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Multiple misfires after plugs and coil pack replacement?

Tiny
JOSEPH.FOLWER
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  • 19 POSTS
Okay, the codes did come back just do not them yet will update you tomorrow.
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Tuesday, July 2nd, 2024 AT 12:26 PM
Tiny
JOSEPH.FOLWER
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No dark smoke just vibrates as I accelerate from 20 MPH to 60 then levels out.
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Tuesday, July 2nd, 2024 AT 4:13 PM
Tiny
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  • MECHANIC
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Does the check engine light flash when you feel this? I ask because if there is a misfire, the CEL normally will flash. If it isn't, we may have something different happening.

Let me know.

Joe
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Tuesday, July 2nd, 2024 AT 7:24 PM
Tiny
JOSEPH.FOLWER
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No, it does not, and it vibrates like a washing machine and runs rough even at 60 MPH. I agree it something else but what everything would present codes.
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Tuesday, July 2nd, 2024 AT 7:35 PM
Tiny
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Hi,

If you are getting a vibration when you accelerate, it could be related to a faulty CV joint, wheel bearing, and other components related.

Have you had a chance to make sure nothing is loose or damaged with the final drive portion of the vehicle?

Joe
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Tuesday, July 2nd, 2024 AT 7:55 PM
Tiny
JOSEPH.FOLWER
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Good morning,

I did do all those things yesterday I jacked up and I do have cv joint wear but my main thing is I think it might be still be electrical and maybe vacuum issues and do you have hose diagram.
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Wednesday, July 3rd, 2024 AT 5:42 AM
Tiny
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Hi,

I checked both of my manuals, and for some reason, there are no vacuum schematic listings. Is there anything under the hood that shows the vacuum system?

Joe
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Wednesday, July 3rd, 2024 AT 8:29 PM
Tiny
JOSEPH.FOLWER
  • MEMBER
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Yes, it is vague at best. I also have a code for the catalytic converter I was going to change that this weekend.
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Friday, July 5th, 2024 AT 6:25 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,772 POSTS
Hi,

Since you are questioning the catalytic converter, take a look through this link first and see i anything mirrors what you are experiencing:

https://www.2carpros.com/articles/bad-catalytic-converter-symptoms

If you feel it does, here is a link that explains how to test it:

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

Let me know.

Joe
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Saturday, July 6th, 2024 AT 9:24 PM

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