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What is a misfire?

Tiny
MWATTERSON
  • MEMBER
  • 2006 CADILLAC CTS
I took my car in to get the oil changed and the guy at the shop,
Said there was a misfire in cylinder 1 and 6, but did not say
What was causing it or what needed to be done to fix it, just that it
Cost $1000 to fix it. I don't trust this place one bit. What would cause
A misfire and what would need to be done to fix it.
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Friday, May 15th, 2015 AT 9:10 PM

5 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
There are many things that can cause a misfire. The most common causes are ignition components like plugs, ignition wires and coils but that's no guarantee. Get a second opinion if you don't trust that shop.
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Saturday, May 16th, 2015 AT 3:59 AM
Tiny
MWATTERSON
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  • 40 POSTS
What does a miss fire mean?
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Saturday, May 16th, 2015 AT 12:30 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
When combustion doesn't occur in one or more cylinders for yet to be determined reasons.
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Saturday, May 16th, 2015 AT 12:42 PM
Tiny
MWATTERSON
  • MEMBER
  • 40 POSTS
Would this cause the car not run right? Because it runs just fine.
Thanks
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Saturday, May 16th, 2015 AT 8:52 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
Yes it would but I would question whether ou would even recognize that. You need to get the car checked by a different shop.
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Sunday, May 17th, 2015 AT 5:03 AM

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