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Could someone please help me wire up my knock sensor? 

 

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 Post subject: Could someone please help me wire up my knock sensor?
Posted: Mon Feb 01, 2010 8:35 pm 
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hi, I have looked through a few threads and im still not sure how to wire the knock sensor up...

I didnt know anything about it when i did my el conversion :? , i think when i took it ford for a check over the removed the knock sensor and put it an oil level sonsor or something like what i had for the 3.9L MPFI engine, i'm sick of it pinging in the hot wheather, i worried what 2 years of driving has done to it :shock: .

If you dont mind could you please show me a pic of where the knock sensor is on the block (my block is el) and what plug i use and where i wire it up to etc?

Thankyou
Clint

 

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 Post subject: Re: Could someone please help me wire up my knock sensor?
Posted: Mon Feb 01, 2010 9:43 pm 
Getting Side Ways
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Have you got an EL ECU?

 

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 Post subject: Re: Could someone please help me wire up my knock sensor?
Posted: Mon Feb 01, 2010 9:54 pm 
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the knock sensor goes in where the bolt goes to hold your coil on i think and the wiring diagram is Looking at my EL 1996-1998 Gregory's manual the knock sensor is

Black/White- pin 46 ECU Sensor Earth (bridges with map sensor, coolant temp sensor, intake temp sensor etc)

Yellow/Red-pin 23 ECU Knock sensor signal

hope that helps

 

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 Post subject: Re: Could someone please help me wire up my knock sensor?
Posted: Tue Feb 02, 2010 10:55 am 
Tyre Shredder
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Yes i thas an EL ECU. Ok thankyou for that info, il try an get it sorted soon thanks.

Il have a look 2nite but, is there only one wire or clip running to the MAP sensor?

Maybe this will fix my crappy idle, disconecting the ISC make no difference, it still goes up and down it wont stay constant.

 

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 Post subject: Re: Could someone please help me wire up my knock sensor?
Posted: Tue Feb 02, 2010 1:18 pm 
Getting Side Ways
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Yeah I have the same problem, I'd be keen to see if it works for you! :)

 

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 Post subject: Re: Could someone please help me wire up my knock sensor?
Posted: Tue Feb 02, 2010 1:54 pm 
Tyre Shredder
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4LED boy, does ur car stall at the lights when its cold? My car cannot idle by itself when it is cold, once it is warmed up it is ok but, the idle is not consant tis up and down, i wanna it to idle so i can stick my t5 in :(

 

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 Post subject: Re: Could someone please help me wire up my knock sensor?
Posted: Tue Feb 02, 2010 3:55 pm 
Tyre Shredder
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EDXR6-Poly wrote:
the knock sensor goes in where the bolt goes to hold your coil on i think and the wiring diagram is Looking at my EL 1996-1998 Gregory's manual the knock sensor is

Black/White- pin 46 ECU Sensor Earth (bridges with map sensor, coolant temp sensor, intake temp sensor etc)

Yellow/Red-pin 23 ECU Knock sensor signal

hope that helps


So i bridge into the earth of map, coolant temp and intake sensor? Is the manifold temp sensor the sensor in the middle under the thottle body of the inside of the BBM?

Just trying to make sure :)

 

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 Post subject: Re: Could someone please help me wire up my knock sensor?
Posted: Tue Feb 02, 2010 6:39 pm 
Getting Side Ways
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commandojones wrote:
4LED boy, does ur car stall at the lights when its cold? My car cannot idle by itself when it is cold, once it is warmed up it is ok but, the idle is not consant tis up and down, i wanna it to idle so i can stick my t5 in :(



Yep, pretty much the same as that!

 

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 Post subject: Re: Could someone please help me wire up my knock sensor?
Posted: Tue Feb 02, 2010 7:23 pm 
Tyre Shredder
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Oh well your not alone then, we both have idling issues.

Anyways i went and got the plug off the knock sensor 2nite, my block has the knock sensor in it but its not hooked up... :oops:

It has blue/yellow wire and a blue/black wire, the blue/black for earth and the blue/yellow for the signal i assume?

 

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 Post subject: Re: Could someone please help me wire up my knock sensor?
Posted: Mon Feb 08, 2010 6:37 pm 
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I wired it up today i had the day off. It amazing what one sensor can do my car idles alot better now im very happy with it :D i havent had a chance to drive it yet. T

hanks for your help guys

 

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 Post subject: Re: Could someone please help me wire up my knock sensor?
Posted: Mon Feb 08, 2010 6:49 pm 
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Guess what the net thing is I'm doing to my car? :mrgreen:

 

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 Post subject: Re: Could someone please help me wire up my knock sensor?
Posted: Mon Feb 08, 2010 7:05 pm 
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Hope you have the same success as me :) man it just idles now by itself even when its cold.

 

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 Post subject: Re: Could someone please help me wire up my knock sensor?
Posted: Mon Feb 08, 2010 7:32 pm 
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sounds really suss... I'd be taking it to a ford joint or someone with a tester and getting them to check the electrical system... sounds like another sensor is way out of range and causing it run bad... shouldn't have to install a knock sensor to fix it...

 

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 Post subject: Re: Could someone please help me wire up my knock sensor?
Posted: Mon Mar 22, 2010 6:10 pm 
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timmytimtim wrote:
sounds really suss... I'd be taking it to a ford joint or someone with a tester and getting them to check the electrical system... sounds like another sensor is way out of range and causing it run bad... shouldn't have to install a knock sensor to fix it...


Yeh mete the sensor seem to help it for a day then it went back to its old self with a very un settled idle. I think it could be the ISC or TPS or i dont know... anymore idea's?

 

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