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Spark sequence, what is it?

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Old Oct 7, 2008 | 03:42 PM
  #1  
Spectator's Avatar
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Spark sequence, what is it?

What I have now is:

L1 sparks twice for one spark of T1 and then L2 sparks twice for one spark of T2. Is that supposed to be right or is that why the car wont start?

I would guess it's supposed to be L1 sparks once and T1 sparks 2 milli seconds after and L2 sparks once and T2 sparks 2 milli seconds after and so on. Right?

Thanks!

Spec.
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Old Oct 7, 2008 | 05:34 PM
  #2  
alexdimen's Avatar
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From: Richmond, Va.
Originally Posted by Spectator
What I have now is:

L1 sparks twice for one spark of T1 and then L2 sparks twice for one spark of T2. Is that supposed to be right or is that why the car wont start?

I would guess it's supposed to be L1 sparks once and T1 sparks 2 milli seconds after and L2 sparks once and T2 sparks 2 milli seconds after and so on. Right?

Thanks!

Spec.
That's normal. Both leadings should be firing at the same time and twice as frequently as the trailing plugs. It's called a waste spark. The leading coil assembly is essentially one coil with two outputs.
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