Coil pack keeps overheating what's the problem?

Tiny
FILLERS
  • MEMBER
  • 2005 HYUNDAI SONATA
  • 105,000 MILES
Changed engine in my 2005 hyundia sonata 2.0L car started for 2 hours then the following day went to start it no start engine cranks no spark and fuel pump not cutting in please help me?
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Saturday, February 25th, 2012 AT 12:36 AM

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Tiny
SQM
  • EXPERT
Hello,

The coil pack is likely overheating for having excessive internal resistance.
It can also be triggered by spark plugs.
Since you are not getting any spark it could be due to faulty coil or bad spark plugs.

https://www.2carpros.com/articles/how-to-test-an-ignition-system

Here is the ideal resistance for the coil:
Primary resistance : 0.78 10% (Ohms)
Secondary resistance : 20 15% (k Ohms)

https://www.2carpros.com/articles/how-to-use-a-voltmeter

As for the fuel pump, if the pump is inoperative. It could be due to a bad pump, relay or wiring.

Please let me know of any questions.
Thank you.
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Wednesday, September 15th, 2021 AT 10:54 PM

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