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S10 crank sensor


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Hi,

I'm new in this forum

Does anyone knows how to calibrate the oem crank sensor of my 95 s10 2.2L and how to disable the second trigger. I haven't got a cam trigger, wasted spark only.

No oscilloscope available, unfortunately :(

The ECU is an ATOM 

 

Thanks for your answer

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A breif google suggests there are potentially 2 trigger patterns used in the LN2 engine.  Early ones had an odd 6+1 pattern on the crank, GM call it "7X".  Later ones have the 60-2 or so called "58X" pattern.

We can work with the 58X pattern but from what I can see we dont have any mode that will support the 7X pattern.

58X looks like this:

34qpbh5.png

 

7X looks like this:

25zm0bq.png

So, first step is to confirm what you have, if it is 58X it is easy, if it is 7X I suspect it is going to need a different trigger wheel fitted to the front pulley or similar.

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Thanks for your answer,

Effectively it's a 7X. I'll install a trigger at the front of the crank like you said.

How to disable the trigger 2 in PC Link ? I think that the ECU will wait a cam signal. 

 

 

 

14 hours ago, Adamw said:

A breif google suggests there are potentially 2 trigger patterns used in the LN2 engine.  Early ones had an odd 6+1 pattern on the crank, GM call it "7X".  Later ones have the 60-2 or so called "58X" pattern.

We can work with the 58X pattern but from what I can see we dont have any mode that will support the 7X pattern.

58X looks like this:

34qpbh5.png

 

7X looks like this:

25zm0bq.png

So, first step is to confirm what you have, if it is 58X it is easy, if it is 7X I suspect it is going to need a different trigger wheel fitted to the front pulley or similar.

 

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