Coil fuses keep blowing as soon as I crank the engine?

Tiny
JULIAN1
  • MEMBER
  • 2011 BUICK ENCLAVE
  • 3.6L
  • V6
  • 2WD
  • AUTOMATIC
  • 189,000 MILES
Even coil fuses keeps blowing as soon as I crank it.
Friday, June 30th, 2023 AT 5:53 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,536 POSTS
This is common when an ignition coil, fuel injector or oxygen sensor has shorted out, I would unplug them all and replace the fuse, then with the key on, plug them in one at a time until the fuse blows. This will be the bad part that needs to be replaced. I would inspect the engine wiring harness to make sure it has not rubbed through. Let us know what happens and please upload pictures or videos of the problem so we can see what's going on.
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Saturday, July 1st, 2023 AT 1:12 PM
Tiny
JULIAN1
  • MEMBER
  • 2 POSTS
Rounded it to the number 2 coil could it be the coil shorting out the fuse.
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Sunday, July 2nd, 2023 AT 11:19 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,536 POSTS
Nice work, here is how to change the coil out. Check out the images (below). Please let us know if you need anything else to get the problem fixed.
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Monday, July 3rd, 2023 AT 1:31 PM

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