Author Topic: No Spark!!  (Read 8629 times)

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Offline Scoobum

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Re: No Spark!!
« Reply #15 on: August 27 2015, 06:33:09 PM »
Check your end play with a dial indicator.
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Offline Forzfed

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Re: No Spark!!
« Reply #16 on: August 27 2015, 06:47:33 PM »
I know. :(   I was thinking that as soon as I tried putting the new sensor in and it touches the dampener.  But that being said the old sensor is a few mm shorter and more so where broken.

Offline good2win22

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Re: No Spark!!
« Reply #17 on: August 27 2015, 08:04:54 PM »
When mine went out, it started with a strange ding sound. That was the reluctor wheel hitting the sensor.  Good find!
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Offline earlbrown

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Re: No Spark!!
« Reply #18 on: August 28 2015, 04:19:29 AM »
I know. :(   I was thinking that as soon as I tried putting the new sensor in and it touches the dampener.  But that being said the old sensor is a few mm shorter and more so where broken.

If that was an original sensor, you'll be needing the bracket too.   For some reason about 20 years ago the dimensions where changed and the 'upgraded' sensor needs a matching bracket.
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Offline Scoobum

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Re: No Spark!!
« Reply #19 on: August 28 2015, 09:23:56 AM »
Good info Earl...thanks. :)
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Offline Forzfed

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Re: No Spark!!
« Reply #20 on: August 28 2015, 12:44:17 PM »
If that was an original sensor, you'll be needing the bracket too.   For some reason about 20 years ago the dimensions where changed and the 'upgraded' sensor needs a matching bracket.

I was hoping to just slip the new one in the old bracket but no go.  So I took the old bracket off and it was identical to the one I had.  So I have the same bracket and little taller crank position sensor. :chin:

Offline Forzfed

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Re: No Spark!!
« Reply #21 on: August 28 2015, 07:55:13 PM »
The sensor that was on there measured 17.9 mm and there was no wear on the top of it other than the center section being taken out.  The aftermarket one measured 20.5mm and I traded it in for another one that measured 20.1mm. 

Does anyone know if the plastic v's form an electrical loop?  If not then I should be able to file the top off so the after market one fits.  I'm going to send Highway stars an email and see if they can measure the one they are selling for me.

Offline motorhead

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Re: No Spark!!
« Reply #22 on: August 28 2015, 09:05:57 PM »
Does anyone know if the plastic v's form an electrical loop? 

It is a Hall effect sensor, so it depends where the magnetic field(s) are/managed. 

According to this video both slots are active: https://www.youtube.com/watch?v=zWYJhcVXw_M
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Offline Forzfed

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Re: No Spark!!
« Reply #23 on: August 28 2015, 10:04:36 PM »
Does anyone know if the plastic v's form an electrical loop? 

It is a Hall effect sensor, so it depends where the magnetic field(s) are/managed. 

According to this video both slots are active: https://www.youtube.com/watch?v=zWYJhcVXw_M

That I know, but I want to know how far up the plastic slots it goes or if it goes right to the top.  I might file one down for an experiment to see how far I can go before it doesn't work.

Offline motorhead

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Re: No Spark!!
« Reply #24 on: August 29 2015, 08:24:41 AM »
It would be pretty simple to test if you had another pigtail and could set up the power, ground, and signal (to a voltmeter) wires; and then just pass a length of metal through the slots to establish its sensitivity range up/down/in/out.  Then modify.
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Re: No Spark!!
« Reply #25 on: August 29 2015, 01:57:03 PM »
It would be pretty simple to test if you had another pigtail and could set up the power, ground, and signal (to a voltmeter) wires; and then just pass a length of metal through the slots to establish its sensitivity range up/down/in/out.  Then modify.

I can't think well, hungover.  With the ignition on I will pass a metal through the slot and see if it activates the injectors.  When I tested the plug in, you can hear it loud and clear.  I'm thinking it probably isn't a good idea to file it.  I just spoke to a fellow car club member and he has a factory crank sensor so I will grab that one and modify the other one just to see.

 

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