Ignition Coil Replacement at your home or office.

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Ignition Coil Replacement Estimate for Infiniti M56

Infiniti M56 Ignition Coil Replacement costs $231 on average. Following is a breakdown of the labor and parts estimates.

YourMechanic Price
$230 to $248
Labor: $126 -$144
Parts: $104
Average Dealer price
$376
Average Shop price
$281
Get an instant quote for your car
Our mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
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CarServiceYourMechanic PriceShop/Dealer Price
2012 Infiniti M56V8-5.6LService typeIgnition Coil ReplacementYourMechanic Price$238.86Shop/Dealer Price$312.81 - $431.75
2011 Infiniti M56V8-5.6LService typeIgnition Coil ReplacementYourMechanic Price$236.77Shop/Dealer Price$310.42 - $427.96
2013 Infiniti M56V8-5.6LService typeIgnition Coil ReplacementYourMechanic Price$236.77Shop/Dealer Price$310.27 - $427.71
Show example Infiniti M56 Ignition Coil Replacement prices

Ignition Coil Replacement Service & Cost

What is the Ignition Coil all about?

Ignition coils transform low voltage electrical power 12 volts D.C. to high voltage current 50,000 volts D.C. or higher. The spark generated by the ignition coil ignites the fuel and air mixture in the engine that enables the car to start and run smoothly. If an ignition coil is not working properly, no spark will ignite the air fuel mixture, causing a misfire. A bad ignition coil can severely damage the engine or catalytic converter.

If your car is equipped with “coil over plugs,” then it is recommended that you replace the spark plugs. If your car uses a single coil for the ignition system, it is not necessary to change the spark plugs.

Ignition Coils

Keep in mind:

  • A malfunctioning ignition coil can cause damage to the ignition wires and spark plugs; these components should always be checked when the ignition coil is replaced.
  • Ignition coils are often damaged by other parts that leak hot oil onto the coils. If this is the case, the leaking part should be identified and replaced.

How it's done:

  • Test the ignition coil(s)
  • Remove and replace the faulty coil.
  • Inspect spark plugs and electrical connectors.

Our recommendation:

To keep the car’s ignition system in good condition, you should keep up with the regular maintenance of the car as suggested by the manufacturer. Your mechanic should measure the resistance in the spark plug wires. The wires with too much resistance can cause an ignition coil to fail prematurely. The Check Engine light will come on if the engine is misfiring (the ignition coil may be faulty). To avoid costly future repairs, do not drive the car for too long with a bad ignition system.

What common symptoms indicate you may need to replace the Ignition Coil?

  • Car may not start.
  • Car may not run smoothly (engine misfires).
  • Check Engine light is on.

How important is this service?

An ignition coil turns low voltage into high voltage, which is then used to ignite your vehicle. After the ignition coil has converted the low voltage into high voltage, it creates a spark, which lights the fuel, and powers the engine. This small explosion is responsible for turning on your engine, and for keeping the engine running. When the ignition coil is damaged, it is unable to create this high voltage spark, and your engine will have a hard time running, or may not run at all.

Fast and easy Ignition Coil Replacement service at your home or office.

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Meet some of our expert Infiniti mechanics

Real customer reviews from Infiniti owners like you.

311 reviews
Lucas
12 years of experience
Lucas was excellent. He was knowledgeable friendly; Lucas shared what he was doing to my car and why. I know a lot more about my car as a result of him coming to work on it. My Infiniti was a tall order: Lucas arrived at 11AM and stayed until about 5:30PM to finish. Upon completing the prescribed work, he showed me why a certain (previously insurmountable) issue was occurring, and asked to replace one final part. I said yes, after which Lucas made arrangements to go pick up the necessary part and return (he didn't leave until approximately 8PM). Then, the next day, Lucas contacted me again to let me know that a more updated of the part existed. He asked if we could schedule a time for him to come back and replace the part (ignition coil) one more time. Lucas goes the extra mile.
2001 INFINITI I30 - CAR RADIATOR REPLACEMENT
Want Lucas's expert advice? Ask your question now. Its free!
192 reviews
Rocco
17 years of experience
Second time Rocco serviced my car and as usual very pleased. Would highly recommend him.
2008 INFINITI M35 - OIL CHANGE
Want Rocco's expert advice? Ask your question now. Its free!
110 reviews
Joel
16 years of experience
Joel showed up early and completed the work in less time than I thought it would take. He is very knowledgable, courteous, and polite. Thanks Joel!
2006 INFINITI FX35 - FUEL PUMP REPLACEMENT
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59 reviews
Steven
16 years of experience
Excellent
2002 INFINITI QX4 - OXYGEN SENSOR REPLACEMENT (REAR/LOWER/DOWNSTREAM)
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Get an instant quote for your car
Our mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
Get a quote
CarServiceYourMechanic PriceShop/Dealer Price
2012 Infiniti M56V8-5.6LService typeIgnition Coil ReplacementYourMechanic Price$238.86Shop/Dealer Price$312.81 - $431.75
2011 Infiniti M56V8-5.6LService typeIgnition Coil ReplacementYourMechanic Price$236.77Shop/Dealer Price$310.42 - $427.96
2013 Infiniti M56V8-5.6LService typeIgnition Coil ReplacementYourMechanic Price$236.77Shop/Dealer Price$310.27 - $427.71
Show example Infiniti M56 Ignition Coil Replacement prices

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