the 470k resistors at radio shack..........now I need to know how to correctly put it on the harness that the knock sensor plugs into. Cause it only has one terminal side...do both prongs of the resistor go on the one side?? or what. thanks.

 

if you go tthe right connector there should be 2 metal slots where it plugs in just jumper those. If your conector only has one or more then 2 wires going to it it is the wrong one, well I hope I am right I just did this and drove about 1500 miles like that so it should be ok. So once again it is a two connector terminal on the middle left of your engine. If you have troubles finding it look down the center of your engine you should be able to see the sensor and just follow the wire back to the connector. Hope this helps. Also I did this cause I tested my knock sensor and it read 1000k or so but I don't feel any difference, I made sure and reset the ECU so do I actually need to get a new knock sensor before it runs right. It was so embarising cause I ran an 18 at the track and got beat by all sorts of stuff. Sorry for asking another question

 

So what does adding a resistor to the KS do?

 

it is a replacement for your KS if it is bad and it tells the computer that all is good, but it removes the safety net that the sensor provides. It is best to get a new one but for us poor people it is a lot better to par 10 cents for a resistor then 100+ for a new sensor

 

Dont run on that too long... Run highest octane, throw in an occasional octane booster with your full tank of gas... I ran on the resistor for about a week then I got my real deal KS, I actually felt the car run BETTER with teh REAL one... :P

 

So you mean to tell me all that work I did taking out the actual knock sensor was a waste of my time...I thought I had to jump the thing off the end of that harness. Lord have mercy and yes the end of the connector the one that actuall attaches to my knock sensor has only one wire that runs into it...

 

How to test knock sensor - The KS may be checked with an ohmmeter.

1) Raise the hood. View the engine from the driver's fender. Look into
the deep valley between the cylinder banks and below the intake manifold.
Identify the KS as a black item fastened to the block by a single vertical
bolt. A wire harness wrapped in black leads toward you, out of the valley.
That is the KS sub-harness.

2) Follow the KS sub-harness to it's nearest connector. This is connector F121.
It is located near the upper right-hand corner of the valve cover of the forward cylinder bank, as viewed from the front of the car.

3) Disconnect F121. You have to do a "press the latch and wiggle and
pull" to disconnect it. F121 has only two pins; if you see more than two
pins, you have the wrong connector. Use a digital ohmmeter capable of
measuring more than 10 Megohms. You want to measure the pins of F121, not
the sockets of the matching connector. Measure the resistance between a
good ground (such as the battery negative terminal) and pin #2 of connector
F121. On my car this is the highest of the two pins, the one closest to
the front of the car. The factory spec is 500 - 620 Kohms.


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