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coil problem

  • yhspeed
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8 years 7 months ago - 8 years 7 months ago #5574 by yhspeed
coil problem was created by yhspeed
[working in a 98 mitsubishi galant , misfire problem , when i put the clamp with oscilloscope and measured the primary current , i saw this








i think its a primary shorted [/b ] ¿what do you think guys?
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Last edit: 8 years 7 months ago by yhspeed.

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8 years 7 months ago #5575 by SniperDan
Replied by SniperDan on topic coil problem
It has the characteristics of a shorted secondary winding. Typically a shorted primary would be much more severe, with pretty much no ramping due to the lack of CEMF. Almost as a high amperage square wave if you can envision that.
"Without data, you are just another person with an opinion."

~W. Edwards Deming
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  • Dylan
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8 years 7 months ago #5580 by Dylan
Replied by Dylan on topic coil problem

SniperDan wrote: It has the characteristics of a shorted secondary winding. Typically a shorted primary would be much more severe, with pretty much no ramping due to the lack of CEMF. Almost as a high amperage square wave if you can envision that.


Exactly!

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8 years 7 months ago #5582 by ScannerDanner
Replied by ScannerDanner on topic coil problem

SniperDan wrote: It has the characteristics of a shorted secondary winding. Typically a shorted primary would be much more severe, with pretty much no ramping due to the lack of CEMF. Almost as a high amperage square wave if you can envision that.[/quote

exactly! And with that waveform, I am surprised it runs at all

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8 years 7 months ago #5587 by yorman harol.a
Replied by yorman harol.a on topic coil problem
thanks for you answers guys !!!
caracas, Venezuela

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