Ignition coil not getting spark

Tiny
AUSTIN1994
  • MEMBER
  • 2001 DODGE STRATUS
  • 2.7L
  • V6
  • 2WD
  • AUTOMATIC
  • 180,000 MILES
I have had the water pump, timing chain tensioner, valve cover gaskets timing cover gasket, 6 spark plugs, a motor mount put on my car. Everything was put back on correctly I assume because 2 mechanics worked on it, but one mechanic called and said that he couldn't figure out why the ignition coil wasn't getting fire to it. But checked my relays and fuses and said they were great and we can't seem to figure the problem out. Please help.
Monday, November 9th, 2020 AT 3:37 PM

4 Replies

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Your engine has what is called ignition coil on plugs. That means each spark plug has it's own coil. So how did they confirm that the coils are not getting spark? Did they remove one and hold it against the block and crank the engine?

If the engine was running prior to this then we need to check and make sure they didn't unplug the crank sensor or something else related to the ignition.

Clearly these components should not cause this so we have to assume they unhooked something.

Let us know this info and we can go from there. Thanks
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Monday, November 9th, 2020 AT 3:52 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good evening,

I attached a wiring diagram for you of the system.

https://www.2carpros.com/articles/how-to-check-wiring

Did they verify power to the fuse I circled on both sides?

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Roy
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Monday, November 9th, 2020 AT 3:56 PM
Tiny
AUSTIN1994
  • MEMBER
  • 2 POSTS
Okay, so I just talked to him again the engine was running before the coils are all brand new. He said he read something about unplugging the crank sensor and plugging it back up and it might fix the problem, it didn't. He said everything is put together hooked up the way it should be, so I'm assuming it is a wiring issue or maybe another component. I'm honestly not sure I asked about the fuses he told me that he checked every one of them, so I'm assuming that means both sides.
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Monday, November 9th, 2020 AT 4:18 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Okay, did he check for power to the coils?

The fuse test was not a visual test, it is a power test.

Roy
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Monday, November 9th, 2020 AT 4:27 PM

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