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How much does it cost to fix a misfire?

I experienced the symptoms of a misfire while I was driving my car yesterday, so I brought my car to the repair shop as soon as possible. How much should I expect to pay for the repair costs of the misfire?

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Kara Vanderbeek · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
The cost of repair and replacement can range from anywhere between $100 to $1000, depending on the reason for the misfire. 
The most common causes of misfire and their average estimated cost of repairs are listed below:
  • Poor fuel delivery: $200-$1,000
  • Faulty spark plug wires: $100-$300
  • Broken piston rings: $1,500-$3,000
  • Broken valve springs: $450-$650
  • Oil-fouled spark plugs: $100-$250
  • Faulty ignition coil: $150-$250
It’s dangerous to drive with a malfunctioning cylinder, so have your vehicle diagnosed and treated before you get back on the road.
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